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From "Valentin Martinjuk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-11904) Exception in thread Thread[CompactionExecutor:13358,1,main] java.lang.AssertionError: Memory was freed
Date Thu, 26 May 2016 22:54:12 GMT
Valentin Martinjuk created CASSANDRA-11904:
----------------------------------------------

             Summary: 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


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?

{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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