Sam Tunnicliffe created CASSANDRA-9037:
------------------------------------------

             Summary: Terminal UDFs evaluated at prepare time throw protocol 
version error
                 Key: CASSANDRA-9037
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9037
             Project: Cassandra
          Issue Type: Bug
            Reporter: Sam Tunnicliffe
            Assignee: Sam Tunnicliffe
             Fix For: 3.0


When a pure function with only terminal arguments (or with no arguments) is 
used in a where clause, it's executed at prepare time and 
{{Server.CURRENT_VERSION}} passed as the protocol version for serialization 
purposes. For native functions, this isn't a problem, but UDFs use classes in 
the bundled java-driver-core jar for (de)serialization of args and return 
values. When {{Server.CURRENT_VERSION}} is greater than the highest version 
supported by the bundled java driver the execution fails with the following 
exception:

{noformat}
ERROR [SharedPool-Worker-1] 2015-03-24 18:10:59,391 QueryMessage.java:132 - 
Unexpected error during query
org.apache.cassandra.exceptions.FunctionExecutionException: execution of 
'ks.overloaded[text]' failed: java.lang.IllegalArgumentException: No protocol 
version matching integer version 4
    at 
org.apache.cassandra.exceptions.FunctionExecutionException.create(FunctionExecutionException.java:35)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.udf.gen.Cksoverloaded_1.execute(Cksoverloaded_1.java) 
~[na:na]
    at 
org.apache.cassandra.cql3.functions.FunctionCall.executeInternal(FunctionCall.java:78)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.functions.FunctionCall.access$200(FunctionCall.java:34)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.functions.FunctionCall$Raw.execute(FunctionCall.java:176)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.functions.FunctionCall$Raw.prepare(FunctionCall.java:161)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.SingleColumnRelation.toTerm(SingleColumnRelation.java:108)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.SingleColumnRelation.newEQRestriction(SingleColumnRelation.java:143)
 ~[main/:na]
    at org.apache.cassandra.cql3.Relation.toRestriction(Relation.java:127) 
~[main/:na]
    at 
org.apache.cassandra.cql3.restrictions.StatementRestrictions.<init>(StatementRestrictions.java:126)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.prepareRestrictions(SelectStatement.java:787)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.prepare(SelectStatement.java:740)
 ~[main/:na]
    at 
org.apache.cassandra.cql3.QueryProcessor.getStatement(QueryProcessor.java:488) 
~[main/:na]
    at 
org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:252) 
~[main/:na]
    at 
org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:246) 
~[main/:na]
    at 
org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:119)
 ~[main/:na]
    at 
org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:475)
 [main/:na]
    at 
org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:371)
 [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:471) 
[na:1.7.0_71]
    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:1.7.0_71]
Caused by: java.lang.IllegalArgumentException: No protocol version matching 
integer version 4
    at 
com.datastax.driver.core.ProtocolVersion.fromInt(ProtocolVersion.java:89) 
~[cassandra-driver-core-2.1.2.jar:na]
    at 
org.apache.cassandra.cql3.functions.UDFunction.compose(UDFunction.java:177) 
~[main/:na]
    ... 25 common frames omitted
{noformat}

This is currently the case on trunk following the bump of 
{{Server.CURRENT_VERSION}} to 4 by CASSANDRA-7660.



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