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0
Fixed

Connector failing when DefaultSiteID attribute is included in user connector

Matthew Woolnough 12 years ago in UNIFYBroker/Learnology Life • updated by anonymous 9 years ago • 9

20130402,06:47:39,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Method 'Unify.Framework.GuidValue GetValueGuidValue(Unify.Framework.GroupedNameValueCollectionKey)' is not defined for type 'Unify.Repository.Entity'. Duration: 00:00:10.8088785
Error details:
System.ArgumentException: Method 'Unify.Framework.GuidValue GetValueGuidValue(Unify.Framework.GroupedNameValueCollectionKey)' is not defined for type 'Unify.Repository.Entity'
at System.Linq.Expressions.Expression.ValidateCallInstanceType(Type instanceType, MethodInfo method)
at System.Linq.Expressions.Expression.ValidateCallArgs(Expression instance, MethodInfo method, ReadOnlyCollection`1& arguments)
at System.Linq.Expressions.Expression.Call(Expression instance, MethodInfo method, IEnumerable`1 arguments)
at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToListTSource(IEnumerable`1 source)
at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToListTSource(IEnumerable`1 source)
at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
at System.Linq.Enumerable.ToDictionaryTSource,TKey,TElement(IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
at System.Linq.Enumerable.ToDictionaryTSource,TKey(IEnumerable`1 source, Func`2 keySelector)
at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__12.MoveNext()
at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
at Unify.Framework.Visitor.VisitEvaluateOnThreadPoolT(IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
at Unify.Framework.MutexJobDecorator.Run()
at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal


Unify.Repository.Entity.Sql.dll
Adam van Vliet 12 years ago

I am resolving as I have uploaded v3.0.0.2 to hopefully fix this issue. Please reopen if the same error persists.

Matthew Woolnough 12 years ago

New Error:

20130404,01:55:21,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Exception of type 'Unify.Framework.GroupedNameValueCollectionMissingFieldException' was thrown.. Duration: 00:00:10.2455106
Error details:
Unify.Framework.GroupedNameValueCollectionMissingFieldException: Exception of type 'Unify.Framework.GroupedNameValueCollectionMissingFieldException' was thrown.
   at Unify.Framework.EntityBase`3.GetValue[TValue](TKey key)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__12.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
Matthew Woolnough 12 years ago

cleared connector as discussed and reimported. Still broken:

20130404,02:17:48,Adapter clear started.,Adapter,Information,Adapter 365e6a23-2e27-485f-a6e5-52ccd3347634 clear started.,Normal
20130404,02:26:24,Adapter clear completed.,Adapter,Information,Adapter 365e6a23-2e27-485f-a6e5-52ccd3347634 clear completed in duration 00:08:36.4065480.,Normal
20130404,02:31:59,Logging Engine,Logging Engine,Information,Log file started.,Minimal
20130404,02:31:59,Change detection engine import all items started.,Change detection engine,Information,Change detection engine import all items for connector Learnology Life User Connector started.,Normal
20130404,02:31:59,Request to get all entities from connector.,Connector,Information,Request to get all entities from connector Learnology Life User Connector.,Normal
20130404,02:32:12,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Exception of type 'Unify.Framework.GroupedNameValueCollectionMissingFieldException' was thrown.. Duration: 00:00:12.8129700
Error details:
Unify.Framework.GroupedNameValueCollectionMissingFieldException: Exception of type 'Unify.Framework.GroupedNameValueCollectionMissingFieldException' was thrown.
   at Unify.Framework.EntityBase`3.GetValue[TValue](TKey key)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__12.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()",Normal
20130404,02:32:12,Change detection engine import all items failed.,Change detection engine,Warning,"Change detection engine import all items for connector Learnology Life User Connector failed with reason Exception of type 'Unify.Framework.GroupedNameValueCollectionMissingFieldException' was thrown.. Duration: 00:00:12.9493300
Error details:
Unify.Framework.GroupedNameValueCollectionMissingFieldException: Exception of type 'Unify.Framework.GroupedNameValueCollectionMissingFieldException' was thrown.
   at Unify.Framework.EntityBase`3.GetValue[TValue](TKey key)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__12.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
Matthew Woolnough 12 years ago

new error:

20130404,05:06:10,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:07.8098702
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:06:10,Change detection engine import all items failed.,Change detection engine,Warning,"Change detection engine import all items for connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:07.9446410
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
Adam van Vliet 12 years ago

Attached patch that comes from v4.0 (IDB-137).

