java-devel April 2007

java-devel@lists.fedoraproject.org

18 participants
20 discussions

Fedora Eclipse plugin problem
by Frode Petersen 18 Apr '07

18 Apr '07

Hi. I have a problem with Fedora Eclipse. It was crashing a lot when using the Omondo EclipseUML plugin. This might be a javaVM memory problem, and I might have solved that one. I'm about to test that. While looking for clues, I looked through the plugins using the Help > Software Updates > Manage Configuration... tool. A lot of plugins are listed as missing so the features that need them can't find them. I suppose the reason might be related to installing features after the install of Eclipse from fc updates.(?) I checked the filesystem, and found that features were looking in /usr/share/eclipse/[plugins|features] for things located under /usr/lib64/eclipse, and vice versa. Googling, I found this: >> It's because we moved the platform-specific stuff to /usr/lib (or >> /usr/lib64). There's no way around the .eclipse breakage. > > Umm I saw that move on rawhide, but for some reason another update moved > it back to /usr/share. Now that it is settled on /usr/lib all plugins on > extras will require a rebuild the whole message at: http://www.redhat.com/archives/fedora-devel-java-list/2006-November/msg0001… Does this mean that plugins from eclipse.org and other sites that aren't built specifically for Fedora Eclipse won't work, or does this only concern Fedora built plugins? I guess the answer is no, but... what if I move all plugins to one location, either /usr/share/... or /usr/lib64/...? Regards, Frode Petersen

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Re: [fedora-java] Fedora Eclipse plugin problem
by Andrew Overholt 18 Apr '07

18 Apr '07

Hi, On Tue, 2007-17-04 at 21:17 +0200, Frode Petersen wrote: > I wonder if this is a jvm bug (or feature), an eclipse bug or something > else. Is there a programming error that we should know and avoid in our > own programs that could lead to this problem? You mean a memory leak somewhere? If it happened with gij (ie. you were running a plugin you downloaded from somewhere), it could be a leak ... I hit something myself yesterday. Is this plugin you were using open source? Can we include it in Fedora? Care to be the maintainer? :) Take care, Andrew

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can't run eclipse in interpreted mode with gij in rawhide
by Benjamin Konrath 18 Apr '07

18 Apr '07

Hi, Eclipse currently doesn't run properly in interpreted mode with gij in rawhide. This is causing problems building eclipse and it would be great if someone could take a look at the problem. I just filed this bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=236895 Thanks, Ben

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gij OOM
by Andrew Overholt 18 Apr '07

18 Apr '07

This shouldn't be expected, right? GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! Exception in thread "OutputReader" GC Warning: Out of Memory! Returning NIL! java.lang.OutOfMemoryError *** Got java.lang.OutOfMemoryError while trying to print stack trace. GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! Error while logging event loop exception: GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! Exception in thread "Worker-1" GC Warning: Out of Memory! Returning NIL! java.lang.OutOfMemoryError GC Warning: Out of Memory! Returning NIL! *** Catastrophic failure while handling uncaught exception. GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! Exception in thread "ErrorReader" GC Warning: Out of Memory! Returning NIL! java.lang.OutOfMemoryError GC Warning: Out of Memory! Returning NIL! *** Catastrophic failure while handling uncaught exception. GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! *** Catastrophic failure while handling uncaught exception. GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! GC Warning: Out of Memory! Returning NIL! *** Catastrophic failure while handling uncaught exception. GC Warning: Out of Memory! Returning NIL! Anything I can do to help track this down? I was just running Eclipse (installed via RPMs ... eclipse-{sdk,cdt-sdk,mylar-bugzilla,changelog}) and trying to build cacao as per [1]. I didn't notice when the actual messages were printed to the console, but it was sometime during the build. Note that to get classpath and cacao to build I had to install libXtst-devel and libtool-ltdl-devel on top of what I already had on my system (YMMV). I'm on rawhide i386. Andrew [1] http://developer.classpath.org/mediation/ClasspathHackingWithEclipse

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Java time zone bug wrt GB/Eire zone?
by Joe Desbonnet 17 Apr '07

