Handling SQL Exceptions In CLR Transaction

Sep 28, 2007

Hi there,

We are running into problems using CLR stored procedure in SQL Server 2005.
We are using a transaction scope (ambient transaction).
If an SQL exception with class 16 is thrown, and this exception is directly caught (and handled) then the transaction is somehow no longer valid.
Subsequent use of this transaction gives the message "The current transaction cannot be committed and cannot support operations that write to the log file. Rollback the transaction".

Is there a way to gracefully handle the SqlException and continue the transaction?

Regards,

Frans Z. and Rine le C.



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Hi all i am using Vs 2005 for Web application Development.
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My function is.
Public Function UpdateItemDetails(ByVal executemode As ExecuteMode, ByVal Remarks As String, ByVal userid As String, ByVal ItemDetails As ArrayList, ByVal rfsno As String, ByVal rfsstatus As String) As Integer
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''Updating TSMS_RFS Table.
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cmd.Connection = concmd.Parameters.Add("RFS_STATUS", SqlDbType.Int, 50).Value = rfsstatus
cmd.Parameters.Add("RFS_NO", SqlDbType.NVarChar, 10).Value = rfsnocmd.Parameters.Add("UPDATEDBY", SqlDbType.Int, 50).Value = userid
cmd.CommandType = CommandType.Text
cmd.CommandText = sql
cmd.ExecuteNonQuery()
''Inserting TSMS_ORDER_STATUS_HISTORY Table.
cmd.CommandText = "insert into " + tabPrefix + "ORDER_STATUS_HISTORY(RFS_NO,ORDER_STATUS_ID,UPDATEDBY)values(@RFS_NO1,@ORDER_STATUS_ID,@UPDATEDBY1)"cmd.Parameters.Add("RFS_NO1", SqlDbType.NVarChar, 50).Value = rfsno
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cmd.ExecuteNonQuery()
trans.Commit()Catch ex As Exception
_LastError = ex
trans.Rollback()
Finally
con.Close()
End Try
End Function
 
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cmd.ExecuteNonQuery(). This Statement.
Error is:  The variable name '@QUANTITY' has already been declared. Variable names must be unique within a query batch or stored procedure.
Please Help me.
 

