Keith Turner created ACCUMULO-1050:
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Summary: Master assumes tserver lost lock when it fails to get lock
Key: ACCUMULO-1050
URL: https://issues.apache.org/jira/browse/ACCUMULO-1050
Project: Accumulo
Issue Type: Bug
Components: master
Affects Versions: 1.4.0
Reporter: Keith Turner
Assignee: Eric Newton
There is code in the master like the following.
{code}
if (!lock.isLocked() && !watcher.gotLock && watcher.failureException == null)
{
//assume tserver there
}else{
//assume tserver lost lock
}
{code}
In the else the master assumes it got the tserver lock and therefore the
tserver lost its lock. But the else could execute when the master failed to
get a lock. This may cause the master to kill tablet server when there is no
reason to.
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