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From "sfescape@gmail.com" <sfesc...@gmail.com>
Subject Re: 3.0.8 AssertionError
Date Tue, 24 Jan 2017 18:46:28 GMT
I've traced this down to attempting to prepend to a list field. I was able
to workaround the issue by appending (and then sorting on query).
Prepending seems to build a timeuuid to manage the change, and it's that
step that produces the assertionerror (sometimes).

On Thu, Jan 19, 2017 at 10:56 AM sfescape@gmail.com <sfescape@gmail.com>
wrote:

> The first time a client connects to the cluster and sends a bunch of
> inserts in parallel I get this assertion error. All subsequent inserts
> (including just retrying the first requests) work fine. The only assert in
> PrecisionTime is checking if the millis argument is <= the current millis.
> What could cause this to not be true, and what can I do to avoid/fix it?
>
> 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]
>

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