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 3.2.0-54-generic-pae #82-Ubuntu SMP Tue Sep 10 20:29:22 UTC 2013 i686 i686 i386 GNU/Linux

A DESCRIPTION OF THE PROBLEM :
Execution of the attached program sometimes deadlocks!

REGRESSION. Last worked in version 7u10

ADDITIONAL REGRESSION INFORMATION:
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)


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run many times in background from a single command-line, and observe that not all of their executions terminate as expected !!

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
All executions must terminate
ACTUAL -
However, some deadlock !!

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Found one Java-level deadlock:
=============================
"Thread-1":
  waiting to lock monitor 0x6fc037a8 (object 0x707d93b8, a java.lang.Class),
  which is held by "Thread-0"
"Thread-0":
  waiting to lock monitor 0x6fc03744 (object 0x70663c48, 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.StructMemberHelper.type(StructMemberHelper.java:48)
- waiting to lock <0x707d93b8> (a java.lang.Class for com.sun.org.omg.CORBA.StructMemberHelper)
at com.sun.org.omg.CORBA.InitializerHelper.type(InitializerHelper.java:55)
- locked <0x70663c48> (a java.lang.Class for org.omg.CORBA.TypeCode)
- locked <0x705e3998> (a java.lang.Class for com.sun.org.omg.CORBA.InitializerHelper)
at CorbaSmhDeadlock$2.run(CorbaSmhDeadlock.java:25)
"Thread-0":
at com.sun.org.omg.CORBA.StructMemberHelper.type(StructMemberHelper.java:52)
- waiting to lock <0x70663c48> (a java.lang.Class for org.omg.CORBA.TypeCode)
- locked <0x707d93b8> (a java.lang.Class for com.sun.org.omg.CORBA.StructMemberHelper)
at com.sun.org.omg.CORBA.StructMemberHelper.insert(StructMemberHelper.java:32)
at CorbaSmhDeadlock$1.run(CorbaSmhDeadlock.java:20)

Found 1 deadlock.


REPRODUCIBILITY :
This bug can be reproduced occasionally.

---------- BEGIN SOURCE ----------
ceems@ubuntu:~/phd-new/thesis/last-minus/oopsla-tarball/deadlocks/src$ cat CorbaSmhDeadlock.java
/* <Cycle-2 locks=" com.sun.org.omg.CORBA.StructMemberHelper.class(1.3) org.omg.CORBA.TypeCode.class(1.2)(Update)">
 * <Thread-1>
 * com.sun.org.omg.CORBA.StructMemberHelper.insert:(Lorg/omg/CORBA/Any;Lorg/omg/CORBA/StructMember;)V
 * <com.sun.org.omg.CORBA.StructMemberHelper.class>com.sun.org.omg.CORBA.StructMemberHelper.type:()Lorg/omg/CORBA/TypeCode;
 * org.omg.CORBA.TypeCode.class
 * <org.omg.CORBA.TypeCode.class>com.sun.org.omg.CORBA.StructMemberHelper.type:()Lorg/omg/CORBA/TypeCode;#Lorg/omg/CORBA/TypeCode.class;#0=VarientOf=com.sun.org.omg.CORBA.StructMemberHelper.type:()Lorg/omg/CORBA/TypeCode;
 * </Thread-1>
 * <Thread-2>
 * <com.sun.org.omg.CORBA.InitializerHelper.class>com.sun.org.omg.CORBA.InitializerHelper.type:()Lorg/omg/CORBA/TypeCode;
 * <org.omg.CORBA.TypeCode.class>com.sun.org.omg.CORBA.InitializerHelper.type:()Lorg/omg/CORBA/TypeCode;#Lorg/omg/CORBA/TypeCode.class;#0=VarientOf=com.sun.org.omg.CORBA.InitializerHelper.type:()Lorg/omg/CORBA/TypeCode;
 * com.sun.org.omg.CORBA.StructMemberHelper.class
 * <com.sun.org.omg.CORBA.StructMemberHelper.class>com.sun.org.omg.CORBA.StructMemberHelper.type:()Lorg/omg/CORBA/TypeCode;
 * </Thread-2>
 * </Cycle-2>
 */

public class CorbaSmhDeadlock {
 public static void main(String[] args) {
  new Thread() {
   public void run() { com.sun.org.omg.CORBA.StructMemberHelper.insert(
                    new com.sun.corba.se.impl.corba.AnyImpl(
                    new com.sun.corba.se.impl.orb.ORBSingleton()), null); };
  }.start();
  new Thread() {
   public void run() { com.sun.org.omg.CORBA.InitializerHelper.type(); };
  }.start();
 }
}

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

CUSTOMER SUBMITTED WORKAROUND :
Run again and hoe for the best !!