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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4378) MalformedInputException running cleanup on solr KS 'Logging', we should catch the exception
Date Tue, 26 Jun 2012 17:13:44 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13401526#comment-13401526
] 

Brandon Williams commented on CASSANDRA-4378:
---------------------------------------------

This sounds like papering over the problem to me.  If there is bad data, then scrub should
be used to remove it.
                
> MalformedInputException running cleanup on solr KS 'Logging', we should catch the exception
> -------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-4378
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4378
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.0.8, 1.0.9, 1.0.10, 1.1.0
>            Reporter: Alex Liu
>             Fix For: 1.1.2
>
>
> The following occurred on 10 node cluster which we were running rebalance. Nick said
it appeared to be related to running cleanup on a solr secondary index cf, and with this cluster
it occurs when running cleanup on the Logging KS. Please note that we did run the solr_logging
demo on this data prior to cleanup.
> The exception java.nio.charset.MalformedInputException: Input length = 1 is caused by
incompatible data format.
> It comes from doCleanupCompaction method of CompactionManager.java from C*
> try
> { cfs.indexManager.deleteFromIndexes(row.getKey(), indexedColumnsInRow); }
> finally
> { Table.switchLock.readLock().unlock(); }
> it looks like something wrong with the key data in row.getKey()
> ERROR [CompactionExecutor:7] 2012-04-05 03:13:11,550 AbstractCassandraDaemon.java (line
139) Fatal exception in thread Thread[CompactionExecutor:7,1,main]
> java.lang.RuntimeException: java.nio.charset.MalformedInputException: Input length =
1
>         at com.datastax.bdp.cassandra.index.solr.SolrSecondaryIndex.deleteFromIndex(SolrSecondaryIndex.java:412)
>         at org.apache.cassandra.db.index.SecondaryIndexManager.deleteFromIndexes(SecondaryIndexManager.java:488)
>         at org.apache.cassandra.db.compaction.CompactionManager.doCleanupCompaction(CompactionManager.java:759)
>         at org.apache.cassandra.db.compaction.CompactionManager.access$300(CompactionManager.java:64)
>         at org.apache.cassandra.db.compaction.CompactionManager$5.perform(CompactionManager.java:242)
>         at org.apache.cassandra.db.compaction.CompactionManager$2.call(CompactionManager.java:183)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.nio.charset.MalformedInputException: Input length = 1
>         at java.nio.charset.CoderResult.throwException(CoderResult.java:260)
>         at java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:781)
>         at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:164)
>         at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:121)
>         at com.datastax.bdp.cassandra.index.solr.SolrSecondaryIndex.deleteFromIndex(SolrSecondaryIndex.java:405)
>         ... 10 more
> Can we catch the exception here, so the program can continue running.

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