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https://issues.apache.org/jira/browse/CASSANDRA-11201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15389456#comment-15389456
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Jonathan Ellis commented on CASSANDRA-11201:
--------------------------------------------
Are you able to upload the sstables involved for analysis?
> Compaction memory fault in 3.0.3
> --------------------------------
>
> Key: CASSANDRA-11201
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11201
> Project: Cassandra
> Issue Type: Bug
> Components: Compaction
> Environment: debian jesse latest release, updated Feb. 20th
> Reporter: Jason Kania
>
> I have been encountering the following errors periodically on the system:
> ERROR [CompactionExecutor:6] 2016-02-20 16:54:09,069 CassandraDaemon.java:195
> - Exception in thread Thread[CompactionExecutor:6,1,main]
> java.lang.InternalError: a fault occurred in a recent unsafe memory access
> operation in compiled Java code
> at
> org.apache.cassandra.utils.ByteBufferUtil.readShortLength(ByteBufferUtil.java:366)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUtil.java:376)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.io.sstable.format.big.BigTableScanner.seekToCurrentRangeStart(BigTableScanner.java:175)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.io.sstable.format.big.BigTableScanner.access$200(BigTableScanner.java:51)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator.computeNext(BigTableScanner.java:280)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator.computeNext(BigTableScanner.java:260)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.io.sstable.format.big.BigTableScanner.hasNext(BigTableScanner.java:240)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:369)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:189)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:158)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$2.hasNext(UnfilteredPartitionIterators.java:150)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:72)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:177)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:78)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:263)
> ~[apache-cassandra-3.0.3.jar:3.0.3]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_65]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_65]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[na:1.8.0_65]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_65]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_65]
> This problem persisted after several reboots and even when most other
> applications on the system were terminated to provide more memory
> availability.
> The problem also occurs when running 'nodetool compact'.
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