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https://issues.apache.org/jira/browse/HADOOP-958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468452
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Milind Bhandarkar commented on HADOOP-958:
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Here is what I see when I build from command line:
compile-core-classes:
[javac] Compiling 271 source files to
/Users/milindb/Documents/workspace/hadoop/build/classes
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
> Building Hadoop results in a lot of warnings
> --------------------------------------------
>
> Key: HADOOP-958
> URL: https://issues.apache.org/jira/browse/HADOOP-958
> Project: Hadoop
> Issue Type: Improvement
> Reporter: eric baldeschwieler
>
> We are getting hundreds of warnings right now. Most of these are a result of
> our transition to 1.5 and deprecated uses of generics. We should still fix
> these, since producing lots of warnings:
> A) Leads to the perception that our code is of low quality
> B) Can mask warnings that come from real issues.
> ---
> I suggest we do two things
> 1) Submit a patch or set of patches to clean this up
> 2) Change our patch tester to validate that the number of warnings per build
> did not go up with this patch
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