Enterprise Portal Web Controls Development in AX 2012 R3 CU8

by | Updated August 15, 2016 | Development, Dynamics AX

This week, I have been working on modifying Enterprise Portal Web Controls in AX 2012 R3 CU8 for a customer modification. Part of this process was changing the structure of an underlying table prior to working on the the control.  After making the table change, I would go into Enterprise Portal, and attempt to view a page, and would get the following error message:

An unexpected error has occurred.

Exception of type ‘Microsoft.Dynamics.AX.Framework.Services.Metadata.Exceptions.MetadataItemException1[Microsoft.Dynamics.AX.Framework.Services.Metadata.Contracts.QueryDataSourceMetadata]' was thrown.

Microsoft.Dynamics.AX.Framework.Services.Client.InteractionServiceException

at Microsoft.Dynamics.AX.Framework.Services.Client.ServiceClientHelper.InvokeChannelOperation[TResult,TChannel](IServiceClient1 client, Func2 operationInvoker, Func2 exceptionWrapper)

at Microsoft.Dynamics.AX.Framework.Services.Client.InteractionService.InteractionServiceClient.Initialize(IInteractionArguments interactionArguments, IInteractionObjectIdentifier interactionObjectIdentifier)

at Microsoft.Dynamics.Framework.Portal.UI.WebControls.AxListPageContentArea.InitializeListPageContentArea()

at Microsoft.Dynamics.Framework.Portal.UI.WebControls.AxListPageContentArea.OnLoad(EventArgs e)

Exception of type ‘Microsoft.Dynamics.AX.Framework.Services.Metadata.Exceptions.MetadataItemException1[Microsoft.Dynamics.AX.Framework.Services.Metadata.Contracts.QueryDataSourceMetadata]' was thrown.

System.ServiceModel.FaultException1[System.ServiceModel.ExceptionDetail]
Server stack trace:

at System.ServiceModel.Channels.ServiceChannel.ThrowIfFaultUnderstood(Message reply, MessageFault fault, String action, MessageVersion version, FaultConverter faultConverter)

at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)

at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)

at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)

at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)
Exception rethrown at [0]:

at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)

at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)

at Microsoft.Dynamics.AX.Framework.Services.InteractionService.IInteractionService.Initialize(InteractionArguments interactionArguments, InteractionObjectIdentifier interactionObjectIdentifier)

at Microsoft.Dynamics.AX.Framework.Services.Client.ServiceClientHelper.InvokeChannelOperation[TResult,TChannel](IServiceClient1 client, Func2 operationInvoker, Func`2 exceptionWrapper)

 

After doing some digging, I found the control that was causing the error, and loaded it up in Visual Studio. Visual Studio stated that there was an undefined field in the Dataset used on the control. Looking in the AOT, the field is listed in the dataset, so I was a bit confused.

Doing some research, it appears that caching was the culprit.  I cleared out the Dictionary cache from inside the Development environment (Tools > Cashes > Refresh Dictionary) and redeployed my Enterprise Portal again, and the error was gone.

NOTE: Restarting the AOS would have accomplished the same, but for this case, it would have been overkill to restart the AOS when the cache clear would resolve the issue.

I just wanted to pass this one on to everyone so they are aware of what can be the cause of this issue when doing Enterprise Portal Development.

 

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