[Bug 1204906] [NEW] NetBeans, VisualVM, etc. broken with latest security release for 12.04

[Neil C Smith]

Public bug reported:

The latest security update of OpenJDK 6 appears to have broken NetBeans
and other NetBeans platform based applications such as VisualVM. It may
break many other Swing applications - not tested.  Manifests as UI
issues, NPE's and lockups (eg. find usages dialog hangs NetBeans).  One
stack trace shows EventQueue.isDispatchThread() returning false from
within the dispatch thread.

All is fine in current OpenJDK 7.  Looking at NetBeans on OpenJDK 6 from
VisualVM (running on 7!) shows multiple AWT event queues and sometimes
deadlock between them. Same result is not seen when running NetBeans
with OpenJDK 7.

Running on 12.04 with OpenJDK-6-JRE 6b27-1.12.6-1ubuntu0.12.04.2

** Affects: openjdk-6 (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1204906

Title:
  NetBeans, VisualVM, etc. broken with latest security release for 12.04

Status in “openjdk-6” package in Ubuntu:
  New

Bug description:
  The latest security update of OpenJDK 6 appears to have broken
  NetBeans and other NetBeans platform based applications such as
  VisualVM. It may break many other Swing applications - not tested.
  Manifests as UI issues, NPE's and lockups (eg. find usages dialog
  hangs NetBeans).  One stack trace shows EventQueue.isDispatchThread()
  returning false from within the dispatch thread.

  All is fine in current OpenJDK 7.  Looking at NetBeans on OpenJDK 6
  from VisualVM (running on 7!) shows multiple AWT event queues and
  sometimes deadlock between them. Same result is not seen when running
  NetBeans with OpenJDK 7.

  Running on 12.04 with OpenJDK-6-JRE 6b27-1.12.6-1ubuntu0.12.04.2

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