openjdk team mailing list archive

[Papadakos Panagiotis <papadako@xxxxxxxxxx>]

@md_5
A few days ago I had exactly the same bug, i.e. netbeans locking randomly in loading modules. From yesterday, that I updated the packages of my 15.10 system, netbeans, netbeans installer and freemind get killed randomly. From the related bugs that I have reported it seems that  XInitThreads is not called at all, which could possible explain (the locking and crashing problems)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=797595#60

By the way, have you installed the latest updates? Do you experience the
same bug if you downgrade to openjdk-7?

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which is subscribed to openjdk-8 in Ubuntu.
https://bugs.launchpad.net/bugs/1510009

Title:
  Java 1.8.0_66 is extremely deadlock prone regarding AWT/GTK
  interaction

Status in openjdk-8 package in Ubuntu:
  Confirmed

Bug description:
  Since upgrading to Ubuntu 15.10 from Ubuntu 15.04, the various GUI
  applications that I run, including Netbeans and Minecraft have been
  suffering from dead/waitlocks which prevent them from operating
  properly. Since I have reproduced this issue these two completely
  different codebases, I am moving the bug further upstream.

  The original Netbeans bug report can be viewed here: https://netbeans.org/bugzilla/show_bug.cgi?id=256124
  Essentially, during routine interaction and calling of various AWT methods, somewhere between 8u45 (15.04) and 8u66 (15.10), something broke causing the application to hang intermittently when these methods are called.

  Some sample jstack traces are attached, the issue should be fairly
  obvious to spot.

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