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2133336 - Large cache refresh fails with Exception: JZ0C0: Connection is already closed. - SUP/SMP


  • Small cache refreshes to the backend server are successful but large refreshes fail
  • The problem happens for Scheduled or On-Demand refreshes
  • Can happen for Delta or Initial syncs in On-Demand configuration depending on size
  • Stack traces from the refresh have this exception:

Caused by: java.sql.SQLException: JZ006: Caught IOException: com.sybase.jdbc4.jdbc.SybConnectionDeadException: JZ0C0: Connection is already closed.

  • The Data tier Cache database errorlog.txt has entries similar to this. The reported time may be different.

Disconnecting Client - No activity for 5 minutes
Disconnected TCPIP client's AppInfo: HOST=MYSMPSRV235;PID=6492;EXE=com.sybase.djc.scheduler.Sche



  • Sybase Unwired Platform (SUP) 2.0.x, 2.1.x, 2.2.x
  • SAP Mobile Platform (SMP) 2.3.x
  • SAP Mobile Platform (SMP) 3.x (MBO Runtime)


SAP Mobile Platform 2.3 ; SAP Mobile Platform 3.0 ; Sybase Unwired Platform 2.0 ; Sybase Unwired Platform 2.1 ; Sybase Unwired Platform 2.2


locking, session, holding, terminated, ODBC, CheckMemoryUsage, SQLE_SERVER_SYNCHRONIZATION_ERROR , KBA , MOB-SUP-RT , SUP Runtime , Problem

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