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Rehostuser Hangs After Elasticsearch Errors (Doc ID 2821229.1)

Last updated on NOVEMBER 15, 2021

Applies to:

Oracle Communications Messaging Server - Version 8.1.0 and later
Information in this document applies to any platform.

Symptoms

Users are being moved from an old backend to a new backend, where both backends have Elasticsearch running.
The rehostuser for one particular user has been running for a VERY long time and the user has relatively little mail.
The restore completed on the destination system but it looks like the imsbackup process on the source system is stuck waiting for a DB lock which is held by the rehostuser process.

An imcheck was run and under "Locks grouped by object", the following was observed:

 

Changes

 

Cause

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