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From "Malte Pickhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-12839) CommitLogReplayException: Unexpected error deserializing mutation
Date Tue, 07 Mar 2017 14:38:38 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-12839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15899527#comment-15899527
] 

Malte Pickhan commented on CASSANDRA-12839:
-------------------------------------------

[~jjirsa]Sorry for the delayed response. We actually recovered the node by replaying from
a healthy one.

> CommitLogReplayException: Unexpected error deserializing mutation
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-12839
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12839
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Ubuntu, Cassandra 3.7, RF3
>            Reporter: Malte Pickhan
>            Priority: Critical
>
> We wanted to run a *nodetool repair*  on the affected node. This was not possible due
to CASSANDRA-12694.
> Therefore we wanted to shutdown the node in order to run scrubsstables. After this was
done, bootstrapping the node was not possible anymore. It was not possible since it wasn't
able to replay the commitlog. Unfortunately we didn't run a drain before.
> {quote}
> org.apache.cassandra.db.commitlog.CommitLogReplayer$CommitLogReplayException: Unexpected
error deserializing mutation; saved to /tmp/mutation4616409546670104469dat.  This may be caused
by replaying a mutation against a table with the same name but incompatible schema.  Exception
follows: java.io.IOError: java.io.IOException: Corrupt empty row found in unfiltered partition
> {quote}
> Two days before that, we actually did some modification on the table and dropped a column.



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