Error on Portal Logon Page

Hi Experts,
We are getting exception while calling the Portal URL.
Recently, we changed the password policy and made some customizations on the com.sap.portal.runtime.logon.par file.
After that when I tried to access the Logon page, it gave an exception.
I even replaced the customized logon par file with the original one but it did not help.
Please note that I deployed the logon par file with the same name, so I did not have to make any changes in the authschemes.xml file.
So ideally when I replaced the customized PAR file with the original one, it should have worked out.
Can it be because of some UME property "Password Policy change" or something like that which has been changed by our Basis team in the Config tool and which is creating issues now.
Is there any connection between the UME property and the Portal Logon page? I know that UME comes into picture once the user clicks on Login button after entering the login credentials but does it also come in picture at the portal logon page call?
We are not able to trace out the root cause as both Password Policy Change and deployment of PAR was done parallely due to which we are confused about the cause of the issue.
Please find below the trace against the exception ID:
#1.5 #5CF3FC5B7E1C00670000000300001B400004ACA7F25E4315#1315737232519#com.sap.portal.prt.runtime#sap.com/irj#com.sap.portal.prt.runtime#Guest#0##n/a##8b1ef68fdc6111e0a5840000061bff66#SAPEngine_Application_Thread[impl:3]_24##0#0#Error##Java###04:03_11/09/11_102498150 An error occured in iView: N/A in component: N/A##
#1.5 #5CF3FC5B7E1C00660000000100001B400004ACA7F2896FC1#1315737235348#com.sap.portal.prt.runtime.broker#sap.com/irj#com.sap.portal.prt.runtime.broker#Guest#0##n/a##184d79b1dc6111e087880000061bff66#SAPEngine_Application_Thread[impl:3]_8##0#0#Error##Plain###Shutting down Application Brokerage...#
#1.5 #5CF3FC5B7E1C00660000000800001B400004ACA7F2940472#1315737236039#com.sap.portal.prt.runtime.broker#sap.com/irj#com.sap.portal.prt.runtime.broker#Guest#0##n/a##184d79b1dc6111e087880000061bff66#SAPEngine_Application_Thread[impl:3]_8##0#0#Error#1#/System/Server#Java###[PortalServiceItem.release] exception caught releasing com.sap.netweaver.coll.appl.rtc|RTCClientPollingService
[EXCEPTION]
#1#java.lang.NullPointerException
     at com.sap.ip.collaboration.core.api.rtmf.core.RTMFMessaging.unsubscribe(RTMFMessaging.java:1040)
     at com.sap.ip.collaboration.core.api.rtmf.core.cluster.ClusterSystemManager.unsubscribe(ClusterSystemManager.java:133)
     at com.sap.ip.collaboration.core.api.semantic.services.RTCBaseService.destroy(RTCBaseService.java:146)
     at com.sapportals.portal.prt.core.broker.PortalServiceItem.release(PortalServiceItem.java:389)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.releaseDependents(ApplicationItem.java:223)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.releaseDependents(PortalApplicationItem.java:1159)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:476)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.release(PortalApplicationItem.java:1194)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.releaseDependents(ApplicationItem.java:223)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.releaseDependents(PortalApplicationItem.java:1156)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:476)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.release(PortalApplicationItem.java:1194)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.releaseDependents(ApplicationItem.java:223)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.releaseDependents(PortalApplicationItem.java:1156)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:476)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.release(PortalApplicationItem.java:1194)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.releaseDependents(ApplicationItem.java:223)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.releaseDependents(PortalApplicationItem.java:1156)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:476)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.release(PortalApplicationItem.java:1194)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.releaseDependents(ApplicationItem.java:223)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.releaseDependents(PortalApplicationItem.java:1156)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:476)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.release(PortalApplicationItem.java:1194)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.releaseDependents(ApplicationItem.java:223)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.releaseDependents(PortalApplicationItem.java:1156)
     at com.sapportals.portal.prt.core.broker.ApplicationItem.release(ApplicationItem.java:476)
     at com.sapportals.portal.prt.core.broker.PortalApplicationItem.release(PortalApplicationItem.java:1194)
     at com.sapportals.portal.prt.core.broker.PortalAppBroker.releaseAllItems(PortalAppBroker.java:575)
     at com.sapportals.portal.prt.core.broker.PortalAppBroker.shutdown(PortalAppBroker.java:680)
     at com.sapportals.portal.prt.runtime.Portal.shutdown(Portal.java:725)
     at com.sapportals.portal.prt.core.PortalCoreInitializer.shutdown(PortalCoreInitializer.java:111)
     at com.sapportals.portal.prt.dispatcher.PortalInitializer.shutdown(PortalInitializer.java:164)
     at com.sapportals.portal.prt.dispatcher.Dispatcher.destroy(Dispatcher.java:651)
     at com.sap.engine.services.servlets_jsp.server.runtime.context.WebComponents.destroyServlets(WebComponents.java:731)
     at com.sap.engine.services.servlets_jsp.server.container.ApplicationThreadDestroyer.run(ApplicationThreadDestroyer.java:62)
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)
#1.5 #5CF3FC5B7E1C006F00000002000016140004ACA819F31491#1315737896495#com.sap.portal.prt.runtime#sap.com/irj#com.sap.portal.prt.runtime#Guest#0##n/a##1647a148dc6311e0aaaa0000061bff66#SAPEngine_Application_Thread[impl:3]_9##0#0#Error##Java###04:14_11/09/11_102498150 An error occured in iView: N/A in component: N/A##
#1.5 #5CF3FC5B7E1C007000000000000016140004ACA81A149C1D#1315737898689#com.sap.portal.portal#sap.com/irj#com.sap.portal.portal#Guest#0##n/a##18319b2cdc6311e092af0000061bff66#SAPEngine_Application_Thread[impl:3]_14##0#0#Error#1#/System/Server#Java###An error occured during authscheme computation.
[EXCEPTION]
#1#com.sapportals.portal.prt.component.PortalComponentException: Error in init method
Component : com.sap.portal.runtime.logon.certlogon
     at com.sapportals.portal.prt.component.PortalComponentContext.init(PortalComponentContext.java:251)
     at com.sapportals.portal.prt.core.broker.PortalComponentContextItem.refresh(PortalComponentContextItem.java:271)
     at com.sapportals.portal.prt.core.broker.PortalComponentContextItem.getContext(PortalComponentContextItem.java:316)
     at com.sapportals.portal.prt.component.PortalComponentRequest.getComponentContext(PortalComponentRequest.java:387)
     at com.sapportals.portal.prt.service.authenticationservice.AuthenticationService.getLogonIView(AuthenticationService.java:233)
     at com.sapportals.portal.prt.service.hook.SecurityHookService.doNodeHook(SecurityHookService.java:177)
     at com.sapportals.portal.prt.connection.PortalHook.doNodeHook(PortalHook.java:469)
     at com.sapportals.portal.prt.pom.factory.ComponentNodeFactory.newInstance(ComponentNodeFactory.java:138)
     at com.sapportals.portal.prt.pom.factory.ComponentNodeFactory.newInstance(ComponentNodeFactory.java:50)
     at com.sapportals.portal.prt.pom.PortalNode.createComponentNode(PortalNode.java:275)
     at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:617)
     at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:235)
     at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:541)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:430)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.doWork(RequestDispatcherImpl.java:321)
     at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:377)
     at com.sap.portal.navigation.Gateway.service(Gateway.java:117)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1060)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)
     at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
     at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
     at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)
Caused by: com.sapportals.portal.prt.core.broker.PortalComponentInstantiationException: Could not instantiate implementation class com.sapportals.portal.ume.component.logon.SAPMLogonCertComponent of Portal Component com.sap.portal.runtime.logon.certlogon because: Linkage error while loading implementation class
     at com.sapportals.portal.prt.core.broker.PortalComponentItemFacade.getInstanceInternal(PortalComponentItemFacade.java:234)
     at com.sapportals.portal.prt.core.broker.PortalComponentItemFacade.getComponentInstance(PortalComponentItemFacade.java:160)
     at com.sapportals.portal.prt.core.broker.PortalComponentItem.getComponentInstance(PortalComponentItem.java:732)
     at com.sapportals.portal.prt.component.PortalComponentContext.getComponent(PortalComponentContext.java:103)
     at com.sapportals.portal.prt.component.PortalComponentContext.init(PortalComponentContext.java:242)
     ... 33 more
Caused by: java.lang.NoClassDefFoundError: com/sap/security/core/logonadmin/IAccessToLogic
     at java.lang.Class.forName0(Native Method)
     at java.lang.Class.forName(Class.java:219)
     at com.sapportals.portal.prt.core.broker.PortalComponentItemFacade.getInstanceInternal(PortalComponentItemFacade.java:228)
     ... 37 more
Thanks & Regards.
Anurag

