java assert failure: java: ../../src/xcb_io.c:179: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed.

[Petr Chmelar]

While trying to run netbeans 8.2 in 16.04 alpha2, Java stopped.

I changed /etc/netbeans.conf according to the
https://netbeans.org/bugzilla/show_bug.cgi?id=243569
because of
https://bugs.launchpad.net/ubuntu/+source/netbeans/+bug/1532634

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: openjdk-8-jre-headless 8u72-b15-2ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-5.20-generic 4.4.1
Uname: Linux 4.4.0-5-generic x86_64
ApportVersion: 2.20-0ubuntu2
Architecture: amd64
AssertionMessage: java: ../../src/xcb_io.c:179: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed.
CurrentDesktop: Unity
Date: Tue Feb 16 13:28:55 2016
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
InstallationDate: Installed on 2016-02-10 (5 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160210)
Signal: 6
SourcePackage: openjdk-8
StacktraceTop:
 __assert_fail_base (fmt=0x7f2be28a0fa8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f2bc1d5995d "!xcb_xlib_unknown_req_in_deq", file=file@entry=0x7f2bc1d5992b "../../src/xcb_io.c", line=line@entry=179, function=function@entry=0x7f2bc1d59e00 "dequeue_pending_request") at assert.c:92
 __GI___assert_fail (assertion=0x7f2bc1d5995d "!xcb_xlib_unknown_req_in_deq", file=0x7f2bc1d5992b "../../src/xcb_io.c", line=179, function=0x7f2bc1d59e00 "dequeue_pending_request") at assert.c:101
 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 XGetWindowProperty () from /usr/lib/x86_64-linux-gnu/libX11.so.6
Title: java assert failure: java: ../../src/xcb_io.c:179: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1544886, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.