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Date: Mon, 4 Jun 2012 22:23:23 +0000 (UTC)
From: "Prashant Kommireddi (JIRA)" <jira@apache.org>
To: pig-dev@hadoop.apache.org
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Subject: [jira] [Commented] (PIG-2738) pig.exec.reducers.max has no default
 value
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    [ https://issues.apache.org/jira/browse/PIG-2738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288961#comment-13288961 ] 

Prashant Kommireddi commented on PIG-2738:
------------------------------------------

Hi Johannes,

Is pig-default.properties on your classpath? Max reducers is set in this file and should be loaded into Properties object by default.

{code}
    public PigServer(ExecType execType) throws ExecException {
        this(execType, PropertiesUtil.loadDefaultProperties());
    }
{code}

loadDefaultProperties looks for pig-default.properties 
{code}
    public static void loadDefaultProperties(Properties properties) {
        loadPropertiesFromFile(properties,
                System.getProperty("user.home") + "/.pigrc");
        loadPropertiesFromClasspath(properties, DEFAULT_PROPERTIES_FILE);
{code}

This should be present in your PIG_HOME/conf directory?
                
> 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
>         Attachments: set-default-for-pig-exec-reducers-max.patch
>
>
> 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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