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I am getting an error in a windows service I'm working on. The service runs twice daily. When it runs at 6:00 PM it works just fine. When it runs at 6:00 AM, I get an e-mail with this stack trace. Does anyone have any idea what the error might be?

Oracle.DataAccess.Client.OracleException ORA-03113: end-of-file on communication channel Process ID: 2448 Session ID: 155 Serial number: 54127 at Oracle.DataAccess.Client.OracleException.HandleErrorHelper(Int32 errCode, OracleConnection conn, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, String procedure, Boolean bCheck) at Oracle.DataAccess.Client.OracleException.HandleError(Int32 errCode, OracleConnection conn, String procedure, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, Boolean bCheck) at Oracle.DataAccess.Client.OracleCommand.ExecuteReader(Boolean requery, Boolean fillRequest, CommandBehavior behavior) at Oracle.DataAccess.Client.OracleCommand.ExecuteReader() at MSSUPhotoSyncService.OneCardPhotoMgr.GetCurrentSIDs() in PhotoMgr.cs:line 93

AHiggins
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grantmcconnaughey
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    Hi @grantmc this is a possible duplicate of http://stackoverflow.com/questions/83068/ora-03113-end-of-file-on-communication-channel-after-long-inactivity-in-asp-net. Could you check that issue and see if it fixes your problem? – stevebot Mar 29 '13 at 18:44
  • There's also some good information [here](http://dba-oracle.com/m_ora_03113_end_of_file_on_communications_channel.htm). The tough thing about an ORA-03113 is that it's kind of a "catch all" error for "having a problem connecting" so it can mean a lot of things. – Ed Gibbs Mar 29 '13 at 18:52

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