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https://issues.apache.org/jira/browse/PIG-2738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289286#comment-13289286
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Johannes Schwenk commented on PIG-2738:
---------------------------------------

As Arvind Prabhakar has discovered there are differences between the svn 
version tagges release-0.10.0 and the tar.gz version that is advertised as 
release version 0.10.0 for download from apache.org... I use the tar.gz which 
does not contain the PIG_HOME/conf/pig-default.properties !

That said maybe there could be a warning if the file is missing during ant 
build? That way unsuspecting developers would not spend hours on debugging this.
                
> pig.exec.reducers.max has no default value
> ------------------------------------------
>
>                 Key: PIG-2738
>                 URL: https://issues.apache.org/jira/browse/PIG-2738
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.10.0
>         Environment: Kubuntu 12.04 64Bit
>            Reporter: Johannes Schwenk
>
> setDefaultsIfUnset in org/apache/pig/impl/util/PropertiesUtil.java does not 
> set pig.exec.reducers.max to 999 as documented. As a consequence 
> testDefaultPigProperties in org.apache.pig.test.TestPigServer fails with a 
> NullPointerException accessing the property.

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