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https://issues.apache.org/jira/browse/CASSANDRA-8851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367870#comment-14367870
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Björn Hachmann commented on CASSANDRA-8851:
-------------------------------------------
Hi [~benedict],
you can download the data-files 171591 here:
http://clients.metrigo.com/data_file_171591.tar.gz.gpg
I have encrypted the archive using OpenPGP and will provide you the passphrase
per separate E-Mail.
It is interesting that you mention these files as their timestamps are from the
day we upgraded from 2.0 to 2.1. Unfortunately the error message does not
contain a file name, so we haven't connected the error with those files yet.
Furthermore there are obviously much more NPE's than occurrences of those file
names in the log files. But hopefully a clue!
> 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
>
> Attachments: schema.txt, system.log.gz
>
>
> 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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