17 Apr '07

Just when I thought I really understood the Java time API this test case below threw me today. Same results with the current FC6 Java stack (up to date) and Sun JDK (1.5.0_07). Why oh why is 17:00 UK/Irish local time the same as 17:00 UTC ? The local time should be one hour ahead due to daylight savings.? Funny - I wrote lots of code last year relating to logging sensor data and I had no problems normalizing the timestamps to UTC. Now I just can seem to do it. A bug in Java timezone files or my brain? import java.util.Date; import java.util.TimeZone; import java.text.SimpleDateFormat; public class DateTest { public static void main (String arg[]) throws Exception { TimeZone localTz = TimeZone.getTimeZone ("GB/Eire"); SimpleDateFormat localDateFormat = new SimpleDateFormat ("yyyyMMdd HH:mm:ss"); localDateFormat.setTimeZone(localTz); TimeZone utcTz = TimeZone.getTimeZone ("UTC"); SimpleDateFormat utcDateFormat = new SimpleDateFormat("yyyyMMdd HH:mm:ss"); utcDateFormat.setTimeZone(utcTz); String datetime = "20070417 17:00:00"; Date d1 = localDateFormat.parse(datetime); Date d2 = utcDateFormat.parse(datetime); if (d1.getTime() == d2.getTime()) { System.err.println ("Error: GB/Eire = UTC + Daylight Savings (ie d1-d2 = 1 hour, not 0 hour)"); } } }

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Need Help for pdftk
by Jochen Schmitt 17 Apr '07

17 Apr '07

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I'm the maintainer of the pdftk package in Fedora Extras. Unfortunately, The ABI of the JAVA-Environment was changed in the devel branch, so I'm unable to rebuild this package. Please see bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=236224 It will be nice, if anyone have a hint to solve this problem. Best Regards: Jochen Schmitt -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 9.5.2 (Build 4075) Charset: us-ascii wj8DBQFGJNPaT2AHK6txfgwRAjc7AJ9xBaUAbirpIlt8bQPVDwd9mU05fACeP3LO qV7/NPN3gJSDDdnwOgPsZxg= =mPRR -----END PGP SIGNATURE-----

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sinjdoc vs gjdoc
by Mark Wielaard 09 Apr '07

09 Apr '07

Hi, I am happy to see sinjdoc in Fedora rawhide. And I used that package to create a generic version of the classpath docs: http://developer.classpath.org/sinjdoc/ But as you can see it is not as nicely looking (imho of course) as the old gjdoc version: http://developer.classpath.org/doc/ Also it doesn't seem to do highlighted source code linking, a feature I really like in gjdoc. So for non-generic/1.5 code I would like to have gjdoc still around, but is seems sinjdoc actually replaces gjdoc. Does it have to? Thanks, Mark

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Fedora Eclipse rawhide test results
by Andrew Overholt 03 Apr '07

03 Apr '07

Hi, I ran the Eclipse SDK 3.2.2 tests on my rawhide laptop (with our stock packages and gcj setup) over the weekend. They required a bit of hand holding but I think I should be able to get an SRPM together this week to allow others to duplicate. I put the results I got here: http://www.overholt.ca/eclipse/testresults/20070331/ I haven't had time to go through them too thoroughly yet. We do well on a lot of the sets. Note that I couldn't get the following sets to run due to timeouts or some other error: antui coreresources uiperformance swt I'll try to investigate. Also, I intentionally did not run these sets: jdtdebug relEng Andrew

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[Fwd: last chance relnotes for test4]
by Andrew Overholt 02 Apr '07

02 Apr '07

We should really get something in there about the new libgcj mentioning 1.5 stuff, etc. -------- Forwarded Message -------- > From: Karsten Wade <kwade(a)redhat.com> > Reply-To: List for Fedora Package Maintainers > <fedora-maintainers(a)redhat.com> > To: fedora-maintainers(a)redhat.com > Subject: last chance relnotes for test4 > Date: Sun, 01 Apr 2007 10:06:21 -0700 > > Tomorrow (2 April) at 2359 UTC we are freezing the Wiki for conversion > to XML. > > http://fedoraproject.org/wiki/Docs/Beats > > The content in the Wiki then gets translated and included in test4. > > If you get content in *now* you can get it read and tested by the > community. The same holds true for the translations. > > It's stupidly easy to get notes in, there is nothing stopping you: > > http://fedoraproject.org/wiki/Docs/Beats/HowTo > > There are six ways to get notes in, as easy as sending an email, and > we'll even do the Wiki work for you. Don't hesitate, send it! > > - Karsten > -- > Fedora-maintainers mailing list > Fedora-maintainers(a)redhat.com > https://www.redhat.com/mailman/listinfo/fedora-maintainers

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FYI
by Andrew Haley 02 Apr '07

02 Apr '07

I thought y'all might like to see this... Andrew. -- Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, UK Registered in England and Wales No. 3798903

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java-devel April 2007