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From "Benjamin Lerer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10277) Empty BATCH throws exception in Cassandra
Date Wed, 16 Sep 2015 19:21:45 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14790989#comment-14790989
] 

Benjamin Lerer commented on CASSANDRA-10277:
--------------------------------------------

* the unit test results for 2.2 are [here|http://cassci.datastax.com/view/Dev/view/blerer/job/blerer-10277-2.2-testall/1/]
* the dtest results for 2.2 are [here|http://cassci.datastax.com/view/Dev/view/blerer/job/blerer-10277-2.2-dtest/1/]
* the unit test results for 3.0 are [here|http://cassci.datastax.com/view/Dev/view/blerer/job/blerer-10277-3.0-dtest/2/]
* the dtest results for 3.0 are [here|http://cassci.datastax.com/view/Dev/view/blerer/job/blerer-10277-3.0-testall/2/]

+1

Thanks for patch


> Empty BATCH throws exception in Cassandra
> -----------------------------------------
>
>                 Key: CASSANDRA-10277
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10277
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Vovodroid
>            Priority: Minor
>             Fix For: 2.2.2
>
>         Attachments: 10277.txt, emptybatch.patch, emptytest.patch
>
>
> Connect to Cassandra with cqlsh and perform empty BATCH statement:
> {code}BEGIN BATCH  APPLY BATCH;{code}
> Following exception is thrown and logged
> {code}
> ERROR 14:02:07 Unexpected exception during request
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> 	at java.util.ArrayList.rangeCheck(ArrayList.java:653) ~[na:1.8.0_45]
> 	at java.util.ArrayList.get(ArrayList.java:429) ~[na:1.8.0_45]
> 	at org.apache.cassandra.cql3.statements.BatchStatement$Parsed.prepare(BatchStatement.java:514)
~[main/:na]
> ...........................
> {code}
> It's caused because of access to batch statement list, even if it's empty.
> Proposed patch (for 2.2.0) is attached.



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