FULL PRODUCT VERSION :
java version " 1.7.0_10 "
Java(TM) SE Runtime Environment (build 1.7.0_10-b18)
Java HotSpot(TM) Server VM (build 23.6-b04, mixed mode)


ADDITIONAL OS VERSION INFORMATION :
Linux ubuntu 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 i686 GNU/Linux

EXTRA RELEVANT SYSTEM CONFIGURATION :
just a plain and simple desk-top, running ubuntu.

A DESCRIPTION OF THE PROBLEM :
A simple program with two therads deadlocks the JVM. !!

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
ceems@ubuntu:~/phd-new/thesis/last-minus/oopsla/oopsla$ /usr/local/share/jdk1.7.0_10/bin/jdb CorbaEDeadlock
Initializing jdb ...
> stop in com.sun.org.omg.CORBA.OperationDescriptionHelper.type
Deferring breakpoint com.sun.org.omg.CORBA.OperationDescriptionHelper.type.
It will be set after the class is loaded.
> stop in com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type
Deferring breakpoint com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type.
It will be set after the class is loaded.
> run
run CorbaEDeadlock
Set uncaught java.lang.Throwable
Set deferred uncaught java.lang.Throwable
>
VM Started: Set deferred breakpoint com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type

Breakpoint hit: " thread=Thread-0 " , com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type(), line=60 bci=0

Thread-0[1] threads
Group system:
  (java.lang.ref.Reference$ReferenceHandler)0x150 Reference Handler cond. waiting
  (java.lang.ref.Finalizer$FinalizerThread)0x14f Finalizer cond. waiting
  (java.lang.Thread)0x14e Signal Dispatcher running
Group main:
  (CorbaEDeadlock$1)0x176 Thread-0 running (at breakpoint)
  (CorbaEDeadlock$2)0x178 Thread-1 running
  (java.lang.Thread)0x177 DestroyJavaVM running
Thread-0[1] suspend 0x176
Thread-0[1] cont
> Set deferred breakpoint com.sun.org.omg.CORBA.OperationDescriptionHelper.type

Breakpoint hit: " thread=Thread-1 " , com.sun.org.omg.CORBA.OperationDescriptionHelper.type(), line=60 bci=0

Thread-1[1] threadlocks
Monitor information for thread Thread-1:
  Owned monitor: instance of java.lang.Class(reflected class=com.sun.org.omg.CORBA.OperationDescriptionHelper, id=380)
  Not waiting for a monitor
Thread-1[1] threads
Group system:
  (java.lang.ref.Reference$ReferenceHandler)0x150 Reference Handler cond. waiting
  (java.lang.ref.Finalizer$FinalizerThread)0x14f Finalizer cond. waiting
  (java.lang.Thread)0x14e Signal Dispatcher running
Group main:
  (CorbaEDeadlock$1)0x176 Thread-0 running (at breakpoint)
  (CorbaEDeadlock$2)0x178 Thread-1 running (at breakpoint)
  (java.lang.Thread)0x177 DestroyJavaVM running
Thread-1[1] resume 0x176
Thread-1[1] cont
> ^\2013-03-22 21:29:15
Full thread dump Java HotSpot(TM) Server VM (23.6-b04 mixed mode):
[...]
Found one Java-level deadlock:
=============================
 " Thread-1 " :
  waiting to lock monitor 0x08ed0b68 (object 0xa4976aa8, a java.lang.Class),
  which is held by " Thread-0 "
 " Thread-0 " :
  waiting to lock monitor 0x08ecff4c (object 0xa49f0638, a java.lang.Class),
  which is held by " Thread-1 "

Java stack information for the threads listed above:
===================================================
 " Thread-1 " :
at com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type(ExceptionDescriptionHelper.java:60)
- waiting to lock <0xa4976aa8> (a java.lang.Class for com.sun.org.omg.CORBA.ExceptionDescriptionHelper)
at com.sun.org.omg.CORBA.OperationDescriptionHelper.type(OperationDescriptionHelper.java:123)
- locked <0xa49f0638> (a java.lang.Class for org.omg.CORBA.TypeCode)
- locked <0xa49f04c8> (a java.lang.Class for com.sun.org.omg.CORBA.OperationDescriptionHelper)
at CorbaEDeadlock$2.run(CorbaEDeadlock.java:7)
 " Thread-0 " :
at com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type(ExceptionDescriptionHelper.java:64)
- waiting to lock <0xa49f0638> (a java.lang.Class for org.omg.CORBA.TypeCode)
- locked <0xa4976aa8> (a java.lang.Class for com.sun.org.omg.CORBA.ExceptionDescriptionHelper)
at CorbaEDeadlock$1.run(CorbaEDeadlock.java:4)

Found 1 deadlock.

[...]

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The underlying JVM ought not to dweadlock
ACTUAL -
As demonstrated using jdb the program always deadlocks


ERROR MESSAGES/STACK TRACES THAT OCCUR :
Deadlocked stack.

REPRODUCIBILITY :
This bug can be reproduced often.

---------- BEGIN SOURCE ----------
ceems@ubuntu:~/phd-new/thesis/last-minus/deadlocks$ cat CorbaEDeadlock.java
/*<Cycle-2 locks= " org.omg.CORBA.TypeCode.class com.sun.org.omg.CORBA.ExceptionDescriptionHelper.class " >
<Thread-1>
<com.sun.org.omg.CORBA.OperationDescriptionHelper.class>com.sun.org.omg.CORBA.OperationDescriptionHelper.type:()Lorg/omg/CORBA/TypeCode;
<org.omg.CORBA.TypeCode.class>com.sun.org.omg.CORBA.OperationDescriptionHelper.type:()Lorg/omg/CORBA/TypeCode;#Lorg/omg/CORBA/TypeCode.class;#0=VarientOf=com.sun.org.omg.CORBA.OperationDescriptionHelper.type:()Lorg/omg/CORBA/TypeCode;
com.sun.org.omg.CORBA.ExceptionDescriptionHelper.class
<com.sun.org.omg.CORBA.ExceptionDescriptionHelper.class>com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type:()Lorg/omg/CORBA/TypeCode;
</Thread-1>
<Thread-2>
com.sun.org.omg.CORBA.ExceptionDescriptionHelper.insert:(Lorg/omg/CORBA/Any;Lcom/sun/org/omg/CORBA/ExceptionDescription;)V
<com.sun.org.omg.CORBA.ExceptionDescriptionHelper.class>com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type:()Lorg/omg/CORBA/TypeCode;
org.omg.CORBA.TypeCode.class
<org.omg.CORBA.TypeCode.class>com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type:()Lorg/omg/CORBA/TypeCode;#Lorg/omg/CORBA/TypeCode.class;#0=VarientOf=com.sun.org.omg.CORBA.ExceptionDescriptionHelper.type:()Lorg/omg/CORBA/TypeCode;
 *</Thread-2>
 *</Cycle-2>
 */
public class CorbaEDeadlock {
 public static void main(String[] args) {
  new Thread() {
   public void run() { (new com.sun.org.omg.CORBA.ExceptionDescriptionHelper()).type(); };
  }.start();
  new Thread() {
   public void run() { (new com.sun.org.omg.CORBA.OperationDescriptionHelper()).type(); };
  }.start();
 }
}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
No work around