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Home » Eclipse Projects » Standard Widget Toolkit (SWT) » Cairo + Exception in native code
Cairo + Exception in native code [message #462807] Wed, 19 October 2005 21:38 Go to next message
Fabian Wolf is currently offline Fabian Wolf
Messages: 96
Registered: July 2009
Member
Hi all,

anyone know how to get this fixed?
It happens on my GEF editor after Graphics.setAntialias(SWT.ON) is called
and a curve is supposed to get antialiased. It does not crash on Polylines
for example - ovals are however affected.

Thanks a lot,
Fabian


An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0xAA63B019
Function=Java_org_eclipse_swt_internal_gtk_OS_strlen+0xF
Library=/home/fabian/workspace/org.eclipse.swt.gtk.linux.x86 /libswt-pi-gtk-3210.so

Current Java thread:
at org.eclipse.swt.internal.gtk.OS.strlen(Native Method)
at org.eclipse.swt.graphics.GC.setCairoFont(GC.java:2689)
at org.eclipse.swt.graphics.GC.initCairo(GC.java:2469)
at org.eclipse.swt.graphics.GC.setAntialias(GC.java:2631)
at org.eclipse.draw2d.SWTGraphics.reconcileHints(SWTGraphics.ja va:795)
at org.eclipse.draw2d.SWTGraphics.checkGC(SWTGraphics.java:282)
at org.eclipse.draw2d.SWTGraphics.checkPaint(SWTGraphics.java:2 92)
at org.eclipse.draw2d.SWTGraphics.drawOval(SWTGraphics.java:393 )
at org.eclipse.draw2d.Graphics.drawOval(Graphics.java:193)
at
de.dd.ferkel.gef.figure.custom.systemprofil.AufgabeFigure.pa intFigure(AufgabeFigure.java:123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1053)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1118)
at org.eclipse.draw2d.Viewport.paintClientArea(Viewport.java:15 6)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1118)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at
org.eclipse.draw2d.ScalableFreeformLayeredPane.paintClientAr ea(ScalableFreeformLayeredPane.java:61)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1118)
at org.eclipse.draw2d.Viewport.paintClientArea(Viewport.java:15 6)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at org.eclipse.draw2d.Figure.paintChildren(Figure.java:1091)
at org.eclipse.draw2d.Figure.paintClientArea(Figure.java:1123)
at org.eclipse.draw2d.Figure.paint(Figure.java:1055)
at
org.eclipse.draw2d.DeferredUpdateManager.repairDamage(Deferr edUpdateManager.java:225)
at
org.eclipse.draw2d.DeferredUpdateManager.performUpdate(Defer redUpdateManager.java:145)
- locked <0xac19b808> (a org.eclipse.draw2d.DeferredUpdateManager)
at
de.dd.ferkel.gef.part.DiagramPart$1.commandStackChanged(Diag ramPart.java:79)
at
org.eclipse.gef.commands.CommandStack.notifyListeners(Comman dStack.java:254)
at org.eclipse.gef.commands.CommandStack.execute(CommandStack.j ava:142)
at org.eclipse.gef.tools.AbstractTool.executeCommand(AbstractTo ol.java:388)
at
org.eclipse.gef.tools.AbstractTool.executeCurrentCommand(Abs tractTool.java:400)
at
org.eclipse.gef.tools.CreationTool.performCreation(CreationT ool.java:254)
at org.eclipse.gef.tools.CreationTool.handleButtonUp(CreationTo ol.java:178)
at org.eclipse.gef.tools.AbstractTool.mouseUp(AbstractTool.java :1053)
at org.eclipse.gef.EditDomain.mouseUp(EditDomain.java:259)
at
org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouse Released(DomainEventDispatcher.java:374)
at
org.eclipse.draw2d.LightweightSystem$EventHandler.mouseUp(Li ghtweightSystem.java:547)
at
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListe ner.java:137)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1051)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:2946)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :2634)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:1734)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1698)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:367)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:143)
at de.dd.ferkel.FerkelApplication.run(FerkelApplication.java:64 )
at
org.eclipse.core.internal.runtime.PlatformActivator$1.run(Pl atformActivator.java:226)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:376)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:163)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:338 )
at org.eclipse.core.launcher.Main.basicRun(Main.java:282)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)

