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https://issues.apache.org/jira/browse/CASSANDRA-11904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15344264#comment-15344264
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Marcus Eriksson edited comment on CASSANDRA-11904 at 6/22/16 12:53 PM:
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could you post more of the logs? Say an hour or so around this exception?
was (Author: krummas):
could you post more of the log before this happens?
> Exception in thread Thread[CompactionExecutor:13358,1,main]
> java.lang.AssertionError: Memory was freed
> ------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-11904
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11904
> Project: Cassandra
> Issue Type: Bug
> Components: Compaction
> Reporter: Valentin Martinjuk
> Assignee: Marcus Eriksson
>
> We have Cassandra cluster 2.2.5 with two datacenters(3 nodes each).
> We observe ERRORs below on all nodes. The ERROR is repeated every minute.
> No any complains from customers. Do we have any chance to fix it without
> restart?
> {code}
> ERROR [CompactionExecutor:13996] 2016-05-26 21:20:46,700
> CassandraDaemon.java:185 - Exception in thread
> Thread[CompactionExecutor:13996,1,main]
> java.lang.AssertionError: Memory was freed
> at
> org.apache.cassandra.io.util.SafeMemory.checkBounds(SafeMemory.java:103)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at org.apache.cassandra.io.util.Memory.getInt(Memory.java:292)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.IndexSummary.getPositionInSummary(IndexSummary.java:148)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.IndexSummary.fillTemporaryKey(IndexSummary.java:162)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.IndexSummary.binarySearch(IndexSummary.java:121)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader.getSampleIndexesForRanges(SSTableReader.java:1398)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader.estimatedKeysForRanges(SSTableReader.java:1354)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionStrategy.worthDroppingTombstones(AbstractCompactionStrategy.java:403)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.LeveledCompactionStrategy.findDroppableSSTable(LeveledCompactionStrategy.java:412)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getNextBackgroundTask(LeveledCompactionStrategy.java:101)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.WrappingCompactionStrategy.getNextBackgroundTask(WrappingCompactionStrategy.java:88)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:250)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_74]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_74]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[na:1.8.0_74]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_74]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_74]
> ERROR [CompactionExecutor:13996] 2016-05-26 21:21:46,702
> CassandraDaemon.java:185 - Exception in thread
> Thread[CompactionExecutor:13996,1,main]
> java.lang.AssertionError: Memory was freed
> at
> org.apache.cassandra.io.util.SafeMemory.checkBounds(SafeMemory.java:103)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at org.apache.cassandra.io.util.Memory.getInt(Memory.java:292)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.IndexSummary.getPositionInSummary(IndexSummary.java:148)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.IndexSummary.fillTemporaryKey(IndexSummary.java:162)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.IndexSummary.binarySearch(IndexSummary.java:121)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader.getSampleIndexesForRanges(SSTableReader.java:1398)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.io.sstable.format.SSTableReader.estimatedKeysForRanges(SSTableReader.java:1354)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionStrategy.worthDroppingTombstones(AbstractCompactionStrategy.java:403)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.LeveledCompactionStrategy.findDroppableSSTable(LeveledCompactionStrategy.java:412)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getNextBackgroundTask(LeveledCompactionStrategy.java:101)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.WrappingCompactionStrategy.getNextBackgroundTask(WrappingCompactionStrategy.java:88)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:250)
> ~[apache-cassandra-2.2.5.jar:2.2.5]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_74]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_74]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[na:1.8.0_74]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_74]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_74]
> {code}
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