AnsweredAssumed Answered

An unexpected error has occurred in  nintex workflow

Question asked by mahesh_mohan03@infosys.com on Oct 12, 2014
Latest reply on Dec 22, 2014 by burkslm

i am facing an issue  while opening workflow history for my sharepoint 2010 site

error is An unexpected error has occurred in  nintex workflow

detailed error from event log is given below.

please help

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10/08/2014 17:01:48.82  w3wp.exe (0x5E74)        0x5CD0 SharePoint Foundation Runtime               tkau       Unexpected      

System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)    at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)     at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)     at System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject)     at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject)     at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart)     at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)     at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)     at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)     at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)     at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)     at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)     at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)     at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)     at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)     at System.Data.SqlClient.SqlConnection.Open()     at Nintex.Workflow.Administration.Database.OpenConnectionInternal(String connectionString)     at Nintex.Workflow.Administration.ContentDatabase.OpenConnection()     at Nintex.Workflow.Administration.Database.ExecuteReader(SqlCommand command, CommandBehavior behavior)     at Nintex.Workflow.Reports.ItemWorkflowInfoCollection.kh8=(Guid lx8=, Guid mB8=, WorkflowType mR8=)     at Nintex.Workflow.Reports.ItemWorkflowInfoCollection..ctor(Guid webId, Guid siteId, WorkflowType workflowType)     at Nintex.Workflow.ApplicationPages.ItemWorkflows.Page_Load(Object sender, EventArgs e)     at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)     at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)     at System.Web.UI.Control.OnLoad(EventArgs e)     at Microsoft.SharePoint.WebControls.UnsecuredLayoutsPageBase.OnLoad(EventArgs e)     at Microsoft.SharePoint.WebControls.LayoutsPageBase.OnLoad(EventArgs e)     at Nintex.Workflow.ServerControls.NintexLayoutsBase.OnLoad(EventArgs e)     at System.Web.UI.Control.LoadRecursive()     at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

bc6f9b9b-5977-4564-a5ae-b3ed23fbc28a             

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