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https://issues.apache.org/jira/browse/CASSANDRA-12539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15615311#comment-15615311
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Benjamin Lerer commented on CASSANDRA-12539:
--------------------------------------------
What happened is that the node crashed while a new commit log segment why
Cassandra was trying to get a new file pointer to resize the commit log segment.
Neverthess, it is the expected behaviour that Cassandra should not start if
some commitlog segments are empty (there are some tests that check that
behaviour).
An empty commitlog is a sign of a problem but Cassandra as no way to determine
the root cause of the problem that is why it will not start and notify the
administrator.
> Empty CommitLog prevents restart
> --------------------------------
>
> Key: CASSANDRA-12539
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12539
> Project: Cassandra
> Issue Type: Bug
> Reporter: Stefano Ortolani
>
> A node just crashed (known cause: CASSANDRA-11594) but to my surprise (unlike
> other time) restarting simply fails.
> Checking the logs showed:
> {noformat}
> ERROR [main] 2016-08-25 17:05:22,611 JVMStabilityInspector.java:82 - Exiting
> due to error while processing commit log during initialization.
> org.apache.cassandra.db.commitlog.CommitLogReplayer$CommitLogReplayException:
> Could not read commit log descriptor in file
> /data/cassandra/commitlog/CommitLog-6-1468235564433.log
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.handleReplayError(CommitLogReplayer.java:650)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:327)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:148)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:181)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:161)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:289)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:557)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:685)
> [apache-cassandra-3.0.8.jar:3.0.8]
> INFO [main] 2016-08-25 17:08:56,944 YamlConfigurationLoader.java:85 -
> Configuration location: file:/etc/cassandra/cassandra.yaml
> {noformat}
> Deleting the empty file fixes the problem.
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