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aspnet_wp!library!1e!05/26/2007-18:05:06:: i INFO: Catalog SQL Server Edition = Developer
aspnet_wp!library!1e!05/26/2007-18:05:07:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!1e!05/26/2007-18:05:07:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!1!05/26/2007-18:05:19:: Call to GetPermissionsAction(/).
aspnet_wp!library!1!05/26/2007-18:05:19:: Call to GetPropertiesAction(/, PathBased).
aspnet_wp!library!1!05/26/2007-18:05:20:: Call to GetSystemPermissionsAction().
aspnet_wp!library!1!05/26/2007-18:05:20:: Call to ListChildrenAction(/, False).
aspnet_wp!library!1!05/26/2007-18:05:20:: Call to GetSystemPropertiesAction().
aspnet_wp!library!1!05/26/2007-18:05:20:: Call to GetSystemPropertiesAction().
aspnet_wp!library!c!05/26/2007-18:05:29:: Call to GetPermissionsAction(/Reports).
aspnet_wp!library!c!05/26/2007-18:05:29:: Call to GetPropertiesAction(/Reports, PathBased).
aspnet_wp!library!c!05/26/2007-18:05:29:: Call to GetSystemPermissionsAction().
aspnet_wp!library!c!05/26/2007-18:05:29:: Call to ListChildrenAction(/Reports, False).
aspnet_wp!library!c!05/26/2007-18:05:29:: Call to GetSystemPropertiesAction().
aspnet_wp!library!c!05/26/2007-18:05:29:: Call to GetSystemPropertiesAction().
aspnet_wp!library!1!05/26/2007-18:05:32:: Call to GetPermissionsAction(/Reports/Balance).
aspnet_wp!library!1!05/26/2007-18:05:32:: Call to GetSystemPropertiesAction().
aspnet_wp!library!1!05/26/2007-18:05:32:: Call to GetPropertiesAction(/Reports/Balance, PathBased).
aspnet_wp!library!1!05/26/2007-18:05:33:: Call to GetSystemPermissionsAction().
aspnet_wp!library!1!05/26/2007-18:05:33:: Call to GetPropertiesAction(/Reports/Balance, PathBased).
aspnet_wp!library!1!05/26/2007-18:05:34:: Call to ListEventsAction().
aspnet_wp!library!1!05/26/2007-18:05:34:: Unhandled exception was caught: System.Web.HttpParseException: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'. ---> System.Exception: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'. ---> System.Exception: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'. ---> System.Web.HttpException: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'.
at System.Web.UI.TemplateParser.GetType(String typeName, Boolean ignoreCase, Boolean throwOnError)
at System.Web.UI.TemplateParser.ProcessInheritsAttribute(String baseTypeName, String codeFileBaseTypeName, String src, Assembly assembly)
at System.Web.UI.TemplateParser.PostProcessMainDirectiveAttributes(IDictionary parseData)
--- End of inner exception stack trace ---
at System.Web.UI.TemplateParser.ProcessException(Exception ex)
at System.Web.UI.TemplateParser.PostProcessMainDirectiveAttributes(IDictionary parseData)
at System.Web.UI.PageParser.PostProcessMainDirectiveAttributes(IDictionary parseData)
at System.Web.UI.TemplateParser.ProcessMainDirective(IDictionary mainDirective)
at System.Web.UI.TemplateControlParser.ProcessMainDirective(IDictionary mainDirective)
at System.Web.UI.PageParser.ProcessMainDirective(IDictionary mainDirective)
at System.Web.UI.TemplateParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.BaseTemplateParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.TemplateControlParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.PageParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.TemplateParser.ParseStringInternal(String text, Encoding fileEncoding)
--- End of inner exception stack trace ---
at System.Web.UI.TemplateParser.ProcessException(Exception ex)
at System.Web.UI.TemplateParser.ParseStringInternal(String text, Encoding fileEncoding)
at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding)
--- End of inner exception stack trace ---
at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding)
at System.Web.UI.TemplateParser.ParseFile(String physicalPath, VirtualPath virtualPath)
at System.Web.UI.TemplateParser.ParseInternal()
at System.Web.UI.TemplateParser.Parse()
at System.Web.Compilation.BaseTemplateBuildProvider.get_CodeCompilerType()
at System.Web.Compilation.BuildProvider.GetCompilerTypeFromBuildProvider(BuildProvider buildProvider)
at System.Web.Compilation.BuildProvidersCompiler.ProcessBuildProviders()
at System.Web.Compilation.BuildProvidersCompiler.PerformBuild()
at System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath)
at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
at System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)
at System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)
at System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig)
at System.Web.HttpApplication.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
aspnet_wp!library!1!05/26/2007-18:05:34:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.Web.HttpParseException: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'. ---> System.Exception: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'. ---> System.Exception: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'. ---> System.Web.HttpException: Could not load type 'Vantage.VantageILM.RSExtensionLibrary.Logon'.
