Sean Busbey created ACCUMULO-2224:
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Summary: ZooSession should be more robust to transient DNS issues
Key: ACCUMULO-2224
URL: https://issues.apache.org/jira/browse/ACCUMULO-2224
Project: Accumulo
Issue Type: Bug
Components: client
Affects Versions: 1.5.0, 1.4.4, 1.4.3, 1.4.2, 1.4.1
Environment: 1.4.5-SNAP on CDH4 w/gremlins
Reporter: Sean Busbey
Assignee: Sean Busbey
Fix For: 1.4.5, 1.5.1, 1.6.0
While injecting network faults, I found that transient DNS problems caused us
to bail out of ZooSessions rather than retrying as we do for all other IO
problems. We should retry these failures just as we do for Connection Refused
or other networking problems.
Since the addition of ACCUMULO-131, we can be sure that we won't retry actual
invalid hosts for ever. Instead, after the time out period that holds for all
other problems we'll properly exit.
The warn messages logged for IOExceptions should suffice to indicate improperly
specified host names.
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