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https://issues.apache.org/jira/browse/QPID-7023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keith Wall updated QPID-7023:
-----------------------------
Fix Version/s: qpid-java-6.0.2
> BDB HA: JE Cleaner warnings written to qpid log during apparently normal
> operation
> -----------------------------------------------------------------------------------
>
> Key: QPID-7023
> URL: https://issues.apache.org/jira/browse/QPID-7023
> Project: Qpid
> Issue Type: Bug
> Affects Versions: 0.32, qpid-java-6.0
> Reporter: Keith Wall
> Fix For: qpid-java-6.0.2, qpid-java-6.1
>
>
> The Java Broker directs JE log log messages to the qpid.log bridging from JUL
> to SLF4J.
> During operation of the group, with a relatively high transactional
> publish/consume workload, messages like this are seen. These are written to
> all nodes (master and replica) even when all nodes are on-line:
> {noformat}
> 2016-01-26 08:59:36,360 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 3
> files not deleted because they are protected by replication.
> 2016-01-26 08:59:38,966 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2
> files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:41,646 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2
> files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:43,987 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 1
> files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:46,494 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2
> files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 08:59:52,588 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 1
> files not deleted because they are protected by DbBackup or replication.
> 2016-01-26 09:00:45,684 WARN [Checkpointer] (BDB) - [mynode1] Cleaner has 2
> files not deleted because they are protected by DbBackup or replication.
> {noformat}
> Additionally replicas see messages like this:
> {noformat}
> 2016-01-26 08:59:36,359 WARN [Checkpointer] (BDB) - [mynode1] Replication
> prevents deletion of 3 files by Cleaner. Start file=0x280 holds CBVLSN
> 27,742,300, end file=0x287 holds end VLSN 28,040,638
> {noformat}
> The extent of the backlog never seems to get worse, and there is no
> functional impact.
> The forum post https://community.oracle.com/thread/2541709 makes me suspect
> that this warning might be normal if the backlogs remains 'small'.
> I have reproduced this problem on 0.32 and qpid-java-6.0. It is possible it
> occurs on 0.30 too, but there the JE log file was not redirected.
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