[
https://issues.apache.org/jira/browse/CASSANDRA-10258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Philip Thompson updated CASSANDRA-10258:
----------------------------------------
Description:
We use CQLSStableWriter to produce testing datasets.
Here are the steps to reproduce this issue :
1) definition of a table with counter
{code}
CREATE TABLE my_counter (
my_id text,
my_counter counter,
PRIMARY KEY (my_id)
)
{code}
2) with CQLSSTableWriter initialize this table (about 2millions entries) with
this insert order (one insert / key only)
{{UPDATE myks.my_counter SET my_counter = my_counter + ? WHERE my_id = ?}}
3) load the files written by CQLSSTableWriter with sstableloader in your
cassandra cluster (tested on a single node and a 3 nodes cluster)
4) start a process that updates the counters (we used 3millions entries
distributed on the key my_id)
5) after a while try to query a key in the my_counter table
{{cqlsh:myks> select * from my_counter where my_id='0000001';}}
Request did not complete within rpc_timeout.
In the logs of cassandra (2.0.12) :
{code}
ERROR [CompactionExecutor:3] 2015-05-28 15:53:39,491 CassandraDaemon.java (line
258) Exception in thread Thread[CompactionExecutor:3,1,main]
java.lang.AssertionError: Wrong class type.
at
org.apache.cassandra.db.CounterUpdateColumn.reconcile(CounterUpdateColumn.java:70)
at
org.apache.cassandra.db.ArrayBackedSortedColumns.resolveAgainst(ArrayBackedSortedColumns.java:147)
at
org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:126)
at org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:121)
at
org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:120)
at
org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:115)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:112)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
at
org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:191)
at
org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:144)
at
org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:103)
at
org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:85)
at
org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:196)
at
org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:74)
at
org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:55)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:115)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
at
org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:164)
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
at
org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60)
at
org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
at
org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:198)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{code}
In the logs of cassandra v2.1.5 :
{code}
WARN [SharedPool-Worker-38] 2015-06-11 16:39:06,008
AbstractTracingAwareExecutorService.java:169 - Uncaught exception on thread
Thread[SharedPool-Worker-38,5,
main]: {}
java.lang.AssertionError: Wrong class type: class
org.apache.cassandra.db.BufferCounterUpdateCell
at
org.apache.cassandra.db.AbstractCell.reconcileCounter(AbstractCell.java:211)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.BufferCounterCell.reconcile(BufferCounterCell.java:118)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:122)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:116)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:114)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
~[guava-16.0.1.jar:na]
at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
~[guava-16.0.1.jar:na]
at
org.apache.cassandra.db.filter.NamesQueryFilter.collectReducedColumns(NamesQueryFilter.java:100)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:108)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:82)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:69)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:314)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:62)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1900)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1758)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:346)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:53)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.getCurrentValuesFromCFS(CounterMutation.java:262)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.getCurrentValues(CounterMutation.java:229)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.processModifications(CounterMutation.java:197)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.apply(CounterMutation.java:124)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.service.StorageProxy$8.runMayThrow(StorageProxy.java:1155)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2191)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
~[na:1.8.0_45]
at
org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)
[cassandra-all-2.1.5.469.jar:2.1.5.469]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
{code}
same exception as issue https://issues.apache.org/jira/browse/CASSANDRA-7188
was:
We use CQLSStableWriter to produce testing datasets.
Here are the steps to reproduce this issue :
1) definition of a table with counter
CREATE TABLE my_counter (
my_id text,
my_counter counter,
PRIMARY KEY (my_id)
)
2) with CQLSSTableWriter initialize this table (about 2millions entries) with
this insert order (one insert / key only)
UPDATE myks.my_counter SET my_counter = my_counter + ? WHERE my_id = ?
3) load the files written by CQLSSTableWriter with sstableloader in your
cassandra cluster (tested on a single node and a 3 nodes cluster)
4) start a process that updates the counters (we used 3millions entries
distributed on the key my_id)
5) after a while try to query a key in the my_counter table
cqlsh:myks> select * from my_counter where my_id='0000001';
Request did not complete within rpc_timeout.
In the logs of cassandra (2.0.12) :
{code}
ERROR [CompactionExecutor:3] 2015-05-28 15:53:39,491 CassandraDaemon.java (line
258) Exception in thread Thread[CompactionExecutor:3,1,main]
java.lang.AssertionError: Wrong class type.