at System.Web.UI.TemplateParser.GetType(String typeName, Boolean ignoreCase, Boolean throwOnError)
at System.Web.UI.TemplateParser.ProcessInheritsAttribute(String baseTypeName, String codeFileBaseTypeName, String src, Assembly assembly)
at System.Web.UI.TemplateParser.PostProcessMainDirectiveAttributes(IDictionary parseData)
--- End of inner exception stack trace ---
at System.Web.UI.TemplateParser.ProcessException(Exception ex)
at System.Web.UI.TemplateParser.PostProcessMainDirectiveAttributes(IDictionary parseData)
at System.Web.UI.PageParser.PostProcessMainDirectiveAttributes(IDictionary parseData)
at System.Web.UI.TemplateParser.ProcessMainDirective(IDictionary mainDirective)
at System.Web.UI.TemplateControlParser.ProcessMainDirective(IDictionary mainDirective)
at System.Web.UI.PageParser.ProcessMainDirective(IDictionary mainDirective)
at System.Web.UI.TemplateParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.BaseTemplateParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.TemplateControlParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.PageParser.ProcessDirective(String directiveName, IDictionary directive)
at System.Web.UI.TemplateParser.ParseStringInternal(String text, Encoding fileEncoding)
--- End of inner exception stack trace ---
at System.Web.UI.TemplateParser.ProcessException(Exception ex)
at System.Web.UI.TemplateParser.ParseStringInternal(String text, Encoding fileEncoding)
at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding)
--- End of inner exception stack trace ---
at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding)
at System.Web.UI.TemplateParser.ParseFile(String physicalPath, VirtualPath virtualPath)
at System.Web.UI.TemplateParser.ParseInternal()
at System.Web.UI.TemplateParser.Parse()
at System.Web.Compilation.BaseTemplateBuildProvider.get_CodeCompilerType()
at System.Web.Compilation.BuildProvider.GetCompilerTypeFromBuildProvider(BuildProvider buildProvider)
at System.Web.Compilation.BuildProvidersCompiler.ProcessBuildProviders()
at System.Web.Compilation.BuildProvidersCompiler.PerformBuild()
at System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath)
at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)
at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert)
at System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)
at System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)
at System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig)
at System.Web.HttpApplication.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
--- End of inner exception stack trace ---
aspnet_wp!library!1!05/26/2007-18:06:05:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!1!05/26/2007-18:06:05:: Call to GetSystemPropertiesAction().
aspnet_wp!library!c!05/26/2007-18:09:02:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!c!05/26/2007-18:09:36:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!c!05/26/2007-18:09:36:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!c!05/26/2007-18:10:07:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!16!5/26/2007-18:14:57:: i INFO: Cleaned 0 batch records, 0 policies, 0 sessions, 0 cache entries, 0 snapshots, 0 chunks, 0 running jobs, 0 persisted streams
aspnet_wp!library!a!05/26/2007-18:19:58:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!a!05/26/2007-18:20:29:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!a!05/26/2007-18:20:29:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!a!05/26/2007-18:21:00:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!16!5/26/2007-18:24:57:: i INFO: Cleaned 0 batch records, 0 policies, 0 sessions, 0 cache entries, 0 snapshots, 0 chunks, 0 running jobs, 0 persisted streams
aspnet_wp!library!1e!05/26/2007-18:27:16:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!1e!05/26/2007-18:27:17:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!1e!05/26/2007-18:27:17:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!1e!05/26/2007-18:27:17:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!1e!05/26/2007-18:27:49:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---
aspnet_wp!library!1e!05/26/2007-18:27:49:: i INFO: Exception dumped to: C:Program FilesMicrosoft SQL ServerMSSQL.4Reporting ServicesLogFiles flags= ReferencedMemory, AllThreads, SendToWatson
aspnet_wp!library!1e!05/26/2007-18:27:49:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details., ;
Info: Microsoft.ReportingServices.Diagnostics.Utilities.InternalCatalogException: An internal error occurred on the report server. See the error log for more details. ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.ReportingServices.WebServer.WebServiceHelper.ConstructRSServiceObjectFromSecurityExtension()
at Microsoft.ReportingServices.WebServer.Global.ConstructRSServiceFromRequest(String item)
at Microsoft.ReportingServices.WebServer.Global.get_Service()
at Microsoft.ReportingServices.WebServer.Global.DispatchRequest(Boolean& transferedToViewerPage)
at Microsoft.ReportingServices.WebServer.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
--- End of inner exception stack trace ---


