Gary Tully created AMQ-4645:
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Summary: The lease-database-locker does not work properly slave
broker ssytem clock is behind Database server
Key: AMQ-4645
URL: https://issues.apache.org/jira/browse/AMQ-4645
Project: ActiveMQ
Issue Type: Bug
Components: Message Store
Affects Versions: 5.8.0
Environment: jdbc master slave
Reporter: Gary Tully
Assignee: Gary Tully
Fix For: 5.9.0
The lease locker can adjust the lease duration based on the DB current time but
this only works if the broker is ahead of the Db.
If the broker is behind, it will always obtain a lease due to incorrect
adjustment.
If the clocks are in sync there is no issue.{code}
<persistenceAdapter>
<jdbcPersistenceAdapter dataSource="#oracle-ds"
lockKeepAlivePeriod="5000">
<locker>
<lease-database-locker lockAcquireSleepInterval="10000"/>
</locker>
</jdbcPersistenceAdapter>
</persistenceAdapter>{code}
The problem is that the negative diff is being treated as a positive diff.
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