Dynamic libraries:
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3589421 /home/fabian/workspace/org.eclipse.swt.gtk.linux.x86/libswt- cairo-gtk-3210.so
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3589421 /home/fabian/workspace/org.eclipse.swt.gtk.linux.x86/libswt- cairo-gtk-3210.so
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761111 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libmlib_image.so
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761130 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libawt.so
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a9ba7000-a9bbd000 r-xs 00000000 03:07
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a9bbd000-a9bcc000 r-xp 00000000 03:07
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a9bcc000-a9bd2000 r-xp 00000000 03:07
3589419 /home/fabian/workspace/org.eclipse.swt.gtk.linux.x86/libswt- atk-gtk-3210.so
a9bd2000-a9bd3000 rwxp 00005000 03:07
3589419 /home/fabian/workspace/org.eclipse.swt.gtk.linux.x86/libswt- atk-gtk-3210.so
a9bd3000-a9be4000 r-xp 00000000 03:07
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a9be6000-a9be7000 rwxp 00001000 03:07
3394891 /usr/lib/pango/1.4.0/modules/pango-basic-fc.so
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a9c47000-a9cc9000 r-xs 00000000 03:07
937807 /home/fabian/workspace/de.dd.ferkel/jars/xseu.jar
a9cc9000-a9d79000 r-xs 00000000 03:07
976958 /home/fabian/workspace/de.dd.ferkel/jars/jython.jar
a9d79000-a9dd9000 rwxs 00000000 00:07 1114118 /SYSV00000000 (deleted)
a9dd9000-a9dff000 r-xp 00000000 03:07
3589424 /home/fabian/workspace/org.eclipse.swt.gtk.linux.x86/libswt- gtk-3210.so
a9dff000-a9e01000 rwxp 00025000 03:07
3589424 /home/fabian/workspace/org.eclipse.swt.gtk.linux.x86/libswt- gtk-3210.so
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3339322 /usr/lib/X11/locale/lib/common/xlcUTF8Load.so.2
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3382446 /usr/lib/locale/en_US.utf8/LC_COLLATE
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2204903 /usr/lib/libpng12.so.0.1.2.8
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aac93000-aaca0000 r-xs 00000000 03:07
2677683 /usr/lib/eclipse-3.2/plugins/org.eclipse.core.expressions_3. 1.0.jar
aaca0000-aacb1000 r-xs 00000000 03:07
3389552 /usr/lib/eclipse-3.2/plugins/org.eclipse.core.commands_3.2.0 .jar
aacb1000-aacc7000 r-xs 00000000 03:07
2673109 /usr/lib/eclipse-3.2/plugins/org.eclipse.ant.core_3.1.0.jar
aad48000-aad5f000 r-xs 00000000 03:07
2673149 /usr/lib/eclipse-3.2/plugins/org.eclipse.update.configurator _3.1.0.jar
aade0000-aae4f000 r-xs 00000000 03:07
2676815 /usr/lib/eclipse-3.2/plugins/org.eclipse.core.runtime_3.1.0. jar
aaed0000-aaee0000 r-xp 00000000 03:07
760660 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libnet.so
aaee0000-aaee1000 rwxp 0000f000 03:07
760660 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libnet.so
aaee1000-aaf98000 r-xs 00000000 03:07
2676137 /usr/lib/eclipse-3.2/plugins/org.eclipse.osgi_3.1.0.jar
aaf98000-aafa0000 r-xs 00000000 03:07
262058 /usr/lib/eclipse-3.2/startup.jar
aafa0000-ab05c000 r-xs 00000000 03:07
761093 /opt/sun-jdk-1.4.2.08/jre/lib/ext/localedata.jar
ab05c000-ab069000 r-xs 00000000 03:07
761092 /opt/sun-jdk-1.4.2.08/jre/lib/ext/ldapsec.jar
ab069000-ab085000 r-xs 00000000 03:07
761091 /opt/sun-jdk-1.4.2.08/jre/lib/ext/sunjce_provider.jar
ab40c000-ab437000 r-xp 00000000 03:07
761119 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libjdwp.so
ab437000-ab439000 rwxp 0002a000 03:07
761119 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libjdwp.so
ab43c000-ab442000 r-xs 00000000 03:07
1400447 /usr/lib/gconv/gconv-modules.cache
ab442000-ab475000 r-xp 00000000 03:07
3382437 /usr/lib/locale/en_US.utf8/LC_CTYPE
ab475000-ab59d000 r-xp 00000000 03:07
1434541 /usr/lib/locale/locale-archive
b37a0000-b37a1000 r-xp 00000000 03:07
3382496 /usr/lib/locale/en_US.utf8/LC_IDENTIFICATION
