exception while doing RPC I/O closes channel
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Key: HADOOP-6762
URL: https://issues.apache.org/jira/browse/HADOOP-6762
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 0.20.2
Reporter: sam rash
If a single process creates two unique fileSystems to the same NN using
FileSystem.newInstance(), and one of them issues a close(), the leasechecker
thread is interrupted. This interrupt races with the rpc namenode.renew() and
can cause a ClosedByInterruptException. This closes the underlying channel and
the other filesystem, sharing the connection will get errors.
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