[jira] [Commented] (HADOOP-15608) File expansion should be disable in hadoop-functions.sh when iterate over HADOOP_CLASSPATH

["Surendra Singh Lilhore (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-15608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16574398#comment-16574398 ] 

Surendra Singh Lilhore commented on HADOOP-15608:
-------------------------------------------------

[~aw], Pls can you review once..

> File expansion should be disable in hadoop-functions.sh when iterate over HADOOP_CLASSPATH
> ------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15608
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15608
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Surendra Singh Lilhore
>            Assignee: Surendra Singh Lilhore
>            Priority: Major
>         Attachments: HADOOP-15608.01.patch
>
>
>  When the HADOOP_CLASSPATH set from outside and it use "wildcard characters" then forloop in hadoop-funtions.sh expand it. This will case "Argument list too long" exception for JVM.
> Example:
> Suppose HADOOP_CLASSPATH value is "/lib/*:/opt/example.jar"
> Now this code 
> {code}
>     for idx in $(echo "${HADOOP_CLASSPATH}" | tr : '\n'); do
>       array[${c}]=${idx}
>       ((c=c+1))
>     done
> {code}
> it will expand /lib/* directory and add all the jars inside /lib in classpath. This should not append.
> CC : [~aw]



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