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https://issues.apache.org/jira/browse/CASSANDRA-11128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ryan McGuire updated CASSANDRA-11128:
-------------------------------------
    Fix Version/s: 3.0.x

> Unexpected exception during request; AssertionError: null
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-11128
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11128
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Russ Hatch
>             Fix For: 3.0.x
>
>
> Post upgrade from 2.1 to 3.0.3 (3.0.3-tentative) I'm intermittently seeing 
> this exception:
> {noformat}
> ['ERROR [SharedPool-Worker-3] 2016-02-05 22:38:08,444 Message.java:611 - 
> Unexpected exception during request; channel = [id: 0xb5fa21d0, 
> /127.0.0.1:46096 => /127.0.0.1:9042]\njava.lang.AssertionError: null 
> org.apache.cassandra.db.ReadCommand$Serializer.serializedSize(ReadCommand.java:619)
>  ~[main/:na] 
> org.apache.cassandra.db.ReadCommand$Serializer.serializedSize(ReadCommand.java:523)
>  ~[main/:na]
> at org.apache.cassandra.net.MessageOut.payloadSize(MessageOut.java:166) 
> ~[main/:na]
> at 
> org.apache.cassandra.net.OutboundTcpConnectionPool.getConnection(OutboundTcpConnectionPool.java:72)
>  ~[main/:na]
> at 
> org.apache.cassandra.net.MessagingService.getConnection(MessagingService.java:609)
>  ~[main/:na]
> at 
> org.apache.cassandra.net.MessagingService.sendOneWay(MessagingService.java:758)
>  ~[main/:na]
> at 
> org.apache.cassandra.net.MessagingService.sendRR(MessagingService.java:701) 
> ~[main/:na]
> at 
> org.apache.cassandra.net.MessagingService.sendRRWithFailure(MessagingService.java:684)
>  ~[main/:na]
> at 
> org.apache.cassandra.service.AbstractReadExecutor.makeRequests(AbstractReadExecutor.java:110)
>  ~[main/:na]
> at 
> org.apache.cassandra.service.AbstractReadExecutor.makeDataRequests(AbstractReadExecutor.java:85)
>  ~[main/:na]
> at 
> org.apache.cassandra.service.AbstractReadExecutor$SpeculatingReadExecutor.executeAsync(AbstractReadExecutor.java:264)
>  ~[main/:na]
> at 
> org.apache.cassandra.service.StorageProxy$SinglePartitionReadLifecycle.doInitialQueries(StorageProxy.java:1689)
>  ~[main/:na]
> at 
> org.apache.cassandra.service.StorageProxy.fetchRows(StorageProxy.java:1644) 
> ~[main/:na]
> at 
> org.apache.cassandra.service.StorageProxy.readRegular(StorageProxy.java:1591) 
> ~[main/:na]
> at org.apache.cassandra.service.StorageProxy.read(StorageProxy.java:1510) 
> ~[main/:na]
> at 
> org.apache.cassandra.db.SinglePartitionReadCommand.execute(SinglePartitionReadCommand.java:302)
>  ~[main/:na]
> at 
> org.apache.cassandra.service.pager.AbstractQueryPager.fetchPage(AbstractQueryPager.java:67)
>  ~[main/:na]
> at 
> org.apache.cassandra.service.pager.SinglePartitionPager.fetchPage(SinglePartitionPager.java:34)
>  ~[main/:na]
> at 
> org.apache.cassandra.cql3.statements.SelectStatement$Pager$NormalPager.fetchPage(SelectStatement.java:302)
>  ~[main/:na]
> at 
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:338)
>  ~[main/:na]
> at 
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:214)
>  ~[main/:na]
> at 
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:76)
>  ~[main/:na]
> at 
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:206)
>  ~[main/:na]
> at 
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:472)
>  ~[main/:na]
> at 
> org.apache.cassandra.cql3.QueryProcessor.processPrepared(QueryProcessor.java:449)
>  ~[main/:na]
> at 
> org.apache.cassandra.transport.messages.ExecuteMessage.execute(ExecuteMessage.java:130)
>  ~[main/:na]
> at 
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:507)
>  [main/:na]
> at 
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:401)
>  [main/:na]
> 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_51]
> at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
>  [main/:na]
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) 
> [main/:na]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_51]']
> {noformat}



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