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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9117) LEAK DETECTED during repair, startup
Date Fri, 03 Apr 2015 22:10:53 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14395154#comment-14395154
] 

Benedict commented on CASSANDRA-9117:
-------------------------------------

I was looking into a flood of LEAK DETECTED earlier today on trunk, but since they don't affect
2.1, I was hoping to wait until CASSANDRA-8984 is committed, since I fully expect that to
fix them if they're bugs anywhere in the main innards of resource management.

> LEAK DETECTED during repair, startup
> ------------------------------------
>
>                 Key: CASSANDRA-9117
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9117
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Benedict
>             Fix For: 3.0
>
>         Attachments: node1.log, node2.log.gz
>
>
> When running the {{incremental_repair_test.TestIncRepair.multiple_repair_test}} dtest,
the following error logs show up:
> {noformat}
> ERROR [Reference-Reaper:1] 2015-04-03 15:48:25,491 Ref.java:181 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@83f047e) to class org.apache.cassandra.io.util.SafeMemory$MemoryTidy@1631580268:Memory@[7f354800bdc0..7f354800bde8)
was not released before the reference was garbage collected
> ERROR [Reference-Reaper:1] 2015-04-03 15:48:25,493 Ref.java:181 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@50bc8f67) to class org.apache.cassandra.io.util.SafeMemory$MemoryTidy@191552666:Memory@[7f354800ba90..7f354800bdb0)
was not released before the reference was garbage collected
> ERROR [Reference-Reaper:1] 2015-04-03 15:48:25,493 Ref.java:181 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@7fd10877) to class org.apache.cassandra.io.util.SafeMemory$MemoryTidy@1954741807:Memory@[7f3548101190..7f3548101194)
was not released before the reference was garbage collected
> ERROR [Reference-Reaper:1] 2015-04-03 15:48:25,494 Ref.java:181 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@578550ac) to class org.apache.cassandra.utils.concurrent.WrappedSharedCloseable$1@1903393047:[[OffHeapBitSet]]
was not released before the reference was garbage collected
> {noformat}
> The test is being run against trunk (commit {{1dff098e}}).  I've attached a DEBUG-level
log from the test run.



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