Calling an EJB throws an UNKNOWN exception

Hi EJB experts!
I`m trying to call an EJB on OAS from Java application running within a JDeveloper. After several calls of remote method the application invokes the remote method again but exception
java.rmi.UnexpectedException: CORBA: org.omg.CORBA.UNKNOWN: get a timeout exception; nested exception is:
org.omg.CORBA.UNKNOWN: get a timeout
is thown.
class Context {
public java.sql.Connection conn;
public EJBRemote logger;
Reference to a remote EJB is stored in class Context. Instance of Context is shared among three other objects. Strange thing is that whether the exception is thrown or not depends on the number of method calls on objects accessing the Context. In any case remote method completes successfuly. Do you have an idea what to do with this exception?
Thanks for any advice. David Mrva

http://www.jboss.org/online-manual/HTML/ch11s21.html

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    userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeAppDomain.Execute(Type
    userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)    
    at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessProxyForShim.ExecuteIntern... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.38* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe8j Medium   ...al(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)    
    at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessProxy.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)    
    at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]& outArgs)     at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)   
    Exception rethrown at [0]:      at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnM... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.38* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe8j Medium   ...essage(IMessage reqMsg, IMessage retMsg)     at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcess.ExecuteDelegate.EndInvoke(IAsyncResult
    result)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcess.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, SPUserToken userToken, String currentAffinity, SPUserCodeExecutionContext
    executionContext) a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41  SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium    -  - An unknown exception occurred while executing a sandboxed code solution request in the worker process.\r\n|0 - Monitored process "ipc://25989203-dc18-4882-8d49-1640047f95e9:7000" has encountered a Pipeline Termination
    exception while executing user code. - Inner Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.Remoting.RemotingException: An attempt to connect to the remote activator
    failed with exception 'System.Runtime.Remoting.RemotingException: Cannot resolve 'channel' template reference: 'http client'.     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ReportUnableToResolveTemplateReferenceError(ConfigNode
    node, String referenceName, RemotingXmlConfigFileData configData)     at... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ... System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessChannelsChannelNode(ConfigNode node, RemotingXmlConfigFileData configData, Boolean isTemplate)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessChannelsNode(ConfigNode
    node, RemotingXmlConfigFileData configData)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessApplicationNode(ConfigNode node, RemotingXmlConfigFileData configData)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ParseConfigNode(ConfigNode
    rootNode)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ParseDefaultConfiguration()     at System.Runtime.Remoting.RemotingConfigHandler.LoadMachineConfigIfNecessary()    
    at System.Runtime.Remoting.RemotingConfigHandler... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ....FindDelayLoadChannelForCreateMessageSink(String url, Object data, String& objectURI)     at System.Runtime.Remoting.RemotingServices.CreateChannelSink(String url, Object data, IMessageSink&
    chnlSink)     at System.Runtime.Remoting.RemotingServices.Unmarshal(Type classToProxy, String url, Object data)     at System.Runtime.Remoting.Activation.LocalActivator.DoRemoteActivation(IConstructionCallMessage ctorMsg)'.    
    at System.Runtime.Remoting.Activation.LocalActivator.DoRemoteActivation(IConstructionCallMessage ctorMsg)     at System.Runtime.Remoting.Activation.LocalActivator.Activate(IConstructionCallMessage ctorMsg)     at System.Runtime.Remoting.Messaging.ClientContextTerminatorSink.SyncProcessMessage(IMessage
    reqMsg)     at System.Runtime.Remoting.Activation.ActivationServices.Activate(... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ...RemotingProxy remProxy, IConstructionCallMessage ctorMsg)     at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(IMessage reqMsg)     at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&
    msgData, Int32 type)     at Microsoft.SharePoint.SPSite_SubsetProxy..ctor()     --- End of inner exception stack trace ---    Server stack trace:      at System.RuntimeTypeHandle.CreateInstance(RuntimeType
    type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)     at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean
    fillCache, StackCrawlMark& stackMark)     at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackC... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ...rawlMark& stackMark)     at System.Activator.CreateInstance(Type type, Boolean nonPublic)     at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder,
    Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark)     at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)    
    at System.Activator.CreateInstance(Type type, Object[] args, Object[] activationAttributes)     at Microsoft.SharePoint.SPSite.__CreateInstance_SPSite(Boolean forStaticMethod, Object[] constructorParameters)     at Microsoft.SharePoint.SPSite.RegisterCallContextUserCodeToken__Inner(Byte[]
    userCodeToken)     at Microsoft.SharePoint.SPSite.RegisterCallContextUserCodeT... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ...oken(Byte[] userCodeToken)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.SetBinaryTokens(Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext
    executionContext)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken,
    SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup,
    Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExec... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ...utionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeAppDomain.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup
    userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessProxyForShim.ExecuteInternal(Type
    userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessProxy.Execute(Type
    userCodeWrapperType, SPUserCodeCachedAssem... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ...blyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)     at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr
    md, Object[] args, Object server, Object[]& outArgs)     at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)    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.SharePoint.UserCode.SPUserCodeWorkerProcess.ExecuteDelegate.EndInvoke(IAsyncResult
    result)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcess.Execute(Type use... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.41* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag002 Medium   ...rCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, SPUserToken userToken, String currentAffinity, SPUserCodeExecutionContext executionContext) a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42  SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium    -  - An unknown exception occurred while executing a sandboxed code solution request in the worker process.\r\n|0 - Request executing userSolution Id "081b51e0-ad76-45d4-a38a-dd78d5aa9f9e" for site collection id "
    e116e750-38ff-4c55-aca4-acd04a69aff6" has encountered an unhandled exception while executing user code. - Inner Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.Remoting.RemotingException:
    An attempt to connect to the remote activator failed with exception 'System.Runtime.Remoting.RemotingException: Cannot resolve 'channel' template reference: 'http client'.     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ReportUnableToResolveTemplateReferenceError(ConfigNode
    node, String r... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...eferenceName, RemotingXmlConfigFileData configData)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessChannelsChannelNode(ConfigNode node, RemotingXmlConfigFileData configData,
    Boolean isTemplate)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessChannelsNode(ConfigNode node, RemotingXmlConfigFileData configData)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessApplicationNode(ConfigNode
    node, RemotingXmlConfigFileData configData)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ParseConfigNode(ConfigNode rootNode)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ParseDefaultConfiguration()    
    at System.Runtime.Remoting.RemotingConfigHandler.LoadMachineConfigIfNecess... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...ary()     at System.Runtime.Remoting.RemotingConfigHandler.FindDelayLoadChannelForCreateMessageSink(String url, Object data, String& objectURI)     at System.Runtime.Remoting.RemotingServices.CreateChannelSink(String
    url, Object data, IMessageSink& chnlSink)     at System.Runtime.Remoting.RemotingServices.Unmarshal(Type classToProxy, String url, Object data)     at System.Runtime.Remoting.Activation.LocalActivator.DoRemoteActivation(IConstructionCallMessage
    ctorMsg)'.     at System.Runtime.Remoting.Activation.LocalActivator.DoRemoteActivation(IConstructionCallMessage ctorMsg)     at System.Runtime.Remoting.Activation.LocalActivator.Activate(IConstructionCallMessage ctorMsg)    
    at System.Runtime.Remoting.Messaging.ClientContextTerminatorSink.SyncProcessMessage(IMessage reqMsg)     at Syste... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...m.Runtime.Remoting.Activation.ActivationServices.Activate(RemotingProxy remProxy, IConstructionCallMessage ctorMsg)     at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(IMessage reqMsg)    
    at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)     at Microsoft.SharePoint.SPSite_SubsetProxy..ctor()     --- End of inner exception stack trace ---   
    Server stack trace:      at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)    
    at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)     at System.RuntimeType.CreateInstanceDefaultCtor(Boolean pu... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...blicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)     at System.Activator.CreateInstance(Type type, Boolean nonPublic)     at System.RuntimeType.CreateInstanceImpl(BindingFlags
    bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark)     at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo
    culture, Object[] activationAttributes)     at System.Activator.CreateInstance(Type type, Object[] args, Object[] activationAttributes)     at Microsoft.SharePoint.SPSite.__CreateInstance_SPSite(Boolean forStaticMethod,
    Object[] constructorParameters)     at Microsoft.SharePoint.SPSite.RegisterCallContextUserCodeToken__Inner(Byte[] userCodeToken)     a... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...t Microsoft.SharePoint.SPSite.RegisterCallContextUserCodeToken(Byte[] userCodeToken)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.SetBinaryTokens(Byte[] binaryUserCodeToken,
    Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid
    siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.Execute(Type
    userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binar... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...yUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeAppDomain.Execute(Type
    userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)    
    at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessProxyForShim.ExecuteInternal(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext
    executionContext)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessPro... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...xy.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)    
    at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]& outArgs)     at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)   
    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.SharePoint.UserCode.SPUserCodeWorkerProcess.ExecuteDelegate.EndInvoke(IAsyncResult result)     at Microsoft.Sh... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.42* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ag005 Medium   ...arePoint.UserCode.SPUserCodeWorkerProcess.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, SPUserToken userToken, String currentAffinity, SPUserCodeExecutionContext
    executionContext) a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82  SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium    -  - An unknown exception occurred while executing a sandboxed code solution request in the worker process.\r\n|0 - Worker Process Pipeline unrecoverable failure: FullName = "Microsoft.SharePoint.UserCode.SPUserCodeWebPartWrapper",
    userAssemblyGroup = ".UserCodeAssemblyGroupId = ", GroupId = "081B51E0AD7645D4A38ADD78D5AA9F9E-uNL2pPMjZ3/km03rur+D1AZ1Qe8Fs6BnPIuoCN/pgcU="", .RootDirectoryPath = "C:\ProgramData\Microsoft\SharePoint\UCCache\8CFCA978EB52EC0\081B51E0AD7645D4A38ADD78D5AA9F9E%2DuNL2pPMjZ3%2547km03rur%2BD1AZ1Qe8Fs6BnPIuoCN%2547pgcU%3D-1"",
    siteCollectionId = e116e750-38ff-4c55-aca4-acd04a69aff6 - Inner Exception: Microsoft.SharePoint.UserCode.SPUserCodeExecutionPipelineTerminallyFailedException: An unknown exception occurred while executing a sandboxed code solution request in the... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ... worker process.\r\n|0 ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.Remoting.RemotingException: An attempt to connect to the remote
    activator failed with exception 'System.Runtime.Remoting.RemotingException: Cannot resolve 'channel' template reference: 'http client'.     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ReportUnableToResolveTemplateReferenceError(ConfigNode
    node, String referenceName, RemotingXmlConfigFileData configData)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessChannelsChannelNode(ConfigNode node, RemotingXmlConfigFileData configData, Boolean isTemplate)    
    at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessChannelsN... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ...ode(ConfigNode node, RemotingXmlConfigFileData configData)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ProcessApplicationNode(ConfigNode node, RemotingXmlConfigFileData configData)    
    at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ParseConfigNode(ConfigNode rootNode)     at System.Runtime.Remoting.Activation.RemotingXmlConfigFileParser.ParseDefaultConfiguration()     at System.Runtime.Remoting.RemotingConfigHandler.LoadMachineConfigIfNecessary()    
    at System.Runtime.Remoting.RemotingConfigHandler.FindDelayLoadChannelForCreateMessageSink(String url, Object data, String& objectURI)     at System.Runtime.Remoting.RemotingServices.CreateChannelSink(String url, Object data, IMessageSink&
    chnlSink)     at System.Runtime.Remoting.RemotingServices.Unm... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ...arshal(Type classToProxy, String url, Object data)     at System.Runtime.Remoting.Activation.LocalActivator.DoRemoteActivation(IConstructionCallMessage ctorMsg)'.     at System.Runtime.Remoting.Activation.LocalActivator.DoRemoteActivation(IConstructionCallMessage
    ctorMsg)     at System.Runtime.Remoting.Activation.LocalActivator.Activate(IConstructionCallMessage ctorMsg)     at System.Runtime.Remoting.Messaging.ClientContextTerminatorSink.SyncProcessMessage(IMessage reqMsg)    
    at System.Runtime.Remoting.Activation.ActivationServices.Activate(RemotingProxy remProxy, IConstructionCallMessage ctorMsg)     at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(IMessage reqMsg)     at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData&
