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Old 11-04-2008, 01:28 PM
Alain Muls
 
Default RxTx & java problem running GPS application

Hi

I have a java-based program for communication with a GPS receiver that uses
the rxtx functionality to communicate over the serial port.

When I launch the program on HH I get the following output.

How can this be solved?

amuls@geod02:PolaRx3.2.2GraphicalTools] ./RxControl3.1.2
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x9079f767]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x31) [0x9079f8b1]
#2 /usr/lib/libX11.so.6(_XReply+0xfd) [0x902ec1bd]
#3 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so
[0x907f722e]
#4 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so
[0x907d5ed7]
#5 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so
[0x907d6188]
#6
/home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_ini tDisplay+0x2f)
[0x907d648f]
#7 [0xb4d5cb5b]
#8 [0xb4d54ecd]
#9 [0xb4d54ecd]
#10 [0xb4d52207]
#11 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/server/libjvm.so
[0x62b521d]
#12 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/server/libjvm.so
[0x643d9a8]
#13 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/server/libjvm.so
[0x62b50b0]
#14
/home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/server/libjvm.so(JVM_DoPrivileged+0x34b)
[0x630af2b]
#15
/home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/libjava.so(Java_java_security_AccessController_doP rivileged__Ljava_security_PrivilegedAction_2+0x3d)
[0xb7d6d96d]
#16 [0xb4d5cb5b]
#17 [0xb4d54d67]
#18 [0xb4d52207]
#19 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/server/libjvm.so
[0x62b521d]
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x9079f767]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0x9079f81e]
#2 /usr/lib/libX11.so.6 [0x902eb518]
#3 /usr/lib/libX11.so.6(XGetVisualInfo+0x26) [0x902e20a6]
#4 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so
[0x907d5189]
#5 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so
[0x907d53d5]
#6 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so
[0x907d6239]
#7
/home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_ini tDisplay+0x2f)
[0x907d648f]
#8 [0xb4d5cb5b]
#9 [0xb4d54ecd]
#10 [0xb4d54ecd]
#11 [0xb4d52207]
#12 /home/amuls/PolaRx3.2.2GraphicalTools/jre/lib/i386/server/libjvm.so
[0x62b521d]




RXTX WARNING: This library requires the user running applications to be in
group uucp. Please consult the INSTALL documentation. More information is
avaiable under the topic 'How can I use Lock Files with rxtx?'
check_lock_status: No permission to create lock file.


Groups indicate that I do belong to the uucp group:

[amuls@geod02:PolaRx3.2.2GraphicalTools] groups
amuls adm uucp dialout cdrom floppy audio dip video plugdev fuse lpadmin admin
sambashare vboxusers




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Alain MULS alain.muls@telenet.be
CISS-GENA +32.2.7426340
Renaissance Avenue 30
1000 BRUSSELS - Belgium
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http://www.fsfe.org
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