Matthew Woolnough 12 years ago

Still an issue:

20130404,05:52:10,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4182920
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:52:10,Change detection engine import all items failed.,Change detection engine,Warning,"Change detection engine import all items for connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4407538
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:52:10,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4182920
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:52:10,Change detection engine import all items failed.,Change detection engine,Warning,"Change detection engine import all items for connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4407538
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:52:10,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4182920
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:52:10,Change detection engine import all items failed.,Change detection engine,Warning,"Change detection engine import all items for connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4407538
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:52:10,Get all entities from connector failed.,Connector,Warning,"Get all entities from connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4182920
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
20130404,05:52:10,Change detection engine import all items failed.,Change detection engine,Warning,"Change detection engine import all items for connector Learnology Life User Connector failed with reason Sequence contains no elements. Duration: 00:00:08.4407538
Error details:
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitValueOrDefaultMethodExpression(MethodCallExpression methodCallExpression)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitBinary(BinaryExpression b)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitBinary(BinaryExpression b)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitLambda(LambdaExpression lambda)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitUnary(UnaryExpression u)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.ExpressionExpressionVisitorBase.<VisitExpressionList>b__1(Expression originalExpression)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Unify.Framework.ExpressionExpressionVisitorBase.VisitExpressionList(ReadOnlyCollection`1 original)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.VisitMethodCall(MethodCallExpression m)
   at Unify.Repository.EntityExpressionQueryVisitor`3.VisitMethodCall(MethodCallExpression m)
   at Unify.Framework.ExpressionVisitorBase`11.Visit(Expression exp)
   at Unify.Framework.LinqContextConversionExpressionVisitorBase`5.ConvertExpression(Expression partitionExpression)
   at Unify.Framework.LinqQueryConversionProvider`5.GetOrderedQuery(Expression businessExpression, IQueryable`1 sourceQueryable, TContext sourceContext)
   at Unify.Framework.LinqWhereQuery`5.EvaluateQuery(TContext context)
   at Unify.Framework.LinqWhereQuery`5.GetEnumerator()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at Unify.Connectors.LifeUserConnector.<GetAllEntities>d__14.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnFirst>d__1c`1.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at Unify.Framework.ActionOnExceptionEnumerator`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ActionOnLast>d__16`1.MoveNext()
   at Unify.Framework.EnumerableExtensions.<ProduceAutoPages>d__9`1.MoveNext()
   at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
   at Unify.Framework.Visitor.VisitEvaluateOnThreadPool[T](IEnumerable`1 visitCollection, Action`2 visitor, Int32 maxThreads)
   at Unify.Framework.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
   at Unify.Framework.ChangeDetectionImportAllJob.ImportAllChangeProcess()
   at Unify.Framework.ChangeDetectionImportAllJob.RunBase()
   at Unify.Framework.MutexJobDecorator.Run()
   at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
   at Unify.Framework.AsynchronousJobExecutor.PerformJobCallback(Object state)",Normal
Matthew Woolnough 12 years ago

removed Alternate Streams to "unblock" using streams. Unify.Repository.Entity.Sql.dll did not have any restrictions. Other files has some streams, removed and "Sequence contains no elements" error no longer being seen.

C:\Users\Matthew.Woolnough\Applications\SysInternals>streams.exe -d -s "c:\Program Files\UNIFY Solutions\Services\*.*" 
 
Streams v1.56 - Enumerate alternate NTFS data streams 
Copyright (C) 1999-2007 Mark Russinovich 
Sysinternals - www.sysinternals.com 
 
c:\Program Files\UNIFY Solutions\Services\Unify.Communicator.CSV.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Communicator.CSV.XML: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connector.CSV.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.Communicator 
.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.Communicator 
.XML: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.Communicator 
Interfaces.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.Communicator 
Interfaces.XML: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.Connector.dl 
l: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.Connector.XM 
L: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.ConnectorInt 
erfaces.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.EMinerva.ConnectorInt 
erfaces.XML: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Connectors.Talent2HRConnector.XM 
L: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Framework.AdapterEntityTransform 
ation.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Framework.ChangeDetection.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Framework.DatabaseWorker.Interfa 
ces.XML: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Framework.DatabaseWorker.XML: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Framework.Transaction.dll: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Framework.Worker.Interfaces.XML: 
 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Framework.Worker.XML: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Service.Connect.Debug.config: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Service.Connect.Debug.exe: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Service.Connect.exe: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Service.Connect.exe.Logging.conf 
ig: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Service.Connect32.exe: 
   Deleted :Zone.Identifier:$DATA 
c:\Program Files\UNIFY Solutions\Services\Unify.Service.Connect32.exe.config: 
   Deleted :Zone.Identifier:$DATA
Adam van Vliet 12 years ago

Resolved, as discussed this morning this is no longer occurring.

Shane Day (Chief Technology Officer) 11 years ago

This unclosed issue has no priority. Please specify a priority.

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