The StuckThreadMaxTime error freeze my system, no one can logged in.I have double checked the thread dumps, but get no help.

The following is the thread dumps:

<2004-12-7 上午05时56分47秒 GMT+08:00>
<2004-12-7 上午05时56分47秒 GMT+08:00>
<2004-12-7 上午10时09分32秒 GMT+08:00>
<2004-12-7 上午10时09分32秒 GMT+08:00>
<2004-12-7 上午10时09分32秒 GMT+08:00>
Full thread dump Java HotSpot(TM) VM (1.4.2 1.4.2.03-040401-18:59-PA_RISC2.0 PA2.0 (aCC_AP) mixed mode):

"ExecuteThread: '14' for queue: 'JmsDispatcher'" daemon prio=5 tid=01c3f778 nid=71 lwp_id=39624 in Object.wait() [0x61abf000..0x61abf4f0]
at java.lang.Object.wait(Native Method)
- waiting on <6d1d24f8> (a weblogic.kernel.ExecuteThread)
at java.lang.Object.wait(Object.java:429)
at weblogic.kernel.ExecuteThread.waitForRequest(Execu teThread.java:153)
- locked <6d1d24f8> (a weblogic.kernel.ExecuteThread)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.ja va:172)

"ExecuteThread: '13' for queue: 'JmsDispatcher'" daemon prio=5 tid=01c3f610 nid=70 lwp_id=39623 in Object.wait() [0x61b40000..0x61b404f0]
at java.lang.Object.wait(Native Method)
- waiting on <6d1d2578> (a weblogic.kernel.ExecuteThread)
at java.lang.Object.wait(Object.java:429)
at weblogic.kernel.ExecuteThread.waitForRequest(Execu teThread.java:153)
- locked <6d1d2578> (a weblogic.kernel.ExecuteThread)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.ja va:172)

"ExecuteThread: '12' for queue: 'JmsDispatcher'" daemon prio=5 tid=01c3f4a8 nid=69 lwp_id=39622 in Object.wait() [0x61bc1000..0x61bc14f0]
at java.lang.Object.wait(Native Method)
- waiting on <6d1d25f8> (a weblogic.kernel.ExecuteThread)
at java.lang.Object.wait(Object.java:429)
at weblogic.kernel.ExecuteThread.waitForRequest(Execu teThread.java:153)
- locked <6d1d25f8> (a weblogic.kernel.ExecuteThread)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.ja va:172)

"ExecuteThread: '11' for queue: 'JmsDispatcher'" daemon prio=5 tid=01c3f340 nid=68 lwp_id=39621 in Object.wait() [0x61c42000..0x61c424f0]
at java.lang.Object.wait(Native Method)
- waiting on <6d1d2678> (a weblogic.kernel.ExecuteThread)
at java.lang.Object.wait(Object.java:429)
at weblogic.kernel.E