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https://issues.apache.org/jira/browse/PIG-909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739351#action_12739351
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Daniel Dai commented on PIG-909:
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Hi, Dmitriy
Sorry if my previous comments confuse you. What I mean is pig script is 
generating the following command line:

java -Xmx1000m -Dpig.log.dir=$PIG_HOME/bin/../logs -Dpig.log.file=pig.log 
-Dpig.home.dir=$PIG_HOME/bin/.. -Dpig.root.logger=INFO,console,DRFA -classpath 
$PIG_HOME/bin/../conf:/usr/java/default//lib/tools.jar:$PIG_HOME/bin/../build/classes:$PIG_HOME/bin/../build/test/classes:$PIG_HOME/bin/../pig-*-core.jar:$PIG_HOME/bin/../build/pig-*-core.jar:$PIG_HOME/bin/../lib/hadoop18.jar:$PIG_HOME/bin/../lib/hbase-0.18.1.jar:$PIG_HOME/bin/../lib/hbase-0.18.1-test.jar
 org.apache.pig.Main

"-classpath" does not include all libraries required by Pig, so just run the 
scripts will generate error. It does not related to your patch.

> Allow Pig executable to use hadoop jars not bundled with pig
> ------------------------------------------------------------
>
>                 Key: PIG-909
>                 URL: https://issues.apache.org/jira/browse/PIG-909
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Dmitriy V. Ryaboy
>            Priority: Minor
>         Attachments: pig_909.patch
>
>
> The current pig executable (bin/pig) looks for a file named 
> hadoop${PIG_HADOOP_VERSION}.jar that comes bundled with Pig.
> The proposed change will allow Pig to look in $HADOOP_HOME for the hadoop 
> jars, if that variable is set.

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