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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 Tue, 24 Feb 2015 13:06:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334850#comment-14334850
] 

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

Hmm. It looks like our unit tests don't run against compressed tables as standard, and CASSANDRA-8750
was broken from the get go. :/

> 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
>
> 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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