at
org.apache.cassandra.db.CounterUpdateColumn.reconcile(CounterUpdateColumn.java:70)
at
org.apache.cassandra.db.ArrayBackedSortedColumns.resolveAgainst(ArrayBackedSortedColumns.java:147)
at
org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:126)
at org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:121)
at
org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:120)
at
org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:115)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:112)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
at
org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:191)
at
org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:144)
at
org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:103)
at
org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:85)
at
org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:196)
at
org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:74)
at
org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:55)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:115)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
at
org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:164)
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
at
org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60)
at
org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
at
org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:198)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{code}
In the logs of cassandra v2.1.5 :
{code}
WARN [SharedPool-Worker-38] 2015-06-11 16:39:06,008
AbstractTracingAwareExecutorService.java:169 - Uncaught exception on thread
Thread[SharedPool-Worker-38,5,
main]: {}
java.lang.AssertionError: Wrong class type: class
org.apache.cassandra.db.BufferCounterUpdateCell
at
org.apache.cassandra.db.AbstractCell.reconcileCounter(AbstractCell.java:211)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.BufferCounterCell.reconcile(BufferCounterCell.java:118)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:122)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:116)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:114)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
~[guava-16.0.1.jar:na]
at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
~[guava-16.0.1.jar:na]
at
org.apache.cassandra.db.filter.NamesQueryFilter.collectReducedColumns(NamesQueryFilter.java:100)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:108)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:82)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:69)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:314)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:62)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1900)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1758)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:346)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:53)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.getCurrentValuesFromCFS(CounterMutation.java:262)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.getCurrentValues(CounterMutation.java:229)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.processModifications(CounterMutation.java:197)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.db.CounterMutation.apply(CounterMutation.java:124)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.service.StorageProxy$8.runMayThrow(StorageProxy.java:1155)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2191)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
~[na:1.8.0_45]
at
org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)
[cassandra-all-2.1.5.469.jar:2.1.5.469]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
{code}
same exception as issue https://issues.apache.org/jira/browse/CASSANDRA-7188
> Counter table written with CQLSSTableWriter generates exceptions and become
> corrupted at first use
> --------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-10258
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10258
> Project: Cassandra
> Issue Type: Bug
> Components: API
> Environment: Linux Debian Wheezie 7.8 / Oracle Java 1.7.0_67
> Ubuntu 14.04.3 LTS / Oracle Java 1.7.0_75
> Cassandra 2.0.12 2.1.5 2.1.8
> Reporter: Guillaume VIEL
> Fix For: 2.1.x
>
>
> We use CQLSStableWriter to produce testing datasets.
> Here are the steps to reproduce this issue :
> 1) definition of a table with counter
> {code}
> CREATE TABLE my_counter (
> my_id text,
> my_counter counter,
> PRIMARY KEY (my_id)
> )
> {code}
> 2) with CQLSSTableWriter initialize this table (about 2millions entries) with
> this insert order (one insert / key only)
> {{UPDATE myks.my_counter SET my_counter = my_counter + ? WHERE my_id = ?}}
> 3) load the files written by CQLSSTableWriter with sstableloader in your
> cassandra cluster (tested on a single node and a 3 nodes cluster)
> 4) start a process that updates the counters (we used 3millions entries
> distributed on the key my_id)
> 5) after a while try to query a key in the my_counter table
> {{cqlsh:myks> select * from my_counter where my_id='0000001';}}
> Request did not complete within rpc_timeout.
> In the logs of cassandra (2.0.12) :
> {code}
> ERROR [CompactionExecutor:3] 2015-05-28 15:53:39,491 CassandraDaemon.java
> (line 258) Exception in thread Thread[CompactionExecutor:3,1,main]
> java.lang.AssertionError: Wrong class type.
> at
> org.apache.cassandra.db.CounterUpdateColumn.reconcile(CounterUpdateColumn.java:70)
> at
> org.apache.cassandra.db.ArrayBackedSortedColumns.resolveAgainst(ArrayBackedSortedColumns.java:147)
> at
> org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:126)
> at
> org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:121)
> at
> org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:120)
> at
> org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:115)
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:112)
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> at
> org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:191)
> at
> org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:144)
> at
> org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:103)
> at
> org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:85)
> at
> org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:196)
> at
> org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:74)
> at
> org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:55)
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:115)
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> at
> org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:164)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60)
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:198)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> In the logs of cassandra v2.1.5 :
> {code}
> WARN [SharedPool-Worker-38] 2015-06-11 16:39:06,008
> AbstractTracingAwareExecutorService.java:169 - Uncaught exception on thread
> Thread[SharedPool-Worker-38,5,
> main]: {}
> java.lang.AssertionError: Wrong class type: class
> org.apache.cassandra.db.BufferCounterUpdateCell
> at
> org.apache.cassandra.db.AbstractCell.reconcileCounter(AbstractCell.java:211)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.BufferCounterCell.reconcile(BufferCounterCell.java:118)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:122)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:116)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:114)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> ~[guava-16.0.1.jar:na]
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> ~[guava-16.0.1.jar:na]
> at
> org.apache.cassandra.db.filter.NamesQueryFilter.collectReducedColumns(NamesQueryFilter.java:100)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:108)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:82)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:69)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:314)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:62)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1900)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1758)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:346)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:53)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.CounterMutation.getCurrentValuesFromCFS(CounterMutation.java:262)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.CounterMutation.getCurrentValues(CounterMutation.java:229)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.CounterMutation.processModifications(CounterMutation.java:197)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.db.CounterMutation.apply(CounterMutation.java:124)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.service.StorageProxy$8.runMayThrow(StorageProxy.java:1155)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2191)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_45]
> at
> org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
> ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)
> [cassandra-all-2.1.5.469.jar:2.1.5.469]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
> {code}
> same exception as issue https://issues.apache.org/jira/browse/CASSANDRA-7188
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