Hadoop should provide a way to allow the user to specify jar file(s) the user
job depends on
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Key: HADOOP-1622
URL: https://issues.apache.org/jira/browse/HADOOP-1622
Project: Hadoop
Issue Type: Improvement
Reporter: Runping Qi
More likely than not, a user's job may depend on multiple jars.
Right now, when submitting a job through bin/hadoop, there is no way for the
user to specify that.
A walk around for that is to re-package all the dependent jars into a new jar
or put the dependent jar files in the lib dir of the new jar.
This walk around causes unnecessary inconvenience to the user. Furthermore, if
the user does not own the main function
(like the case when the user uses Aggregate, or datajoin, streaming), the user
has to re-package those system jar files too.
It is much desired that hadoop provides a clean and simple way for the user to
specify a list of dependent jar files at the time
of job submission. Someting like:
bin/hadoop .... --depending_jars j1.jar:j2.jar
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