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https://issues.apache.org/jira/browse/CASSANDRA-9204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14500072#comment-14500072
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Benedict commented on CASSANDRA-9204:
-------------------------------------
I'll take the ticket, but defer it until we can get CASSANDRA-8948 and
CASSANDRA-8568 in since, as you say, they change behaviour pretty substantially
and very likely fix it.
> AssertionError in CompactionExecutor thread
> -------------------------------------------
>
> Key: CASSANDRA-9204
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9204
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Philip Thompson
> Assignee: Benedict
> Fix For: 3.0
>
> Attachments: node1.log
>
>
> While running the dtest
> {{upgrade_through_versions_test.py:TestRandomPartitionerUpgrade.upgrade_test}},
> the test is failing due to a large number of exceptions in the logs related
> to compaction. Here is a snippet of one. The full log is attached. These
> exceptions occurred after upgrading to trunk. The cluster had already
> upgraded 1.2 -> 2.0 -> 2.1 successfully.
> {code}
> ERROR [CompactionExecutor:2] 2015-04-16 12:05:11,747 Cassandra
> Daemon.java: Exception in thread Thread[CompactionExecutor:2,1
> ,main]
> java.lang.AssertionError: null
> at org.apache.cassandra.io.sstable.format.SSTableReade
> r.setReplacedBy(SSTableReader.java:905) ~[main/:na]
> at org.apache.cassandra.io.sstable.SSTableRewriter.fin
> ishAndMaybeThrow(SSTableRewriter.java:461) ~[main/:na]
> at org.apache.cassandra.io.sstable.SSTableRewriter.fin
> ish(SSTableRewriter.java:418) ~[main/:na]
> at org.apache.cassandra.io.sstable.SSTableRewriter.fin
> ish(SSTableRewriter.java:398) ~[main/:na]
> at org.apache.cassandra.db.compaction.writers.DefaultC
> ompactionWriter.finish(DefaultCompactionWriter.java:77) ~[main
> /:na]
> at org.apache.cassandra.db.compaction.CompactionTask.r
> unMayThrow(CompactionTask.java:202) ~[main/:na]
> at org.apache.cassandra.utils.WrappedRunnable.run(Wrap
> pedRunnable.java:28) ~[main/:na]
> at org.apache.cassandra.db.compaction.CompactionTask.e
> xecuteInternal(CompactionTask.java:73) ~[main/:na]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:58)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager$5.execute(CompactionManager.java:371)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:280)
> ~[main/:na]
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> ~[na:1.7.0_75]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> ~[na:1.7.0_75]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_75]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]{code}
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