[jira] [Commented] (CASSANDRA-12203) AssertionError on compaction after upgrade (2.1.9 -> 3.7)

2016-07-19 Thread Roman S. Borschel (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-12203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15383633#comment-15383633
 ] 

Roman S. Borschel commented on CASSANDRA-12203:
---

Of course, issue description updated.

> AssertionError on compaction after upgrade (2.1.9 -> 3.7)
> -
>
> Key: CASSANDRA-12203
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12203
> Project: Cassandra
>  Issue Type: Bug
>  Components: Compaction
> Environment: Cassandra 3.7 (upgrade from 2.1.9)
> Java version "1.8.0_91"
> Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-83-generic x86_64)
>Reporter: Roman S. Borschel
> Fix For: 3.x
>
>
> After upgrading a Cassandra cluster from 2.1.9 to 3.7, one column family 
> (using SizeTieredCompaction) repeatedly and continuously failed compaction 
> (and thus also repair) across the cluster, with all nodes producing the 
> following errors in the logs:
> {noformat}
> 016-07-14T09:29:47.96855 |srv=cassandra|ERROR: Exception in thread 
> Thread[CompactionExecutor:3,1,main]
> 2016-07-14T09:29:47.96858 |srv=cassandra|java.lang.AssertionError: null
> 2016-07-14T09:29:47.96859 |srv=cassandra|   at 
> org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$TombstoneTracker.openNew(UnfilteredDeserializer.java:650)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96860 |srv=cassandra|   at 
> org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$UnfilteredIterator.hasNext(UnfilteredDeserializer.java:423)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96860 |srv=cassandra|   at 
> org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer.hasNext(UnfilteredDeserializer.java:298)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96860 |srv=cassandra|   at 
> org.apache.cassandra.io.sstable.SSTableSimpleIterator$OldFormatIterator.readStaticRow(SSTableSimpleIterator.java:133)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96861 |srv=cassandra|   at 
> org.apache.cassandra.io.sstable.SSTableIdentityIterator.(SSTableIdentityIterator.java:57)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96861 |srv=cassandra|   at 
> org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator$1.initializeIterator(BigTableScanner.java:334)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96862 |srv=cassandra|   at 
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.maybeInit(LazilyInitializedUnfilteredRowIterator.java:48)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96862 |srv=cassandra|   at 
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.isReverseOrder(LazilyInitializedUnfilteredRowIterator.java:70)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96863 |srv=cassandra|   at 
> org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:109)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96863 |srv=cassandra|   at 
> org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:100)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96864 |srv=cassandra|   at 
> org.apache.cassandra.utils.MergeIterator$Candidate.consume(MergeIterator.java:408)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96864 |srv=cassandra|   at 
> org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:203)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96865 |srv=cassandra|   at 
> org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:156)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96865 |srv=cassandra|   at 
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
> ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96866 |srv=cassandra|   at 
> org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$2.hasNext(UnfilteredPartitionIterators.java:150)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96866 |srv=cassandra|   at 
> org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:72)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96867 |srv=cassandra|   at 
> org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96867 |srv=cassandra|   at 
> org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182)
>  ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96867 |srv=cassandra|   at 
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
> ~[apache-cassandra-3.7.jar:3.7]
> 2016-07-14T09:29:47.96868 |srv=cassandra|   at 
> 

[jira] [Updated] (CASSANDRA-12203) AssertionError on compaction after upgrade (2.1.9 -> 3.7)

2016-07-19 Thread Roman S. Borschel (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-12203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Roman S. Borschel updated CASSANDRA-12203:
--
Description: 
After upgrading a Cassandra cluster from 2.1.9 to 3.7, one column family (using 
SizeTieredCompaction) repeatedly and continuously failed compaction (and thus 
also repair) across the cluster, with all nodes producing the following errors 
in the logs:

{noformat}
016-07-14T09:29:47.96855 |srv=cassandra|ERROR: Exception in thread 
Thread[CompactionExecutor:3,1,main]
2016-07-14T09:29:47.96858 |srv=cassandra|java.lang.AssertionError: null
2016-07-14T09:29:47.96859 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$TombstoneTracker.openNew(UnfilteredDeserializer.java:650)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$UnfilteredIterator.hasNext(UnfilteredDeserializer.java:423)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer.hasNext(UnfilteredDeserializer.java:298)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.SSTableSimpleIterator$OldFormatIterator.readStaticRow(SSTableSimpleIterator.java:133)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96861 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.SSTableIdentityIterator.(SSTableIdentityIterator.java:57)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96861 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator$1.initializeIterator(BigTableScanner.java:334)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96862 |srv=cassandra|   at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.maybeInit(LazilyInitializedUnfilteredRowIterator.java:48)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96862 |srv=cassandra|   at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.isReverseOrder(LazilyInitializedUnfilteredRowIterator.java:70)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96863 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:109)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96863 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:100)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96864 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$Candidate.consume(MergeIterator.java:408)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96864 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:203)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96865 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:156)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96865 |srv=cassandra|   at 
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96866 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$2.hasNext(UnfilteredPartitionIterators.java:150)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96866 |srv=cassandra|   at 
org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:72)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96868 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:82)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96868 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96869 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:264)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96870 |srv=cassandra|   at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
~[na:1.8.0_91]
2016-07-14T09:29:47.96870 |srv=cassandra|   at 
java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_91]