    msgData, Int32 type)     at Microsoft.Sha... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ...rePoint.SPSite_SubsetProxy..ctor()     --- End of inner exception stack trace ---    Server stack trace:      at System.RuntimeTypeHandle.CreateInstance(RuntimeType
    type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)     at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean
    fillCache, StackCrawlMark& stackMark)     at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)     at System.Activator.CreateInstance(Type
    type, Boolean nonPublic)     at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCraw... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ...lMark& stackMark)     at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)    
    at System.Activator.CreateInstance(Type type, Object[] args, Object[] activationAttributes)     at Microsoft.SharePoint.SPSite.__CreateInstance_SPSite(Boolean forStaticMethod, Object[] constructorParameters)     at Microsoft.SharePoint.SPSite.RegisterCallContextUserCodeToken__Inner(Byte[]
    userCodeToken)     at Microsoft.SharePoint.SPSite.RegisterCallContextUserCodeToken(Byte[] userCodeToken)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.SetBinaryTokens(Byte[] binaryUserCodeToken,
    Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)     at Microsoft.SharePoint.UserC... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ...ode.SPUserCodeApplicationHostAppDomainRef.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext
    executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeApplicationHostAppDomainRef.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId,
    Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeAppDomain.Execute(Type userCodeWrapperType,
    SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] bin... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ...aryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext, Boolean shouldUsageLog, Int32 currentProcessId)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessProxyForShim.ExecuteInternal(Type
    userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcessProxy.Execute(Type
    userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, Byte[] binaryUserCodeToken, Byte[] proxyOperationToken, SPUserCodeExecutionContext executionContext)     at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr
    md, Object[]... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ... args, Object server, Object[]& outArgs)     at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)    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.SharePoint.UserCode.SPUserCodeWorkerProcess.ExecuteDelegate.EndInvoke(IAsyncResult
    result)     at Microsoft.SharePoint.UserCode.SPUserCodeWorkerProcess.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, SPUserToken userToken, String currentAffinity, SPUserCodeExecutionContext
    executionContext)     --- End of inner exception stack trace ---     at Microsoft.ShareP... a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.82* SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     fe7p Medium   ...oint.UserCode.SPUserCodeWorkerProcess.Execute(Type userCodeWrapperType, SPUserCodeCachedAssemblyGroup userAssemblyGroup, Guid siteCollectionId, SPUserToken userToken, String currentAffinity, SPUserCodeExecutionContext
    executionContext)     at Microsoft.SharePoint.UserCode.SPUserCodeExecutionHost.Execute(Type userCodeWrapperType, Guid siteCollectionId, SPUserToken userToken, String affinity, SPUserCodeExecutionContext executionContext) a8f2f89b-6d07-b067-8f51-1d9df413faf0
    01/27/2013 12:11:38.85  SPUCHostService.exe (0x0E60)             0x0A34 SharePoint Foundation          Sandboxed Code Service       
     ebh5 Monitorable  - Stopping and restarting worker processes because of an unhandled exception. Shim PID: "0x0FD8" Proxy PID: "0x0FC8" 
    01/27/2013 12:11:38.96  SPUCHostService.exe (0x0E60)             0x1164 SharePoint Foundation          Sandboxed Code Service       
     aeqw6 Monitorable  - Stopping shim process. Shim process name: "SPUCWorkerProcess" Shim PID: "0x0FD8" Shim service url: "ipc://25989203-dc18-4882-8d49-1640047f95e9:7000" 
    01/27/2013 12:11:39.07  SPUCHostService.exe (0x0E60)             0x1164 SharePoint Foundation          Sandboxed Code Service       
     aeqw7 Monitorable  - Stopping proxy process. Proxy process name: "SPUCWorkerProcessProxy" Proxy PID: "0x0FC8" Proxy service url: "ipc://305d6f3b-f836-4adf-9fcf-ad4687d27fc3:7000" 
    01/27/2013 12:11:39.18  SPUCWorkerProcessProxy.exe (0x0FC8)      0x0FCC SharePoint Foundation          Unified Logging Service        8wsw High   
     Now terminating ULS (SPUCWorkerProcessProxy.exe, onetnative.dll) 
    01/27/2013 12:11:39.27  SPUCHostService.exe (0x0E60)             0x14B8 SharePoint Foundation          General                      
     84yj Medium   Performance Counter OS (pdh) call failed with error code PDH_INVALID_DATA. 
    01/27/2013 12:11:39.27  SPUCHostService.exe (0x0E60)             0x14B8 SharePoint Foundation          Sandboxed Code Service       
     d1ul Unexpected  - Monitoring could not find the perf counters associated with the shim user code process, PID="0", disable monitoring. 
    01/27/2013 12:11:45.82  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Unified Logging Service        b8fx High   
     ULS Init Completed (SPUCWorkerProcessProxy.exe, onetnative.dll) 
    01/27/2013 12:11:46.44  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Topology                     
     2myf Medium   Disabling the configuration filesystem and memory caches. 
