websphere application server 管理控制台 无法登陆
我在登陆WAS的管理控制台时，总是提示：会话已变成无效
您的会话已变成无效的了。这可能是由于会话超时，管理员已将您注销，或另一个用户用相同的用户标识登录使您的会话失效。
或者:
另一个用户当前以同一个用户标识登录。从下列选项中选择：
注销另一个使用同一用户标识的用户。这将使您能够恢复在该用户会话中所做的更改。
返回到登录页面并输入不同的用户标识。
返回到登录页面并等待使用同一用户标识的另一个用户注销。
无论用什么帐号都是这两种情况。请高手指点一下应该怎么办。
systermOut.log的内容如下：
[08-5-18 2:53:30:844 CST] 0000004d ServletWrappe A SRVE0242I: [/secure/logon.jsp]：初始化成功。
[08-5-18 2:53:32:047 CST] 0000004d ServletWrappe A SRVE0242I: [/secure/layouts/browser_detection.jsp]：初始化成功。
[08-5-18 2:53:32:688 CST] 0000004d ServletWrappe A SRVE0242I: [/secure/tiles/banner.jsp]：初始化成功。
[08-5-18 2:53:35:375 CST] 0000004d TilesRequestP I Tiles definition factory found for request processor ''.
[08-5-18 2:53:37:703 CST] 0000004d WorkSpaceMana A WKSP0023I: Workspace configuration consistency check is enabled.
[08-5-18 2:53:41:938 CST] 0000004d ServletWrappe A SRVE0242I: [/secure/console.jsp]：初始化成功。
[08-5-18 2:53:42:375 CST] 0000004c ServletWrappe A SRVE0242I: [/secure/banner.jsp]：初始化成功。
[08-5-18 2:53:42:453 CST] 0000004d ServletWrappe A SRVE0242I: [/secure/navigator.jsp]：初始化成功。
[08-5-18 2:53:42:547 CST] 00000055 ServletWrappe A SRVE0242I: [/unsecure/sessionInvalid.jsp]：初始化成功。
[08-5-18 2:53:42:750 CST] 00000055 ServletWrappe A SRVE0242I: [/secure/content.jsp]：初始化成功。
[08-5-18 2:53:42:781 CST] 0000004d ServletWrappe A SRVE0242I: [/secure/layouts/navigatorLayout.jsp]：初始化成功。
[08-5-18 2:53:43:359 CST] 0000004d ServletWrappe E SRVE0068E: 无法调用 servlet /secure/layouts/navigatorLayout.jsp 的 service() 方法。抛出异常：java.lang.NullPointerException
at _ibmjsp.secure.layouts._navigatorLayout._jspService(_navigatorLayout.java:270)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:171)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.handleRequest(JSPExtensionProcessor.java:230)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.include(WebAppRequestDispatcher.java:552)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:1034)
at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:475)
at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:137)
at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:177)
at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:756)
at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:881)
at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:473)
at _ibmjsp.secure._navigator._jspx_meth_tiles_insert_0(_navigator.java:133)
at _ibmjsp.secure._navigator._jspService(_navigator.java:93)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:171)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.handleRequest(JSPExtensionProcessor.java:230)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:2841)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:220)
at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:204)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1681)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:421)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:367)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:276)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:201)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:103)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:548)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:601)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:934)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1021)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)
[08-5-18 2:53:43:422 CST] 0000004d LocalTranCoor E WLTC0017E: 资源回滚，因为调用 setRollbackOnly()。
补充：企业软件 , WebSphere
