JR63844: EXCEPTION IF SUBSCRIPTION IS USING SHARED SCRAPE AND STAGING STORE IS CLEARED OR DISK QUOTA EXCEEDED

APAR status

• Closed as program error.

Error description

• The CDC engine throws a Null Pointer Exception or Assumption
  Exception if subscription is using shared scrape and staging
  store is cleared or disk quota exceeded at wrong time.
  
  SCRAPER MANAGER{438} com.datamirror.ts.util.TsExceptionHandler
  processUnhandledException() An uncaught exception has occurred:
  ?java.lang.NullPointerException | at
  com.datamirror.ts.scrapers.singlescrape.ChangeLogPointer.setCurr
  entReadBlock(ChangeLogPointer.java:989)
  
  SCRAPER MANAGER{479} com.datamirror.ts.eventlog.EventLogger
  logActualEvent() Event logged: ID=9700 MSG=An internal error has
  occurred. IBM InfoSphere Data Replication (IBM DB2) will
  continue processing. The error value is "Attempted to get the
  oldest block from an empty change log".
  ?com.datamirror.ts.assertion.AssumptionException The error value
  is "Attempted to get the oldest block from an empty change log".
  | at
  com.datamirror.ts.scrapers.singlescrape.ChangeLog.getOldestBlock
  Num(ChangeLog.java:2660)
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * This issue might affect you if you are using IDR             *
  * 11.4.0.3-5594 or older on a source engine, and shared scrape *
  * is active.                                                   *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * Replication can end on error, because the engine mistakenly  *
  * judges that it is out of disk.                               *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to IDR 11.4.0.4-5599 or newer for all Linux, UNIX or *
  * Windows engines.                                             *
  ****************************************************************
  

Problem conclusion

• Upgrading to IDR 11.4.0.4-5599 or newer for all Linux, UNIX or
  Windows engines resolves the issue.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  IS CDC DB2 LUW

• Fixed component ID

  5725E30DL

Applicable component levels