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From "Blake Eggleston (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10254) invalid client PagingState makes it past validation
Date Thu, 03 Sep 2015 03:29:45 GMT
Blake Eggleston created CASSANDRA-10254:
-------------------------------------------

             Summary: invalid client PagingState makes it past validation 
                 Key: CASSANDRA-10254
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10254
             Project: Cassandra
          Issue Type: Bug
            Reporter: Blake Eggleston


When running the upgrade dtest {{TestCQL.static_columns_with_distinct_test}}, the client appears
to be passing in an invalid paging state (no cell name). Instead of catching the problem in
validation and returning an error to the client, the select statement tries to run it, causing
this exception:

{noformat}
ERROR QueryMessage.java:135 - Unexpected error during query
java.lang.ClassCastException: org.apache.cassandra.db.composites.Composites$EmptyComposite
cannot be cast to org.apache.cassandra.db.composites.CellName
	at org.apache.cassandra.service.pager.SliceQueryPager.<init>(SliceQueryPager.java:64)
~[main/:na]
	at org.apache.cassandra.service.pager.MultiPartitionPager.makePager(MultiPartitionPager.java:93)
~[main/:na]
	at org.apache.cassandra.service.pager.MultiPartitionPager.<init>(MultiPartitionPager.java:75)
~[main/:na]
	at org.apache.cassandra.service.pager.QueryPagers.pager(QueryPagers.java:102) ~[main/:na]
	at org.apache.cassandra.service.pager.QueryPagers.pager(QueryPagers.java:126) ~[main/:na]
	at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:228)
~[main/:na]
	at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:67)
~[main/:na]
	at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:238) ~[main/:na]
	at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:260) ~[main/:na]
	at org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:122) ~[main/:na]
	at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:439) [main/:na]
	at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:335) [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_40]
	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_40]
{noformat}

Running {code} UPGRADE_MODE=none nosetests upgrade_tests/cql_tests.py:TestCQL.static_columns_with_distinct_test{code}
should cause the error.



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