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From "Jonathan Ellis (Commented) (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3520) Unit test are hanging on 0.8 branch
Date Mon, 28 Nov 2011 14:28:40 GMT


Jonathan Ellis commented on CASSANDRA-3520:

+1, but can we add a system test w/ a non-durable ks to help prevent regressions?
> Unit test are hanging on 0.8 branch
> -----------------------------------
>                 Key: CASSANDRA-3520
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tests
>         Environment: Linux
>            Reporter: Sylvain Lebresne
>             Fix For: 0.8.8
>         Attachments: 0001-Use-durable-writes-for-system-ks.patch, 3520.patch
> As the summary says, the unit test on current 0.8 are just hanging after CliTest (it's
apparently not the case on windows, but it is on Linux and MacOSX).
> Not sure what's going on, but what I can tell is that it's enough to run CliTest to have
it hang after the test successfully pass (i.e, JUnit just wait indefinitely for the VM to
exit). Even weirder, it seems that it is the counter increment in the CliTest that make it
hang, if you comment those statement, it stop hanging. However, nothing seems to go wrong
with the increment itself (the test passes) and it doesn't even trigger anything (typically
sendToHintedEndpoint is not called because there is only one node).
> Looking at the stack when the VM is hanging (attached), there is nothing specific to
counters in there, and nothing that struck me at odd (but I could miss something). There do
is a few thrift thread running (CASSANDRA-3335), but why would that only be a problem for
the tests in that situation is a mystery to me.

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