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TimesTen: CRS agent Failing When "ttCWAdmin -status" command is executed conncurrently with "ttCWAdmin -beginAlterSchema" (Doc ID 1477132.1)

Last updated on AUGUST 23, 2021

Applies to:

Oracle TimesTen In-Memory Database - Version and later
Information in this document applies to any platform.


Customer operated a TimesTen active/standby configuration in a 64bit Linux environment, managed by Oracle Clusterware.

Customer attempted to add a cache group to his replication using the 'ttCWAdmin -beginAlterSchema'  command and the Clusterware agent process failed. It was subsequently determined that customer had executed a 'ttCWAdmin -status' command while the 'ttCWAdmin -beginAlterSchema' command was still functioning and this caused the agent process failure. When customer repeated his attempt to alter his replication schema but did not execute the  'ttCWAdmin -status' command, the operation completed successfully. In this case, the following message stream was seen in the ttmesg.log file of the standby node indicating that the clusterware process had failed and that it's transactions were being rolled back:





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