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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CASSANDRA-4532) NPE when trying to select a slice from a composite table
Date Thu, 06 Sep 2012 13:43:10 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sylvain Lebresne reassigned CASSANDRA-4532:
-------------------------------------------

    Assignee: Sylvain Lebresne
    
> NPE when trying to select a slice from a composite table
> --------------------------------------------------------
>
>                 Key: CASSANDRA-4532
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4532
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API, Core
>    Affects Versions: 1.1.3
>         Environment: Cassandra 1.1.3 (2 nodes) on a single host - mac osx
>            Reporter: basanth gowda
>            Assignee: Sylvain Lebresne
>            Priority: Minor
>              Labels: Slice, cql, cql3
>             Fix For: 1.1.6
>
>         Attachments: 4532.txt
>
>
> I posted this question on StackOverflow, because i need a solution. 
> Created a table with :
> {noformat}
> create table compositetest(m_id ascii,i_id int,l_id ascii,body ascii, PRIMARY KEY(m_id,i_id,l_id));
> {noformat}
> wanted to slice the results returned, so did something like below, not sure if its the
right way. The first one returns data perfectly as expected, second one to get the next 3
columns closes the transport of my cqlsh
> {noformat}
> cqlsh:testkeyspace1> select * from compositetest where i_id<=3 limit 3;
>  m_id | i_id | l_id | body
> ------+------+------+------
>    m1 |    1 |   l1 |   b1
>    m1 |    2 |   l2 |   b2
>    m2 |    1 |   l1 |   b1
> cqlsh:testkeyspace1> Was trying to write something for slice range.
> TSocket read 0 bytes
> {noformat}
> Is there a way to achieve what I am doing here, it would be good if some meaning ful
error is sent back, instead of cqlsh closing the transport.
> On the server side I see the following error.
> {noformat}
> ERROR [Thrift:3] 2012-08-12 15:15:24,414 CustomTThreadPoolServer.java (line 204) Error
occurred during processing of message.
> java.lang.NullPointerException
> 	at org.apache.cassandra.cql3.statements.SelectStatement$Restriction.setBound(SelectStatement.java:1277)
> 	at org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.updateRestriction(SelectStatement.java:1151)
> 	at org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.prepare(SelectStatement.java:1001)
> 	at org.apache.cassandra.cql3.QueryProcessor.getStatement(QueryProcessor.java:215)
> 	at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:121)
> 	at org.apache.cassandra.thrift.CassandraServer.execute_cql_query(CassandraServer.java:1237)
> 	at org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:3542)
> 	at org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:3530)
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32)
> 	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34)
> 	at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:186)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:680)
> {noformat}
> With ThriftClient I get :
> {noformat}
> org.apache.thrift.transport.TTransportException
> 	at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
> 	at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
> 	at org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:129)
> 	at org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
> 	at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
> 	at org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
> 	at org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
> 	at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
> 	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
> 	at org.apache.cassandra.thrift.Cassandra$Client.recv_execute_cql_query(Cassandra.java:1402)
> 	at org.apache.cassandra.thrift.Cassandra$Client.execute_cql_query(Cassandra.java:1388)
> {noformat}

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