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From "Surendra Singh Lilhore (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15608) File expansion should be disable in hadoop-functions.sh when iterate over HADOOP_CLASSPATH
Date Mon, 16 Jul 2018 09:23:00 GMT
Surendra Singh Lilhore created HADOOP-15608:
-----------------------------------------------

             Summary: 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


 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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