Websphere群集服务器启动自停止并再无法启动！高手进来帮帮忙
websphere中建立集群，关联服务器，节点已全部启动且状态为已连接。群集也启动，过会后其中一台应用服务器状态自动变为停止，再单独启动该服务器时报错。
错误代码如下：
************* End Display Current Environment *************
[09-9-4 18:03:30:474 CST] 4673976e ManagerAdmin I TRAS0017I: 启动跟踪状态是 *=all=disabled。
[09-9-4 18:03:31:126 CST] 4673976e AdminInitiali A ADMN0015I: AdminService 初始化
[09-9-4 18:03:31:430 CST] 4673976e PMIImpl A PMI0001A：启用了 PMI
[09-9-4 18:03:32:159 CST] 4673976e Configuration A SECJ0215I: 成功地将 JAAS 登录提供程序配置类设置为 com.ibm.ws.security.auth.login.Configuration。
[09-9-4 18:03:32:188 CST] 4673976e SecurityDM I SECJ0231I: 成功注册了安全性组件的 FFDC 诊断模块 com.ibm.ws.security.core.SecurityDM：true。
[09-9-4 18:03:32:442 CST] 4673976e SecurityCompo I SECJ0309I: 禁用 Java 2 安全性。
[09-9-4 18:03:32:446 CST] 4673976e SecurityCompo I SECJ0212I: WCCM JAAS 配置信息已成功推送到登录提供程序类。
[09-9-4 18:03:32:458 CST] 4673976e SecurityCompo I SECJ0240I: 成功完成安全易做图初始化
[09-9-4 18:03:34:124 CST] 4673976e NameServerImp E NMSV0011E: 无法使用端口 9811 启动引导服务器。验证没有服务器或其它进程已正在使用引导服务器端口。同时验证正在使用具有足够（例如，root，管理员）特权的用户标识来启动引导服务器。
org.omg.CORBA.INTERNAL: CREATE_LISTENER_FAILED_4 vmcid: 0x49421000 minor code: 56 completed: No
[09-9-4 18:03:34:523 CST] 4673976e WsServer E WSVR0003E: 服务器 QHJWZH_server4 无法启动
com.ibm.ws.exception.RuntimeError: Unable to initialize the Name Service
at com.ibm.ws.naming.bootstrap.NameServerImpl.start(NameServerImpl.java:402)
at com.ibm.ws.runtime.component.ContainerImpl.startComponents(ContainerImpl.java:536)
at com.ibm.ws.runtime.component.ContainerImpl.start(ContainerImpl.java:413)
at com.ibm.ws.runtime.component.ServerImpl.start(ServerImpl.java:183)
at com.ibm.ws.runtime.WsServer.start(WsServer.java:128)
at com.ibm.ws.runtime.WsServer.main(WsServer.java:225)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:41)
at java.lang.reflect.Method.invoke(Method.java:386)
at com.ibm.ws.bootstrap.WSLauncher.main(WSLauncher.java:94)
Caused by: com.ibm.ws.naming.distcos.NameSpaceConstructionException: Unable to start bootstrap server using port 9811. Verify that no servers or other processes are already using the bootstrap server port. Also verify that the bootstrap server is being started with a user ID which has sufficient (e.g., root, Administrator) privileges.
at com.ibm.ws.naming.bootstrap.NameServerImpl.startBootstrapService(NameServerImpl.java:640)
at com.ibm.ws.naming.bootstrap.NameServerImpl.start(NameServerImpl.java:397)
... 10 more
Caused by: org.omg.CORBA.INTERNAL: CREATE_LISTENER_FAILED_4 vmcid: 0x49421000 minor code: 56 completed: No
at com.ibm.ws.orbimpl.transport.WSTransport.createListener(WSTransport.java:667)
at com.ibm.ws.orbimpl.transport.WSTransport.createListener(WSTransport.java:616)
at com.ibm.rmi.iiop.TransportManager.createListener(TransportManager.java:157)
at com.ibm.rmi.iiop.ORB.createListener(ORB.java:804)
at com.ibm.CORBA.iiop.ORB.createListener(ORB.java:3299)
at com.ibm.rmi.iiop.BootstrapServer.<init>(BootstrapServer.java:109)
at com.ibm.rmi.iiop.ORB.createBootstrapServer(ORB.java:813)
at com.ibm.CORBA.iiop.ORB.createBootstrapServer(ORB.java:3351)
at com.ibm.ws.naming.bootstrap.NameServerImpl.createBootstrapServer(NameServerImpl.java:688)
at com.ibm.ws.naming.bootstrap.NameServerImpl.startBootstrapService(NameServerImpl.java:633)
... 11 more
---- Begin backtrace for nested exception
com.ibm.ws.naming.distcos.NameSpaceConstructionException: Unable to start bootstrap server using port 9811. Verify that no servers or other processes are already using the bootstrap server port. Also verify that the bootstrap server is being started with a user ID which has sufficient (e.g., root, Administrator) privileges.
