Too many events since previous incremental sync

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Platform Notice: Server and Data Center Only - This article only applies to Atlassian products on the server and data center platforms.

Problem

Incremental sync mail fail with the following errors in logs:

Incremental synchronisation failed: Too many events since previous incremental sync

Diagnosis

Environment

  • Crowd 2.12+ integrated with LDAP

  • There may other application connecting to Crowd and also receive the same error message

Cause

Incremental syncs rely on checking new changes since the last successful sync.  If there are too many change events that have occurred, incremental sync will fail.

  • The default event limit is 10000

Workaround

To workaround this problem, wait until Crowd performs a Full Synchronization job.  This will ensure that all changes are up to date.

  • Note you can also force a full sync by modifying Crowd's directory and disabling the "Incremental Sync" function.  Then re-enable this after the full sync is complete.

Resolution

It may be possible to increase the event limit by modifying the Java startup parameters for Crowd:

  • Add the following parameter 

    -Dcrowd.eventstore.eventlimit=10000
  • Increase this value as needed
  • Restart Crowd


Description
ProductCrowd
Last modified on Nov 2, 2018

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