IT41330: VM BACKUP FAILS WITH 'ERROR: JAVA.UTIL.CONCURRENTMODIFICATIONEXCEPTION'

APAR status

• Closed as program error.

Error description

• The backup of a VMware Virtual Machine (VM) can fail in IBM
  Spectrum Protect Plus with the following error:
  
  ERROR,<id>,<time>,2,CTGGA0076,Unprotected VM:  <VM Name>. Last
  error: [java.util.ConcurrentModificationException]
  
  
  The Virgo log is showing the following additional information:
  
  
  [date] INFO  <threadid>
  com.syncsort.dp.xsb.vsphereprovider.vijava.vadp.VadpUtil
   1655061909217 waitForTask: removeSnapshot, [<vmname>, <snapshot
  name>]
  [date] INFO  <threadid>
  c.syncsort.dp.xsb.vsphereprovider.vijava.vadp.VirtualMachineObj
   1655061909217 Deleted snapshot (<snapshot name) of VM (vmname)
  [date] INFO  <threadid>
  com.syncsort.dp.xsb.vsphereprovider.vijava.vadp.VMwareBackup
   1655061909217
  com.syncsort.dp.xsb.persistence.dao.XSBDAOException:
  java.util.ConcurrentModificationException
         at com.syncsort.dp.xsb.persistence.mongodb.impl.DBEntity
  DAOImpl.mongoOpsUpdateMulti(DBEntityDAOImpl.java:1621)
         at com.syncsort.dp.xsb.persistence.mongodb.impl.DBEntity
  DAOImpl.updateDocumentByQuery(DBEntityDAOImpl.java:1600)
         at com.syncsort.dp.xsb.persistence.mongodb.impl.DBEntity
  DAOImpl.updateDocumentByQuery(DBEntityDAOImpl.java:1679)
         at com.syncsort.dp.xsb.persistence.mongodb.impl.Jobsessi
  onDAOImpl.updateJobsession(JobsessionDAOImpl.java:1361)
  
  This APAR applies when
  - The error is seen after the VM snapshot delete has started.
  The actual data transfer for this backup completed
  - The stack shows the problem happens during the update of the
  Mongo Catalog in IBM Spectrum Protect Plus
  
  
  IBM Spectrum Protect Plus Versions Affected:
  IBM Spectrum Protect Plus 10.1.x
  
  Additional Keywords: SPP, SPPlus, TS009540900
  

Local fix

• Rerun the backup of the failed VM.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * IBM Spectrum Protect Plus level 10.1.x.                      *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See ERROR DESCRIPTION                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fixing level when available. This problem is currently *
  * projected to be fixed in IBM Spectrum Protect Plus level     *
  * 10.1.12. Note that this is subject to change at the          *
  * discretion of IBM.                                           *
  ****************************************************************
  

Problem conclusion

• IBM Spectrum Protect Plus was modified with additional
  synchronization and a single retry under such circumstances.
  

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:

Modules/Macros

• Platform Other
  

Fix information

• Fixed component name

  SP PLUS

• Fixed component ID

  5737SPLUS

Applicable component levels