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https://issues.apache.org/jira/browse/CASSANDRA-10178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Lerer updated CASSANDRA-10178:
---------------------------------------
    Component/s: CQL

> AssertionError inserting more than 8 values in 100-column table
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-10178
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10178
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>            Reporter: Jim Witschey
>            Assignee: Benjamin Lerer
>             Fix For: 3.0 beta 2
>
>         Attachments: 10178.txt
>
>
> I created a 100-column table of UUIDs, then inserted rows that didn't 
> populate every column. When I insert 8 values, the insertion completes 
> successfully. When I insert 9 values, the request fails with an 
> AssertionError:
> {code}
> ERROR [SharedPool-Worker-2] 2015-08-25 12:46:27,839 Message.java:611 - 
> Unexpected exception during request; channel = [id: 0xf0ea910e, 
> /127.0.0.1:57948 => /127.0.0.1:9042]
> java.lang.AssertionError: null
>         at 
> org.apache.cassandra.db.partitions.PartitionUpdate.add(PartitionUpdate.java:541)
>  ~[main/:na]
>         at 
> org.apache.cassandra.cql3.statements.UpdateStatement.addUpdateForKey(UpdateStatement.java:85)
>  ~[main/:na]
>         at 
> org.apache.cassandra.cql3.statements.ModificationStatement.getMutations(ModificationStatement.java:824)
>  ~[main/:na]
>         at 
> org.apache.cassandra.cql3.statements.ModificationStatement.executeWithoutCondition(ModificationStatement.java:611)
>  ~[main/:na]
>         at 
> org.apache.cassandra.cql3.statements.ModificationStatement.execute(ModificationStatement.java:599)
>  ~[main/:na]
>         at 
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:204)
>  ~[main/:na]
>         at 
> org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:235) 
> ~[main/:na]
>         at 
> org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:220) 
> ~[main/:na]
>         at 
> org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:123)
>  ~[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_45]
>         at 
> org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.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_45]
> {code}
> A Python script and shell harness for running CCM and starting the script can 
> be found here:
> https://gist.github.com/mambocab/b90c1b90d57653450e3c
> EDIT: I should note, I haven't reproduced this on 2.2.



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