at com.ibm.ws.naming.bootstrap.NameServerImpl.startBootstrapService(NameServerImpl.java:640)
at com.ibm.ws.naming.bootstrap.NameServerImpl.start(NameServerImpl.java:397)
at com.ibm.ws.runtime.component.ContainerImpl.startComponents(ContainerImpl.java:536)
at com.ibm.ws.runtime.component.ContainerImpl.start(ContainerImpl.java:413)
at com.ibm.ws.runtime.component.ServerImpl.start(ServerImpl.java:183)
at com.ibm.ws.runtime.WsServer.start(WsServer.java:128)
at com.ibm.ws.runtime.WsServer.main(WsServer.java:225)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:41)
at java.lang.reflect.Method.invoke(Method.java:386)
at com.ibm.ws.bootstrap.WSLauncher.main(WSLauncher.java:94)
Caused by: org.omg.CORBA.INTERNAL: CREATE_LISTENER_FAILED_4 vmcid: 0x49421000 minor code: 56 completed: No
at com.ibm.ws.orbimpl.transport.WSTransport.createListener(WSTransport.java:667)
at com.ibm.ws.orbimpl.transport.WSTransport.createListener(WSTransport.java:616)
at com.ibm.rmi.iiop.TransportManager.createListener(TransportManager.java:157)
at com.ibm.rmi.iiop.ORB.createListener(ORB.java:804)
at com.ibm.CORBA.iiop.ORB.createListener(ORB.java:3299)
at com.ibm.rmi.iiop.BootstrapServer.<init>(BootstrapServer.java:109)
at com.ibm.rmi.iiop.ORB.createBootstrapServer(ORB.java:813)
at com.ibm.CORBA.iiop.ORB.createBootstrapServer(ORB.java:3351)
at com.ibm.ws.naming.bootstrap.NameServerImpl.createBootstrapServer(NameServerImpl.java:688)
at com.ibm.ws.naming.bootstrap.NameServerImpl.startBootstrapService(NameServerImpl.java:633)
... 11 more
---- Begin backtrace for nested exception
org.omg.CORBA.INTERNAL: CREATE_LISTENER_FAILED_4 vmcid: 0x49421000 minor code: 56 completed: No
at com.ibm.ws.orbimpl.transport.WSTransport.createListener(WSTransport.java:667)
at com.ibm.ws.orbimpl.transport.WSTransport.createListener(WSTransport.java:616)
at com.ibm.rmi.iiop.TransportManager.createListener(TransportManager.java:157)
at com.ibm.rmi.iiop.ORB.createListener(ORB.java:804)
at com.ibm.CORBA.iiop.ORB.createListener(ORB.java:3299)
at com.ibm.rmi.iiop.BootstrapServer.<init>(BootstrapServer.java:109)
at com.ibm.rmi.iiop.ORB.createBootstrapServer(ORB.java:813)
at com.ibm.CORBA.iiop.ORB.createBootstrapServer(ORB.java:3351)
at com.ibm.ws.naming.bootstrap.NameServerImpl.createBootstrapServer(NameServerImpl.java:688)
at com.ibm.ws.naming.bootstrap.NameServerImpl.startBootstrapService(NameServerImpl.java:633)
at com.ibm.ws.naming.bootstrap.NameServerImpl.start(NameServerImpl.java:397)
at com.ibm.ws.runtime.component.ContainerImpl.startComponents(ContainerImpl.java:536)
at com.ibm.ws.runtime.component.ContainerImpl.start(ContainerImpl.java:413)
at com.ibm.ws.runtime.component.ServerImpl.start(ServerImpl.java:183)
at com.ibm.ws.runtime.WsServer.start(WsServer.java:128)
at com.ibm.ws.runtime.WsServer.main(WsServer.java:225)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:41)
at java.lang.reflect.Method.invoke(Method.java:386)
at com.ibm.ws.bootstrap.WSLauncher.main(WSLauncher.java:94)
[09-9-4 18:03:34:534 CST] 4673976e WsServer E WSVR0009E: 启动期间发生错误
望高手指点，这个是什么原因造成的，如何解决 --------------------编程问答-------------------- 错误已经告诉你了，端口9811可能被占用了
"Unable to start bootstrap server using port 9811. Verify that no servers or other processes are already using the bootstrap server port. Also verify that the bootstrap server is being started with a user ID which has sufficient (e.g., root, Administrator) privileges."
补充：企业软件 , WebSphere
