[STUCK] ExecuteThread: ReentrantLock$NonfairSync.lock

The Weblogic present a error stuck!! and users have problems of conexion!!!

for example:

"[STUCK] ExecuteThread: '2' for queue: 'weblogic.kernel.Default (self-tuning)'" id=36 idx=0xa4 tid=5372 prio=1 alive, parked, native_blocked, daemon
         
                -- Parking to wait for: java/util/concurrent/locks/ReentrantLock$NonfairSync@0x0000000187FDAE18
                         at jrockit/vm/Locks.park0(J)V(Native Method)
                         at jrockit/vm/Locks.park(Locks.java:2230)[inlined]
                         at jrockit/proxy/sun/misc/Unsafe.park(Unsafe.java:616)[inlined]
                          at java/util/concurrent/locks/LockSupport.park(LockSupport.java:156)[inlined]
                          at java/util/concurrent/locks/AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)[inlined]
                          at java/util/concurrent/locks/AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:842)[inlined]