Job Tracker should be able to refresh classpath without restarting
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Key: HADOOP-6695
URL: https://issues.apache.org/jira/browse/HADOOP-6695
Project: Hadoop Common
Issue Type: Improvement
Components: conf
Affects Versions: 0.20.1
Reporter: Ted Yu
When I tried to run HBase export in cluster mode, I copied zookeeper-3.2.1.jar
to hadoop lib directory.
But initial attempts failed with java.lang.ClassNotFoundException because job
tracker wasn't restarted.
It is desirable for job tracker to pick up new classpath without restarting
which is sometimes hard to do in production environment.
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