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https://issues.apache.org/jira/browse/MAPREDUCE-5530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13783639#comment-13783639
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Hadoop QA commented on MAPREDUCE-5530:
--------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12606222/MAPREDUCE-5530.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4078//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4078//console
This message is automatically generated.
> Binary and source incompatibility in mapred.lib.CombineFileInputFormat
> between branch-1 and branch-2
> ----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5530
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5530
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv1, mrv2
> Affects Versions: 2.1.1-beta
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Priority: Blocker
> Attachments: MAPREDUCE-5530.patch, MAPREDUCE-5530.patch,
> MAPREDUCE-5530.patch, MAPREDUCE-5530.patch
>
>
> {{mapred.lib.CombineFileInputFormat}} in branch-1 has this method:
> {code:java}
> protected boolean isSplitable(FileSystem fs, Path file)
> {code}
> In branch-2, {{mapred.lib.CombineFileInputFormat}} is now a subclass of
> {{mapreduce.lib.input.CombineFileInputFormat}}, from which it inherits the
> similar method:
> {code:java}
> protected boolean isSplitable(JobContext context, Path file)
> {code}
> This means that any code that subclasses
> {{mapred.lib.CombineFileInputFormat}} and does not provide its own
> implementation of {{protected boolean isSplitable(FileSystem fs, Path file)}}
> will not be binary or source compatible if it tries to call {{isSplitable}}
> with a {{FileSystem}} argument anywhere (that is, if compiled against
> branch-1, it will throw a {{NoSuchMethodError}} if run against branch-2;
> also, it won't even compile against branch-2).
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