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https://issues.apache.org/jira/browse/CASSANDRA-9117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14697248#comment-14697248
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Victor Trac commented on CASSANDRA-9117:
----------------------------------------
Seeing this during a -pr repair on 2.2.0:
{code}
ERROR [Reference-Reaper:1] 2015-08-14 15:37:04,809 Ref.java:187 - LEAK
DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@645aba1e) to class
org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@785147240:/mnt/cassandra/data/crawl/link2-b1fa78203b0711e5a72aa1fb779f0f22/la-2257-big
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2015-08-14 15:37:04,809 Ref.java:187 - LEAK
DETECTED: a reference (org.apache.cassandra.utils.concurrent.Ref$State@713b0b)
to class
org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@679274203:/mnt/cassandra/data/crawl/link2-b1fa78203b0711e5a72aa1fb779f0f22/la-2266-big
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2015-08-14 15:37:04,809 Ref.java:187 - LEAK
DETECTED: a reference (org.apache.cassandra.utils.concurrent.Ref$State@9db4f67)
to class
org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@440947325:/mnt/cassandra/data/crawl/link2-b1fa78203b0711e5a72aa1fb779f0f22/la-2244-big
was not released before the reference was garbage collected
{code}
> 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: Marcus Eriksson
> Fix For: 2.2.0 beta 1
>
> Attachments:
> 0001-dont-initialize-writer-before-checking-if-iter-is-em.patch, 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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