If you are having trouble getting Zend ZDE going in Ubuntu Hardy, try this:

echo "export LIBXCB_ALLOW_SLOPPY_LOCK=true" >> /home/$your_user/.bashrc
Log out and log in

Found it here:

http://www.linuxforums.org/forum/arch-linux-help/108317-azureus-problem.html

This was the error I was getting.


./ZDE
nawk: cmd. line:6: warning: escape sequence `\.' treated as plain `.'
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb16cb767]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x31) [0xb16cb8b1]
#2 /usr/lib/libX11.so.6(_XReply+0xfd) [0xb171329d]
#3 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/xawt/libmawt.so [0xb1814a76]
#4 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/xawt/libmawt.so [0xb17fa80a]
#5 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/xawt/libmawt.so [0xb17faa51]
#6 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/xawt/libmawt.so(Java_sun_awt_X11GraphicsEnvironment_initDisplay+0x24) [0xb17fac5c]
#7 [0xb2a9ab7a]
#8 [0xb2a94a7b]
#9 [0xb2a94a7b]
#10 [0xb2a92157]
#11 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/client/libjvm.so [0xb77a1b6c]
#12 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/client/libjvm.so [0xb7894688]
#13 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/client/libjvm.so [0xb77a199f]
#14 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/client/libjvm.so(JVM_DoPrivileged+0x2dd) [0xb77f0b2d]
#15 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/libjava.so(Java_java_security_AccessController_doPrivileged__Ljava_security_PrivilegedAction_2+0x3d) [0xb75b02cd]
#16 [0xb2a9a42b]
#17 [0xb2a949a4]
#18 [0xb2a92157]
#19 /usr/local/Zend/ZendStudio-5.2.0/jre/lib/i386/client/libjvm.so [0xb77a1b6c]
java: xcb_xlib.c:82: xcb_xlib_unlock: Assertion `c->xlib.lock' failed.
Aborted (core dumped)