    01/27/2013 12:11:46.50  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Upgrade                      
     ajyw6 High     01/27/2013 12:11:46.50 SPUCWorkerProcessProxy (0x1604) 0x1780 SharePoint Foundation Upgrade SPHierarchyManager ajyw6 DEBUG [SPTree Value=SPConfigurationDatabase] added to dependency cache by lookup 00000000-0000-0000-0000-000000000000 
    01/27/2013 12:11:46.63  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Upgrade                      
     ajyx0 High     01/27/2013 12:11:46.63 SPUCWorkerProcessProxy (0x1604) 0x1780 SharePoint Foundation Upgrade SPDelegateManager ajyx0 DEBUG Waiting for mutex to initialize type dictionary 00000000-0000-0000-0000-000000000000 
    01/27/2013 12:11:52.30  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Database                     
     8u1d High     Flushing connection pool 'Data Source=SPDB;Initial Catalog=SharePoint_Config;Integrated Security=True;Enlist=False;Pooling=True;Min Pool Size=0;Max Pool Size=100;Connect Timeout=15' 
    01/27/2013 12:11:52.30  SPUCWorkerProcessProxy.exe (0x1604)      0x0E04 SharePoint Foundation          Database                     
     8u1d High     Flushing connection pool 'Data Source=SPDB;Initial Catalog=SharePoint_Config;Integrated Security=True;Enlist=False;Pooling=True;Min Pool Size=0;Max Pool Size=100;Connect Timeout=15' 
    01/27/2013 12:11:52.30  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          General                      
     avew High     An application domain named SPUCWorkerProcessProxy.exe has just been loaded. 
    01/27/2013 12:11:52.32  SPUCWorkerProcessProxy.exe (0x1604)      0x0E04 SharePoint Foundation          Topology                     
     2myf Medium   Enabling the configuration filesystem and memory caches. 
    01/27/2013 12:11:52.32  SPUCWorkerProcessProxy.exe (0x1604)      0x0E04 SharePoint Foundation          Topology                     
     aik7t High     Set the certificate validation policy for this app domain to the SharePoint certificate validator. 
    01/27/2013 12:11:52.33  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Topology                     
     2q0j Medium   The configuration subsystem was initialized by multiple threads.  One of the caches will be disposed. 
    01/27/2013 12:11:52.33  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Topology                     
     2q0k Medium   Disposing of an SPConfigurationDatabase reference from:  
    01/27/2013 12:11:52.33  SPUCWorkerProcessProxy.exe (0x1604)      0x1780 SharePoint Foundation          Monitoring                   
     b4ly High     Leaving Monitored Scope (Initializing Admin OM). Execution Time=6138.56866568698 
    01/27/2013 12:11:52.33  SPUCWorkerProcessProxy.exe (0x1604)      0x0E04 SharePoint Foundation          Monitoring                   
     b4ly High     Leaving Monitored Scope (Initializing Admin OM). Execution Time=5221.37511562071 
    01/27/2013 12:11:52.71  SPUCWorkerProcessProxy.exe (0x1604)      0x1230 SharePoint Foundation          General                      
     00000 Medium   Microsoft SharePoint Foundation log file                                                                                                                                                                                                                                                                                                                                                                   
    01/27/2013 12:11:52.71  SPUCWorkerProcessProxy.exe (0x1604)      0x1230 SharePoint Foundation          General                      
     94vw Medium   Primary Domain = DEV15, Computer Name = SPDEVBOX 
    01/27/2013 12:11:52.82  SPUCWorkerProcessProxy.exe (0x1604)      0x1230 SharePoint Foundation          Object Cache                 
     9j6t High     SPXmlDocCache cache parameters are: high water mark 10485760 bytes, low water mark 5242880 bytes, interval 180000 ms 

  • Error in upgrading SharePoint Server 2013 with SP1 : "Task upgradebootstrap has failed with an unknown exception"

    I has successfully setup new Dev ENV of SarePoint server 2013 in VMware with 2 servers running om OS: win server 2008 R2 Ent SP1, AD + Central Admin Application Server.
    After that the configuration of SharePoint App and WorkFlow Manager completed as well and many projects run perfectly,
    And after installing SP1 of SharePoint server 2013, and running the SharePiont Configuration wizard to complete the configuration of the SharePoint Farm the Upgrade has fialed on Step2 with the following Error from the Log file:
    Task upgradebootstrap has failed with an unknown exception 
    01/04/2015 00:43:30  11  ERR                  Exception: Microsoft.SharePoint.Upgrade.SPUpgradeException: Exception of type 'Microsoft.SharePoint.Upgrade.SPUpgradeException' was thrown.
       at Microsoft.SharePoint.Upgrade.SPManager.BootStrap(Guid sessionId, SPUpgradeOperationFlags flags)
       at Microsoft.SharePoint.PostSetupConfiguration.UpgradeBootstrapTask.Run()
       at Microsoft.SharePoint.PostSetupConfiguration.TaskThread.ExecuteTask()
    Also after that I was not able to create like before a new site , and this creating end with error message as follows:
    Failed to call GetTypes on assembly Microsoft.Office.TranslationServices, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c. Method not found: 'Microsoft.Office.Web.Common.ProcessImageInfo.
