Java.lang.NullPointerException in MSS iviews

Question

Hi,
Can any one tell me the reasons for getting the below error? Only one user is getting this error while viewing all MSS Iviews.
<b>Error:</b> java.lang.NullPointerException
<b>Log Overview:</b>
PortalComponentSession.putValue() failed
[EXCEPTION]
java.lang.NullPointerException
        at java.util.Hashtable.put(Hashtable.java(Compiled Code))
        at com.sapportals.portal.prt.component.PortalComponentSession.putValue(PortalComponentSession.java(Compiled Code))
        at com.sap.pct.hcm.employeeprofile.genericiviewtable.GenericIviewTablePage.beforePdvExecuteSource(GenericIviewTablePage.java:55)
        at com.sapportals.pct.util.pdv.PDVJspDynPage.doProcessBeforeOutput(PDVJspDynPage.java:128)
        at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java(Compiled Code))
        at com.sapportals.portal.htmlb.page.PageProcessorComponent.doContent(PageProcessorComponent.java(Compiled Code))
        at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java(Compiled Code))
        at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java(Compiled Code))
        at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java(Compiled Code))
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java(Compiled Code))
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java(Compiled Code))
        at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java(Compiled Code))
        at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java(Compiled Code))
        at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java(Compiled Code))
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java(Compiled Code))
        at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java(Compiled Code))
        at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java(Compiled Code))
        at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java(Compiled Code))
        at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java(Compiled Code))
        at java.security.AccessController.doPrivileged1(Native Method)
        at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
        at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java(Compiled Code))
        at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
        at com.sap.engine.services.servlets_jsp.server.servlet.InvokerServlet.service(InvokerServlet.java(Compiled Code))
        at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
        at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java(Compiled Code))
        at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java(Compiled Code))
        at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java(Inlined Compiled Code))
        at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java(Compiled Code))
        at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java(Compiled Code))
        at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java(Compiled Code))
        at com.sap.engine.services.httpserver.server.Client.handle(Client.java(Inlined Compiled Code))
        at com.sap.engine.services.httpserver.server.Processor.request(Processor.java(Compiled Code))
        at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java(Compiled Code))
        at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java(Compiled Code))
        at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java(Compiled Code))
        at java.security.AccessController.doPrivileged1(Native Method)
        at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
        at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java(Compiled Code))
        at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java(Compiled Code))
<b>Default trace:</b>
#1.5#000255AF6E28002F00000526000C20B0000420A586EC226E#1161795212157#com.sap.portal.portal#sap.com/irj#com.sap.portal.portal#usera1#513560####58b79ca0644911dba4c5000255af6e28#SAPEngine_Application_Thread[impl:3]_32##0#0#Error#1#/System/Server#Plain##
#ErrorPage: java.lang.NullPointerException#
#1.5#000255AF6E28001900000547000C20B0000420A586FDA259#1161795213304#System.err#sap.com/irj#System.err#usera1#513557##ri3023_UWP_108418750#usera1#585d6eb0644911dba163000255af6e28#SAPEngine_Application_Thread[impl:3]_4##0#0#Error##Plain###     at com.sap.pct.hcm.teamviewer.TeamViewerPage.getJSCodeCheckCookie(TeamViewerPage.java(Compiled Code))#
Thanks in Advance,
Swapna.

Answer 1

Hi ,
One thing i can say is the Null Pointer Exceptin when ther is no value in the field which has been submiited .The code shd be written in the try and catch block so that u can know hwat is the error all about .
just check in the Ui which u have made is the user having data reated to that .
pls awrd pts if useful