In the above logs, only the highlighted area points to my code. Although i dont know why this exception is coming as i have the dll in the bin folder, and the CodeBehind attribute in the logon.aspx field is correct. But i have no clue about the rest of the exceptions. I tried attaching the debugger with aspnet_wp process, but that doesnt help either. Please help me in this regard.



Thanks

Naveed

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I am using .NET v2.0 and SqlServer2005 SB in 90 compatibility mode.

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Thanks. Code follows:


private void Listen()
{
// infinite loop on this thread: keep listening even after
// receiving notification
while( true )
{
// connects to SqlServer queue and sleeps until a notification msg arrives
using( SqlConnection conn = new SqlConnection( _connect ) )
{
WriteMessage( "RequestNotification: Listen connection opened." );
using( SqlCommand cmd = conn.CreateCommand() )
{
int msgBodyId = InvalidSubscriptionId;
cmd.CommandText = waitFor;
cmd.CommandTimeout = 0; // _notificationTimeout + 100;
try
{
conn.Open();
// the thread is blocked until the waitfor event occurs.
SqlDataReader reader = cmd.ExecuteReader();
// the waitfor has triggered when we've reached here.
WriteMessage( "RequestNotification: Notification received." );
// there may be mulitple notifications waiting, but there seems only
// ever to be a single record to read, but we still use the while
// construct to ensure we get them all...
while( reader.Read() )
{
// the messageBody is actually XML with a GUID embedded as the msgId, eg:
// <qn:Message>82120744-f2bf-4c62-a17c-867cc6eb040e</qn:Message>
String messageBody = FixupMessageText( System.Text.ASCIIEncoding.ASCII.GetString( (byte[]) reader.GetValue( 13 ) ).ToString() );
msgBodyId = MessageBodyId( messageBody );
// doesn't work, sqlbinary...
// String messageBody = reader.GetSqlXml( 13 ).ToString();
#if __dbg
// used for debugging
// messageText = System.Text.ASCIIEncoding.ASCII.GetString( (byte[]) reader.GetValue( 13 ) ).ToString();
Byte status = reader.GetByte( 0 );
Byte priority = reader.GetByte( 1 );
Int64 queuingOrder = reader.GetInt64( 2 );
Guid conversationGroupId = reader.GetGuid( 3 );
Guid conversationHandle = reader.GetGuid( 4 );
Int64 messageSeqNo = reader.GetInt64( 5 );
String serviceName = reader.GetString( 6 );
Int32 serviceId = reader.GetInt32( 7 );
String serviceContractName = reader.GetString( 8 );
Int32 serviceContractId = reader.GetInt32( 9 );
String messageTypeName = reader.GetString( 10 );
Int32 messageTypeId = reader.GetInt32( 11 );
String validation = reader.GetString( 12 );
StringBuilder sb = new StringBuilder( "MESSAGE", 1024 );
sb.AppendLine();
sb.Append( " " );
sb.Append( BuildMessage( "status", status ) );
sb.Append( BuildMessage( "priority", priority ) );
sb.Append( BuildMessage( "queuingOrder", queuingOrder ) );
sb.Append( BuildMessage( "conversationGroupId", status ) );
sb.Append( BuildMessage( "conversationHandle", conversationHandle ) );
sb.Append( BuildMessage( "messageSeqNo", messageSeqNo ) );
sb.Append( BuildMessage( "serviceName", serviceName ) );
sb.Append( BuildMessage( "serviceId", serviceId ) );
sb.Append( BuildMessage( "serviceContractName", serviceContractName ) );
sb.Append( BuildMessage( "serviceContractId", serviceContractId ) );
sb.Append( BuildMessage( "messageTypeName", messageTypeName ) );
sb.Append( BuildMessage( "messageTypeId", messageTypeId ) );
sb.Append( BuildMessage( "validation", validation ) );
sb.AppendLine();
sb.Append( " " );
sb.Append( BuildMessage( "messageBody", messageBody ) );
WriteMessage( sb.ToString() );
#endif
}
reader.Close();
// and now we need to hand things back to the user's passed delegate.
// orphan notifications can be left behind from previous runs,
// determine if this notification is one we want to pass on
if( _subscriptionId == msgBodyId )
{
WriteMessage( "Message " + msgBodyId.ToString() + " calling delegate." );
// see http://msdn2.microsoft.com/en-us/library/system.data.sqlclient.sqlnotificationinfo.aspx
SqlNotificationEventArgs e = new SqlNotificationEventArgs( SqlNotificationType.Change, SqlNotificationInfo.AlreadyChanged, SqlNotificationSource.Database );
_delegate( this, e );
}
else
{
WriteMessage( "Message " + msgBodyId.ToString() + " ignored." );
}
}
catch( SqlException )
{
// if the queue name doesn't match one in the db an exception will be thrown
throw;
}
finally
{
conn.Close();
}
}
}
WriteMessage( "RequestNotification: Listen connection closed." );
}
}

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I've been successful at installing a customized SQLexpress using setup.exe /settings template.ini.

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Is this possible and how would I do it?

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Mar 3, 2008

When I first looked at the query behind highlight exceptions, I assumed that PredictCaseLikelihood() was the basis for deciding which rows to flag, but a closer look at the sample data shows this not to be the case. For example, looking at the "Table Analysis Tools Sample" table in the DMAddins_SampleData workbook, ID 11147 is highlighted while ID 11378 is not. Training a cluster model via DMX on this same dataset shows these rows having PredictCaseLikelihood values of 0.165 and 0.158 respectively.

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Sep 20, 2006

I'm setting up a routine to do some reindexing. To get the info I need I'm trying to use the new function. The DB I think is causing the problem does pass DBCC CHECKDB. I'm not sure why I'm getting this but can not find anyone else that is getting this same error.

When I run this....

SELECT *

FROM sys.dm_db_index_physical_stats (NULL, NULL, NULL, NULL, 'detailed')

I get this....

Location: qxcntxt.cpp:954

Expression: !"No exceptions should be raised by this code"

SPID: 236

Process ID: 1060

Msg 0, Level 11, State 0, Line 0

A severe error occurred on the current command. The results, if any, should be discarded.

Msg 0, Level 20, State 0, Line 0

A severe error occurred on the current command. The results, if any, should be discarded.

If I run only for the DB I think is causing the problem I get this...

Msg 0, Level 11, State 0, Line 0

A severe error occurred on the current command. The results, if any, should be discarded.

Msg 0, Level 20, State 0, Line 0

A severe error occurred on the current command. The results, if any, should be discarded.

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