    Is there any solution to my problem with SharePoint server 2013 SP1, this supposed not to cause any bug in stable environment.
    Basel Badr ,SharePoint Specialist ,MCAD ,MCTS.

    Hi Daniel,
    Thanks for replying on my post, actually I have downloaded the  kb2880552 sp1 for
    enterprise edition from the link 
    https://support.microsoft.com/kb/2880552 , and this has been experienced with me before since I had my Standalone Dev machine first installation, and the issue only occurred when the SP1 installed though.
    Anyway, I've tried to install CU Nov 2013 http://support.microsoft.com/kb/2889944
    but still facing the same issue,
    I run the Setup of SP2013 from the CD to repair the SharePoint and error message appears,
    The issue related to "Microsoft.Office.TranslationServices" is also related to running
    the repair successfully which leads to the same error message above.
    The Version of SP 2013 from the program file is : 15.0.4571.1502
    The Update snapshot is as below:
    Is there a problem with my sharepoint media file?
    Basel Badr ,SharePoint Specialist ,MCAD ,MCTS.

  • Invalidate() throws null pointer exception

    Hi experts,
    Any idea why calling invalidate will throw a null pointer exception.
    if (detailNode != null)
         detailNode.invalidate();
    This is the stack trace:
    java.lang.NullPointerException
         at com.sap.tc.webdynpro.progmodel.controller.MessageManager.setAttributeValidbyContext(MessageManager.java:656)
         at com.sap.tc.webdynpro.progmodel.context.NodeElement.clearPendingInput(NodeElement.java:297)
         at com.sap.tc.webdynpro.progmodel.context.NodeElement.exit(NodeElement.java:132)
         at com.sap.tc.webdynpro.progmodel.context.Node$ElementList.exit(Node.java:1859)
         at com.sap.tc.webdynpro.progmodel.context.Node.clearElements(Node.java:1560)
         at com.sap.tc.webdynpro.progmodel.context.Node.onNodeInvalidating(Node.java:1447)
         at com.sap.tc.webdynpro.progmodel.context.Node.fireNodeInvalidating(Node.java:1410)
         at com.sap.tc.webdynpro.progmodel.context.Node.clearElements(Node.java:1556)
         at com.sap.tc.webdynpro.progmodel.context.Node.onNodeInvalidating(Node.java:1447)
         at com.sap.tc.webdynpro.progmodel.context.Node.fireNodeInvalidating(Node.java:1410)
         at com.sap.tc.webdynpro.progmodel.context.Node.clearElements(Node.java:1556)
         at com.sap.tc.webdynpro.progmodel.context.Node.invalidate(Node.java:583)
         at com.sap.tc.webdynpro.progmodel.context.Node.invalidate(Node.java:580)
         at com.diagonal.mmm.component.MenuDetailsController.save(MenuDetailsController.java:281)
         at com.diagonal.mmm.component.wdp.InternalMenuDetailsController.save(InternalMenuDetailsController.java:1250)
         at com.diagonal.mmm.view.MenuDetailsView.onActionSave(MenuDetailsView.java:965)
         at com.diagonal.mmm.view.wdp.InternalMenuDetailsView.wdInvokeEventHandler(InternalMenuDetailsView.java:999)
         at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87)
         at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:67)
         at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doHandleActionEvent(WindowPhaseModel.java:420)
         at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:132)
         at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:335)
         at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
         at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:313)
         at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:713)
         at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:666)
         at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250)
         at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149)
         at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
         at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:53)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
         at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
         at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:387)
         at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:365)
         at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:944)
         at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:266)
         at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
         at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
         at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
         at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
         at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
         at java.security.AccessController.doPrivileged(AccessController.java:215)
         at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
         at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)

    Hello,
    we are having the save Exception.
    We are not working with modelNodes  only with valueNodes.
    We can reproduce the Exception, when doing the same as Daniel
    Daniel  Lam wrote:
    I get the exception after doing the following:
    1. The data from detailNode are displayed in a table.
    2. I changed the value of one the field to an invalid text and attempt to save the application. I got a validation error.
    3. I changed back to the original value and save again and i got the exception.
    How did you solve it?
    What are we doing wrong?`
    Can somebody help me please?

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