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Posted to common-issues@hadoop.apache.org by "Raja Aluri (JIRA)" <ji...@apache.org> on 2013/07/02 20:45:19 UTC
[jira] [Updated] (HADOOP-9685) hadoop-config.cmd: builds a
classpath that is too long on windows
[ https://issues.apache.org/jira/browse/HADOOP-9685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raja Aluri updated HADOOP-9685:
-------------------------------
Attachment: HADOOP-9685.branch-1-win.patch
> hadoop-config.cmd: builds a classpath that is too long on windows
> -----------------------------------------------------------------
>
> Key: HADOOP-9685
> URL: https://issues.apache.org/jira/browse/HADOOP-9685
> Project: Hadoop Common
> Issue Type: Bug
> Components: bin
> Affects Versions: 1-win
> Reporter: Raja Aluri
> Assignee: Raja Aluri
> Fix For: 1-win
>
> Attachments: HADOOP-9685.branch-1-win.patch
>
>
> hadoop-config.cmd, sets the class path by listing each jar file to the CLASAPATH. Many times the downstream components use hadoop_config.cmd to set the CLASAPATH for hadoop jars. After adding their own class path, many times the classpath length is hitting the windows command lenght limit.
> We should try to use classpath wildcards to reduce the length of the classpath.
> http://docs.oracle.com/javase/6/docs/technotes/tools/windows/classpath.html
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