[jira] [Updated] (CASSANDRA-12203) AssertionError on compaction after upgrade (2.1.9 -> 3.7)

2016-07-14 Thread Roman S. Borschel (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-12203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Roman S. Borschel updated CASSANDRA-12203:
--
Description: 
After upgrading a Cassandra cluster from 2.1.9 to 3.7, one column family (using 
SizeTieredCompaction) repeatedly and continuously failed compaction (and thus 
also repair) across the cluster, with all nodes producing the following errors 
in the logs:

{noformat}
016-07-14T09:29:47.96855 |srv=cassandra|ERROR: Exception in thread 
Thread[CompactionExecutor:3,1,main]
2016-07-14T09:29:47.96858 |srv=cassandra|java.lang.AssertionError: null
2016-07-14T09:29:47.96859 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$TombstoneTracker.openNew(UnfilteredDeserializer.java:650)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$UnfilteredIterator.hasNext(UnfilteredDeserializer.java:423)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer.hasNext(UnfilteredDeserializer.java:298)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.SSTableSimpleIterator$OldFormatIterator.readStaticRow(SSTableSimpleIterator.java:133)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96861 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.SSTableIdentityIterator.(SSTableIdentityIterator.java:57)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96861 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator$1.initializeIterator(BigTableScanner.java:334)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96862 |srv=cassandra|   at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.maybeInit(LazilyInitializedUnfilteredRowIterator.java:48)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96862 |srv=cassandra|   at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.isReverseOrder(LazilyInitializedUnfilteredRowIterator.java:70)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96863 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:109)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96863 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:100)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96864 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$Candidate.consume(MergeIterator.java:408)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96864 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:203)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96865 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:156)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96865 |srv=cassandra|   at 
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96866 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$2.hasNext(UnfilteredPartitionIterators.java:150)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96866 |srv=cassandra|   at 
org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:72)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96868 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:82)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96868 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96869 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:264)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96870 |srv=cassandra|   at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
~[na:1.8.0_91]
2016-07-14T09:29:47.96870 |srv=cassandra|   at 
java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_91]

[jira] [Created] (CASSANDRA-12203) AssertionError on compaction after upgrade (2.1.9 -> 3.7)

2016-07-14 Thread Roman S. Borschel (JIRA)
Roman S. Borschel created CASSANDRA-12203:
-

 Summary: AssertionError on compaction after upgrade (2.1.9 -> 3.7)
 Key: CASSANDRA-12203
 URL: https://issues.apache.org/jira/browse/CASSANDRA-12203
 Project: Cassandra
  Issue Type: Bug
  Components: Compaction
 Environment: Cassandra 3.7 (upgrade from 2.1.9)
Java version "1.8.0_91"
Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-83-generic x86_64)

Reporter: Roman S. Borschel


After upgrading a Cassandra cluster from 2.1.9 to 3.7, one column family (using 
SizeTieredCompaction) repeatedly and continuously fails compaction (and thus 
also repair) across the cluster, with all nodes producing the following errors 
in the logs:

{noformat}
016-07-14T09:29:47.96855 |srv=cassandra|ERROR: Exception in thread 
Thread[CompactionExecutor:3,1,main]
2016-07-14T09:29:47.96858 |srv=cassandra|java.lang.AssertionError: null
2016-07-14T09:29:47.96859 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$TombstoneTracker.openNew(UnfilteredDeserializer.java:650)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer$UnfilteredIterator.hasNext(UnfilteredDeserializer.java:423)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.db.UnfilteredDeserializer$OldFormatDeserializer.hasNext(UnfilteredDeserializer.java:298)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96860 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.SSTableSimpleIterator$OldFormatIterator.readStaticRow(SSTableSimpleIterator.java:133)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96861 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.SSTableIdentityIterator.(SSTableIdentityIterator.java:57)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96861 |srv=cassandra|   at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator$1.initializeIterator(BigTableScanner.java:334)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96862 |srv=cassandra|   at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.maybeInit(LazilyInitializedUnfilteredRowIterator.java:48)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96862 |srv=cassandra|   at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.isReverseOrder(LazilyInitializedUnfilteredRowIterator.java:70)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96863 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:109)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96863 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$1.reduce(UnfilteredPartitionIterators.java:100)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96864 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$Candidate.consume(MergeIterator.java:408)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96864 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:203)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96865 |srv=cassandra|   at 
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:156)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96865 |srv=cassandra|   at 
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) 
~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96866 |srv=cassandra|   at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$2.hasNext(UnfilteredPartitionIterators.java:150)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96866 |srv=cassandra|   at 
org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:72)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96867 |srv=cassandra|   at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96868 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:82)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96868 |srv=cassandra|   at 
org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60)
 ~[apache-cassandra-3.7.jar:3.7]
2016-07-14T09:29:47.96869 |srv=cassandra|   at