b37a1000-b37a2000 r-xs 00000000 03:07
3389622 /usr/lib/eclipse-3.2/plugins/org.eclipse.ui.workbench.compat ibility_3.2.0/compatibility.jar
b37a2000-b37a8000 r-xp 00000000 03:07
761096 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libnio.so
b37a8000-b37a9000 rwxp 00005000 03:07
761096 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libnio.so
b5851000-b5df1000 r-xs 00000000 03:07
761229 /opt/sun-jdk-1.4.2.08/jre/lib/charsets.jar
b5df1000-b5e02000 r-xs 00000000 03:07
761239 /opt/sun-jdk-1.4.2.08/jre/lib/jce.jar
b5e02000-b5edf000 r-xs 00000000 03:07
761163 /opt/sun-jdk-1.4.2.08/jre/lib/jsse.jar
b5edf000-b5ef5000 r-xs 00000000 03:07
761190 /opt/sun-jdk-1.4.2.08/jre/lib/sunrsasign.jar
b5f3f000-b78ea000 r-xs 00000000 03:07
761231 /opt/sun-jdk-1.4.2.08/jre/lib/rt.jar
b78ea000-b78fe000 r-xp 00000000 03:07
761104 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libzip.so
b78fe000-b7901000 rwxp 00013000 03:07
761104 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libzip.so
b7901000-b7921000 r-xp 00000000 03:07
761115 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libjava.so
b7921000-b7923000 rwxp 0001f000 03:07
761115 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libjava.so
b7923000-b792b000 r-xp 00000000 03:07 3378753 /lib/libnss_files-2.3.5.so
b792b000-b792d000 rwxp 00007000 03:07 3378753 /lib/libnss_files-2.3.5.so
b792d000-b7933000 r-xp 00000000 03:07 3379268 /lib/libnss_compat-2.3.5.so
b7933000-b7935000 rwxp 00006000 03:07 3379268 /lib/libnss_compat-2.3.5.so
b7935000-b7939000 r-xs 00000000 03:07
2673151 /usr/lib/eclipse-3.2/plugins/org.eclipse.help.appserver_3.1. 0.jar
b7939000-b793c000 r-xp 00000000 03:07
761125 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libdt_socket.so
b793c000-b793d000 rwxp 00002000 03:07
761125 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libdt_socket.so
b793d000-b794d000 r-xp 00000000 03:07
761098 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libverify.so
b794d000-b794f000 rwxp 0000f000 03:07
761098 /opt/sun-jdk-1.4.2.08/jre/lib/i386/libverify.so
b794f000-b796f000 r-xp 00000000 03:07 3376861 /lib/tls/libm-2.3.5.so
b796f000-b7971000 rwxp 00020000 03:07 3376861 /lib/tls/libm-2.3.5.so
b7971000-b7982000 r-xp 00000000 03:07 3379272 /lib/libnsl-2.3.5.so
b7982000-b7984000 rwxp 00010000 03:07 3379272 /lib/libnsl-2.3.5.so
b7986000-b7d8c000 r-xp 00000000 03:07
761109 /opt/sun-jdk-1.4.2.08/jre/lib/i386/client/libjvm.so
b7d8c000-b7da7000 rwxp 00405000 03:07
761109 /opt/sun-jdk-1.4.2.08/jre/lib/i386/client/libjvm.so
b7dbb000-b7ec9000 r-xp 00000000 03:07 3377111 /lib/tls/libc-2.3.5.so
b7ec9000-b7eca000 r-xp 0010e000 03:07 3377111 /lib/tls/libc-2.3.5.so
b7eca000-b7ecd000 rwxp 0010f000 03:07 3377111 /lib/tls/libc-2.3.5.so
b7ecf000-b7ed1000 r-xp 00000000 03:07 3379269 /lib/libdl-2.3.5.so
b7ed1000-b7ed3000 rwxp 00001000 03:07 3379269 /lib/libdl-2.3.5.so
b7ed3000-b7ee1000 r-xp 00000000 03:07
3382259 /lib/tls/libpthread-2.3.5.so
b7ee1000-b7ee2000 r-xp 0000d000 03:07
3382259 /lib/tls/libpthread-2.3.5.so
b7ee2000-b7ee3000 rwxp 0000e000 03:07
3382259 /lib/tls/libpthread-2.3.5.so
b7ee6000-b7ee9000 r-xs 00000000 03:07
761090 /opt/sun-jdk-1.4.2.08/jre/lib/ext/dnsns.jar
b7ee9000-b7eed000 rwxs 00000000 03:07
3494985 /tmp/hsperfdata_fabian/29386
b7eed000-b7ef5000 r-xp 00000000 03:07 3378826 /lib/libnss_nis-2.3.5.so
b7ef5000-b7ef7000 rwxp 00007000 03:07 3378826 /lib/libnss_nis-2.3.5.so
b7ef7000-b7eff000 r-xp 00000000 03:07
761105 /opt/sun-jdk-1.4.2.08/jre/lib/i386/native_threads/libhpi.so
b7eff000-b7f00000 rwxp 00007000 03:07
761105 /opt/sun-jdk-1.4.2.08/jre/lib/i386/native_threads/libhpi.so
b7f00000-b7f15000 r-xp 00000000 03:07 3381978 /lib/ld-2.3.5.so
b7f15000-b7f16000 r-xp 00014000 03:07 3381978 /lib/ld-2.3.5.so
b7f16000-b7f17000 rwxp 00015000 03:07 3381978 /lib/ld-2.3.5.so
bf7f9000-bf815000 rwxp bf7f9000 00:00 0
ffffe000-fffff000 ---p 00000000 00:00 0 [vdso]

