I run a servlet on Tomcat3.3 and got the following error: java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:380) at org.apache.tomcat.core.ServerSession.setAttribute(Unknown = Source) at = org.apache.tomcat.facade.HttpSessionFacade.setAttribute(Unknown Sourc e) at org.apache.tomcat.facade.HttpSessionFacade.putValue(Unknown = Source) at = com.fub.its.servlet.SecuredServlet.setCurrentEmployee(SecuredServlet. java:162) at = com.fub.its.controller.DepartmentController.checkForSwitchToDepartmen t(DepartmentController.java:47) at = com.fub.its.controller.DepartmentController.doGet(DepartmentControlle r.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java) at = com.fub.its.servlet.ApplicationServlet.service(ApplicationServlet.jav a:160) at = com.fub.its.servlet.SecuredServlet.service(SecuredServlet.java:129) at javax.servlet.http.HttpServlet.service(HttpServlet.java) at org.apache.tomcat.facade.ServletHandler.doService(Unknown = Source) at org.apache.tomcat.core.Handler.invoke(Unknown Source) at org.apache.tomcat.core.Handler.service(Unknown Source) at org.apache.tomcat.facade.ServletHandler.service(Unknown = Source) at org.apache.tomcat.core.ContextManager.internalService(Unknown = Source)
at org.apache.tomcat.core.ContextManager.service(Unknown Source) at = org.apache.tomcat.modules.server.Http10Interceptor.processConnection( Unknown Source) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown = Source) at = org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown Source) at java.lang.Thread.run(Thread.java:484) ------End of System Error------------------------------- -------------------------------------------------------- Can anyone kindly tell me what is wrong with my setting? I changed the expiration time for session in server.xml and I am sure the SessionIdGenerator is set too. Bill -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>