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https://issues.apache.org/jira/browse/CASSANDRA-13149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15858827#comment-15858827
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Steven Warren commented on CASSANDRA-13149:
-------------------------------------------
That is what I initially suspected and so confirmed ntp on all servers (and the
client machine as well). This bit of code seems to be sensitive down to the
millisecond so not sure ntp would help with that in any case.
> AssertionError prepending to a list
> -----------------------------------
>
> Key: CASSANDRA-13149
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13149
> Project: Cassandra
> Issue Type: Bug
> Components: CQL
> Environment: 3.0.8
> Reporter: Steven Warren
>
> Prepending to a list produces the following AssertionError randomly. Changing
> the update to append (and sort in the client) works around the issue.
> {code}
> java.lang.AssertionError: null
> at
> org.apache.cassandra.cql3.Lists$PrecisionTime.getNext(Lists.java:275)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at org.apache.cassandra.cql3.Lists$Prepender.execute(Lists.java:430)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.statements.UpdateStatement.addUpdateForKey(UpdateStatement.java:94)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.statements.ModificationStatement.addUpdates(ModificationStatement.java:682)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.statements.ModificationStatement.getMutations(ModificationStatement.java:613)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.statements.ModificationStatement.executeWithoutCondition(ModificationStatement.java:420)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.statements.ModificationStatement.execute(ModificationStatement.java:408)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:206)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:487)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:464)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:130)
> ~[apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:507)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:401)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:32)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:324)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_101]
> at
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)
> [apache-cassandra-3.0.8.jar:3.0.8]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101]
> {code}
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