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From "Keith Turner (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-1321) Dynamic Classloader lost jars
Date Tue, 11 Jun 2013 20:11:20 GMT


Keith Turner commented on ACCUMULO-1321:

Maybe the ticket is too broad.  Earlier in this ticket I made the following comment.  For
1.5.0, we fixed the issue mentioned below and added a unit test to recreate the issue.

bq. If I regenerate the jar with the same code and copy in the jar I did not see a problem.
I tried this 5 or 6 times w/o issue. When I changed the source code, generated the jar, and
copied it in I immediately saw the issue.

> Dynamic Classloader lost jars
> -----------------------------
>                 Key: ACCUMULO-1321
>                 URL:
>             Project: Accumulo
>          Issue Type: Sub-task
>            Reporter: John Vines
>            Priority: Blocker
>             Fix For: 1.5.0
>         Attachments: ACCUMULO-1321.patch
> We have a table setup that uses some custom iterators. We ran an MR job against it without
issues. We then ran the job immediately after the first one wrapped and 2 of my tservers errored
with ClassNotFoundException, even though it ran just fine before.
> Unfortunately we don't have a stack trace (to see if it was breaking differently in the
VFSClassLoader), nor a convenient way to recreate currently. We're working on reproducing
it in order to get more information.

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