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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (CASSANDRA-21) get_columns_in fails when when routed to a node that isn't the home for the key
Date Fri, 24 Apr 2009 20:54:31 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-21?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis reassigned CASSANDRA-21:
---------------------------------------

    Assignee: Sandeep Tata

> get_columns_in fails when when routed to a node that isn't the home for the key
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-21
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: all
>            Reporter: Sandeep Tata
>            Assignee: Sandeep Tata
>         Attachments: patch_readmessage.txt, ReadMessageTest.java
>
>
> get_columns_in fails when the request cannot be satisfied locally.
> What steps will reproduce the problem?
> 1. Insert multiple columns in some row R in a Cassandra cluster that 
> contains more than 1 node.
> 2. Submit a get_columns_in query to a bunch of nodes. Using the python thrift 
> interface, this is something  like: 
> ./Cassandra-remote -h node0:9160 get_columns_in 'Mailbox' 'rowid123' 
> 'HeaderList' "['col1','col2']"
> ./Cassandra-remote -h node1:9160 get_columns_in 'Mailbox' 'rowid123' 
> 'HeaderList' "['col1','col2']"
>  
> I've traced the error to a bug in how ReadMessage.java gets de-serialized. See attached
unit-test to reproduce this.
> I'm also attaching a patch that fixes this.

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