Re: [josm-dev] R: R: R: R: FW: [OSM-newbies] JOSM problems - is it just me?

[Frederik Ramm]

Hi,

Michael Bemmerl wrote:
 we're missing a bit of context here...
 
 Er.. didn't you looked at the messages I replied to?

No, they were on a different mailing list.

 Anyway, Java has a bug since 1.6.0_11, that throws an
 EXCEPTION_ACCESS_VIOLATION exception on low memory environments. This
 causes a crash of all Java apps, including JOSM.

Anything we as application developers can do about this?

Bye
Frederik



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Re: [josm-dev] R: R: R: R: FW: [OSM-newbies] JOSM problems - is it just me?

[Michael Bemmerl]

Thanks Fabrizio, that did the trick!

Fabrizio Carrai schrieb:
  It looks like I found the solution!!!
  It seems to happen with machines with low video ram. I've an NVidia
  Geoforce 6150 (shared memory 512MB): no idea if it falls in such
category,
  but now it works!

I have a GeForce 7300 GT with 256 MB on board.

 
  As in [1] the solution is to start JOSM including the Java option
  sun.java2d.d3d=false:
 
  C:\WINDOWS\system32\javaw.exe  -Dsun.java2d.d3d=false  -Xmx800M -jar
  C:\Programmi\Josm\josm-latest.jar
 
  I'm now working since several hours with JOSM doing several changes and
  uploads: no crashes till now! Before it was happening after very short
  editing sessions.

Me too.

  Continuing testing!
 
  Ciao!
  Fabrizio
 
  [1] http://stackoverflow.com/questions/379574/possible-java-jna-issue

Bye,
Michi




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[josm-dev] R: R: R: R: FW: [OSM-newbies] JOSM problems - is it just me?

[Fabrizio Carrai]

It looks like I found the solution!!!
It seems to happen with machines with low video ram. I've an NVidia
Geoforce 6150 (shared memory 512MB): no idea if it falls in such category,
but now it works!

As in [1] the solution is to start JOSM including the Java option
sun.java2d.d3d=false:

C:\WINDOWS\system32\javaw.exe  -Dsun.java2d.d3d=false  -Xmx800M -jar
C:\Programmi\Josm\josm-latest.jar

I'm now working since several hours with JOSM doing several changes and
uploads: no crashes till now! Before it was happening after very short
editing sessions.

Continuing testing!

Ciao!
Fabrizio

[1] http://stackoverflow.com/questions/379574/possible-java-jna-issue

 -Messaggio originale-
 Da: Michael Bemmerl [mailto:osm-t...@mx-server.de]
 Inviato: giovedì 7 maggio 2009 0.25
 A: Fabrizio Carrai
 Oggetto: Re: [josm-dev] R: R: R: FW: [OSM-newbies] JOSM problems - is it
 just me?


 Fabrizio Carrai schrieb:
  It has been closed. The problem has been considered to belong
 to Java and
  not to JOSM (no fix).
  I'll keep continue to update the Java VM... :-(

 I have the same problem and I think Java 1.6.0_09 or so introduced this
 issue. I have other Java apps running (e.g. TV-Browser), which don't
 crash. JOSM is the only java app that crashes so constantly and
 frequently (after six seconds of usage, as stated in the hs_err_pid-file).

 I tried different -Xmx values (I normally use 1024M), but that didn't
 helped. I don't think that the maximum memory usage is a problem here,
 because JOSM already crashes with about 40 MB of memory used (as seen in
 the status report).

 But I found a solution to work around this Java bug:
 As I looked in the task manager, I noticed that Thunderbird and other
 non-java apps consumed about 1 gig of memory. After I closed every non
 vital app, JOSM never crashed again.

 Well, my workaround it's not nice, but it works (at least for me).

 Bye,
 Michi


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