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https://issues.apache.org/jira/browse/JCR-5062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17849201#comment-17849201
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Julian Reschke commented on JCR-5062:
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We could add debug information to find out why the connection is closed twice.
But it's a bit of work. (We have similar code in Oak's RDB code).
> Attempt to return connection twice
> ----------------------------------
>
> Key: JCR-5062
> URL: https://issues.apache.org/jira/browse/JCR-5062
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Affects Versions: 2.20.16
> Reporter: Henrik Hald Nørgaard
> Priority: Minor
> Attachments: stacktrace.txt
>
>
> We are using a JackRabbit content repository and are going to update some
> nodes with a new mixin. While iterating through the nodes that should be
> updated, the following warning sometimes appears in the log:
> {{WARN [org.jboss.jca.core.connectionmanager.pool.strategy.OnePool]
> (ServerService Thread Pool -- 88) IJ000609: Attempt to return connection
> twice:
> org.jboss.jca.core.connectionmanager.listener.NoTxConnectionListener@f6ff104[state=NORMAL
> managed
> connection=org.jboss.jca.adapters.jdbc.local.LocalManagedConnection@7f3ceaf7
> connection handles=0 lastReturned=1715156332529 lastValidated=1715156332529
> lastCheckedOut=1715156332528 trackByTx=false
> pool=org.jboss.jca.core.connectionmanager.pool.strategy.OnePool@16cc91e8
> mcp=SemaphoreConcurrentLinkedQueueManagedConnectionPool@53f6d09[pool=DezideAuthorJackrabbit]]:
> java.lang.Throwable: STACKTRACE}}
> I have attached a stacktrace.
> It seems that the database connection handled by the
> BundleDbPersistenceManager can in some situations be closed twice?
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