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From "Brett Porter" <brett.por...@gmail.com>
Subject Re: Continuum queuing jobs but not performing builds
Date Fri, 05 Sep 2008 10:29:42 GMT
I certainly haven't seen something like this - perhaps something in the
project change caused an infinite loop that might be a bug in the Maven
project handling.
Are you able to get a thread dump from Continuum when it occurs?

Thanks,
Brett

2008/9/3 Peter Janes <continuum.apache.org@peterjanes.ca>

> Since adding a set of projects to a Continuum 1.2 instance last Thursday,
> the server has stopped performing any builds on any projects.  The server
> had performed hundreds of builds without issue over a period of several
> months.
>
> The initial problem that appeared was that projects would be queued but
> never started; as soon as the first job entered the queue Continuum would
> start using 100% CPU and never start building anything.  Even when I removed
> all of the projects from the queue it remained at 100% CPU.  Restarting the
> server didn't help: as soon as a job was queued the CPU would spike and no
> further progress would be made.
>
> Thinking that somehow the (MySQL) database might be corrupt, I removed it
> and started fresh.  I added the projects that appeared to cause the problem
> and they built successfully, so I started re-adding the rest of the
> projects.  Unfortunately, at some point while I was doing this builds
> stopped being executed again: this time they get queued up and are
> apparently started, but I don't see any build processes being invoked.  Even
> the simplest pom-only job times out.  The timeouts are shown in the
> Continuum log but aren't being recorded in the database as failures or
> errors, and restarting doesn't make a difference, which suggests to me that
> perhaps the database has been corrupted again.
>
> I don't see anything in Jira or the list archives; has anyone seen
> behaviours like this?  More importantly, has anyone been able to solve them?
>
> Environment: RHEL 5, Continuum 1.2 (built in May), Java 1.6.0_03, MySQL
> 5.0.45, Maven 2.0.9
>
> Peter J.
> --
> Sometimes the Universe needs a change of perspective.
>  --J. Michael Straczynski
>



-- 
Brett Porter
Blog: http://blogs.exist.com/bporter/

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