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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8851) Uncaught exception on thread Thread[SharedPool-Worker-16,5,main] after upgrade to 2.1.3
Date Mon, 16 Mar 2015 09:41:38 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14362988#comment-14362988
] 

Benedict commented on CASSANDRA-8851:
-------------------------------------

[~tobsch]: is this easily reproducible? Could you turn on trace logging in SSTableReader,
or perhaps upload the files somewhere for me to test against? 

Are you running with assertions enabled?

It may be worth trying 2.1-HEAD, although I don't think this behaviour will have changed there.

> Uncaught exception on thread Thread[SharedPool-Worker-16,5,main] after upgrade to 2.1.3
> ---------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-8851
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8851
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: ubuntu 
>            Reporter: Tobias Schlottke
>            Assignee: Benedict
>            Priority: Critical
>             Fix For: 2.1.4
>
>
> Hi there,
> after upgrading to 2.1.3 we've got the following error every few seconds:
> {code}
> WARN  [SharedPool-Worker-16] 2015-02-23 10:20:36,392 AbstractTracingAwareExecutorService.java:169
- Uncaught exception on thread Thread[SharedPool-Worker-16,5,main]: {}
> java.lang.AssertionError: null
> 	at org.apache.cassandra.io.util.Memory.size(Memory.java:307) ~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.utils.obs.OffHeapBitSet.capacity(OffHeapBitSet.java:61) ~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.utils.BloomFilter.indexes(BloomFilter.java:74) ~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.utils.BloomFilter.isPresent(BloomFilter.java:98) ~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.io.sstable.SSTableReader.getPosition(SSTableReader.java:1366)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.io.sstable.SSTableReader.getPosition(SSTableReader.java:1350)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.columniterator.SSTableSliceIterator.<init>(SSTableSliceIterator.java:41)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:185)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:62)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:273)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:62)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1915)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1748)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:342) ~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:57)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:47) ~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:62) ~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_45]
> 	at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
~[apache-cassandra-2.1.3.jar:2.1.3]
> 	at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [apache-cassandra-2.1.3.jar:2.1.3]
> 	at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
> {code}
> This seems to crash the compactions and pushes up server load and piles up compactions.
> Any idea / possible workaround?
> Best,
> Tobias



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