Oracle Forms OC4J keep stop

12/03/05 12:12:20 ListenerServlet init()
12/03/05 17:07:16 Forms session <125> aborted: unable to communicate with runtime process.
12/03/07 00:51:51 Shutting down...
12/03/07 00:51:53 Thread named: Thread[AJPRequestHandler-ApplicationServerThread-5,1,ApplicationServerThreadGroup] cannot be interrupted

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12/03/07 00:52:05 Start process
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12/03/07 00:52:08 FormsServlet init():
    configFileName:     /oracle/FRHome_1/forms/server/formsweb.cfg
    testMode:           false
12/03/07 00:52:08 Oracle Application Server Containers for J2EE 10g (10.1.2.3.0) initialized
12/03/07 00:52:54 ListenerServlet init()
12/03/08 13:54:45 Forms session <790> aborted: unable to communicate with runtime process.
12/03/08 13:55:48 Forms session <1,075> aborted: unable to communicate with runtime process.
12/03/08 21:13:54 Forms session <1,362> aborted: unable to communicate with runtime process.
12/03/08 21:20:59 Forms session <1,369> aborted: unable to communicate with runtime process.
12/03/09 15:04:45 Forms session <1,448> aborted: unable to communicate with runtime process.
12/03/10 18:07:05 Forms session <1,854> aborted: unable to communicate with runtime process.