Heap at VM Abort:
Heap
def new generation total 896K, used 220K [0xab7a0000, 0xab890000,
0xabc80000)
eden space 832K, 25% used [0xab7a0000, 0xab7d53a0, 0xab870000)
from space 64K, 12% used [0xab870000, 0xab871fc0, 0xab880000)
to space 64K, 0% used [0xab880000, 0xab880000, 0xab890000)
tenured generation total 10760K, used 5280K [0xabc80000, 0xac702000,
0xaf7a0000)
the space 10760K, 49% used [0xabc80000, 0xac1a81b8, 0xac1a8200,
0xac702000)
compacting perm gen total 15616K, used 15468K [0xaf7a0000, 0xb06e0000,
0xb37a0000)
the space 15616K, 99% used [0xaf7a0000, 0xb06bb2e0, 0xb06bb400,
0xb06e0000)

Local Time = Wed Oct 19 23:27:42 2005
Elapsed Time = 457
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2_08-b03 mixed mode)
#
# An error report file has been saved as hs_err_pid29386.log.
# Please refer to the file for further information.
#
Re: Cairo + Exception in native code [message #462832 is a reply to message #462807] Thu, 20 October 2005 00:00 Go to previous messageGo to next message
Billy Biggs is currently offline Billy Biggs
Messages: 94
Registered: July 2009
Member
Fabian Wolf wrote:
> anyone know how to get this fixed?
> It happens on my GEF editor after Graphics.setAntialias(SWT.ON) is called
> and a curve is supposed to get antialiased. It does not crash on Polylines
> for example - ovals are however affected.

Can you file a bug at bugs.eclipse.org/bugs against Platform > SWT
with this stack trace? Also, did you set a font on this GC, and if so,
what font did you use?

-Billy
Re: Cairo + Exception in native code [message #462843 is a reply to message #462832] Thu, 20 October 2005 11:38 Go to previous messageGo to next message
Fabian Wolf is currently offline Fabian Wolf
Messages: 96
Registered: July 2009
Member
Billy Biggs wrote:

> Fabian Wolf wrote:
>> anyone know how to get this fixed?
>> It happens on my GEF editor after Graphics.setAntialias(SWT.ON) is called
>> and a curve is supposed to get antialiased. It does not crash on
>> Polylines for example - ovals are however affected.
>
> Can you file a bug at bugs.eclipse.org/bugs against Platform > SWT
> with this stack trace? Also, did you set a font on this GC, and if so,
> what font did you use?

Thanks for the hint! ;)
Your question regarding the font helped me find the problem.
My figure was a simple oval shape with some text in the center.
For the text I instanciated a new Font object, did a
Graphics.setFont(myNewFont), printed the text and disposed the font right
afterwards. Then I was trying to draw the antialiased oval.
Now the problem was the font being disposed before
Graphics.setAntialias(SWT.ON) was called. I never figured the font was
needed for drawing some lines.
I'm not sure if this is still considered a bug in SWT or just my stupidity -
however it'd be nice if it was mentioned in the javadoc that the
initialization of cairo is somewhat dependant on the font set on the
Graphics instance.

Thanks a lot for your help!

Regards,
Fabian
Re: Cairo + Exception in native code [message #462904 is a reply to message #462843] Thu, 20 October 2005 19:45 Go to previous message
Billy Biggs is currently offline Billy Biggs
Messages: 94
Registered: July 2009
Member
Fabian Wolf wrote:
> Thanks for the hint! ;)
> Your question regarding the font helped me find the problem.
> My figure was a simple oval shape with some text in the center.
> For the text I instanciated a new Font object, did a
> Graphics.setFont(myNewFont), printed the text and disposed the font right
> afterwards. Then I was trying to draw the antialiased oval.
> Now the problem was the font being disposed before
> Graphics.setAntialias(SWT.ON) was called. I never figured the font was
> needed for drawing some lines.
> I'm not sure if this is still considered a bug in SWT or just my stupidity -

Please file the bug. We shouldn't crash.

-Billy
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