[Webtest] Re: Memory and Potential Handle Leak with Build 454
Lisa Crispin
webtest@lists.canoo.com
Mon, 26 Jul 2004 16:24:56 +0000
Awesome! Thanks! We'll try it right away.
-- Lisa
-------------- Original message from Marc Guillemot : --------------
> Hi Lisa,
>
> quick fix is now integrate and available for download.
>
> Marc.
>
> Lisa Crispin wrote:
> > Hi Marc,
> > Thanks for the explanation. This will help us. The solution sounds good.
> > -- Lisa
> >
> >
> > -------------- Original message from Marc Guillemot : --------------
> >
> >>Hi Lisa,
> >>
> >>I was waiting for Siegried's answer to confirm what I have seen for my tests.
> I
> >>guess indeed that the
> >>showhtmlparseroutput="true" is currently the cause of OutOfMemoryError when
> >>running a lot of test.
> >>
> >>I will first commit a quick and dirty workaround allowing to continue using
> >>showhtmlparseroutput="true" before
> >>performing bigger changes on the architecture to allow webtests suites to
> better
> >>scale.
> >>
> >>What I see as the cause of the problem is that following occurs:
> >>- ant instantiates the steps of a testSpec
> >>- the steps are runned, some of the steps generate html errors and/or warnings
> >>and hold these messages to make them
> >>available for reporting
> >>- when all steps of a testspec are finisched, the informations of the steps
> are
> >>used to generate a report
> >>- next testSpec is runned (if any)
> >>- when ant has finished, the steps are released. This is a feature of ant: as
> a
> >>target may be called more than 1 time in
> >>a run, the target and all tasks it contains are only released at the very end.
> >>
> >>Therefore ALL html errors and warnings (as well as other data, but these are
> the
> >>ones that may really be numerous) are
> >>hold in memory until ant finishes.
> >>
> >>The clean refactoring will consist to make each step generating a "result"
> >>containing the data needed for the reports.
> >>These results will be used at the end of a testSpec to generate the reports
> and
> >>won't live after the end of the
> >>execution of a testSpec.
> >>
> >>Marc.
> >>
> >>Lisa Crispin wrote:
> >>
> >>>Hi Marc,
> >>>Are you saying that showhtmlparseroutput should be set to false if you have a
> >>
> >>lot of tests and don't want to run out of memory? If you do that, how do you
> >>debug if a test fails?
> >>
> >>>thanks,
> >>>Lisa
> >>>
> >>>
> >>>-------------- Original message from Marc Guillemot : --------------
> >>>
> >>>
> >>>>Hi Siegfried,
> >>>>
> >>>>>
> >>>>>_______________________________________________
> >>>>>WebTest mailing list
> >>>>>WebTest@lists.canoo.com
> >>>>>http://lists.canoo.com/mailman/listinfo/webtest
> >>>>>
> >>>>
> >>>>
> >>>>_______________________________________________
> >>>>WebTest mailing list
> >>>>WebTest@lists.canoo.com
> >>>>http://lists.canoo.com/mailman/listinfo/webtest
> >>>
> >>>_______________________________________________
> >>>WebTest mailing list
> >>>WebTest@lists.canoo.com
> >>>http://lists.canoo.com/mailman/listinfo/webtest
> >>>
> >>>
> >>>>2nd question: do you have the showhtmlparseroutput config option on true?
> >>>>
> >>>>I think that this is the cause of the problem. It's a consequence of task
> >>>>lifecycle and current webtest architecture.
> >>>>
> >>>>Marc.
> >>>>
> >>>>PS: what about my first question? ;-)
> >>>>
> >>>>Göschl,Siegfried wrote:
> >>>>
> >>>>
> >>>>>Hi folks,
> >>>>>
> >>>>>Running my regression test suite with build 454 fails with a
> >>>>
> >>>>OutOfMemoryException - it seems that there is no memory released.
> >>>>
> >>>>
> >>>>>My 19 test cases consume more 160 MB RAM and 1300 handles (to set the right
> >>>>
> >>>>perspective my BEA WebLogic 8.1 server consumes 120 MB Ram and 2600
> handles).
> >>
> >>I
> >>
> >>>>increased the maximum heap size but this might not work for a really large
> >>>>regression test suite ... :-)
> >>>>
> >>>>
> >>>>>Environment
> >>>>>==================================
> >>>>>
> >>>>>+) Windows XP
> >>>>>+) Java 1.4.2_03b02
> >>>>>+) Maven 1.0 rc1 & Ant 1.5.2
> >>>>>
> >>>>>
> >>>>>Thanks in advance
> >>>>>
> >>>>>Siegfried Goeschl
> >>>>>
> >>
> >>_______________________________________________
> >>WebTest mailing list
> >>WebTest@lists.canoo.com
> >>http://lists.canoo.com/mailman/listinfo/webtest
>
> _______________________________________________
> WebTest mailing list
> WebTest@lists.canoo.com
> http://lists.canoo.com/mailman/listinfo/webtest