Hi,
Check if your portalapp.xml has an entry "<property name="ClassName" value="com.sapportals.portal.ume.component.logon.SAPMLogonComponent"/>"
If it is there, then I feel that this is an issue with jar files not getting imported properly.
Just try including these two jars (umlogonbase.jar and com.sap.portal.runtime.logon_api.jar) from
usr\sap\J2E\JC00\j2ee\cluster\server0\apps\sap.com\irj\servlet_jsp\irj\root\WEB-INF\portal\portalapps\com.sap.portal.runtime.logon\lib
and copy manually to the lib folder under PORTAL-INF in your project.
Regards,
Vijay.

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Message was edited by:
        Jan Laros

Hai Laros,
I have gone through this issue...
I think your Portal is EP 7.0 SP12..
For logon page weare using two jar files umelogonbase.jar and com.sap.portal.runtime.logon_api.jar
There is some change in code of umelogonbase.jar file in SP12
com.sap.security.core.sapmimp.logon.logonbean method getLogonHelp
In SP12
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private static boolean checkPermission(String permissionName)
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        if(trace.bePath())
            trace.entering("checkPermission", new Object[] {
                permissionName
        try
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                if(trace.beDebug())
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                    trace.debugT("checkPermission", "The current user is [{0}].", new Object[] );
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In SP10 code was
public boolean getLogonHelp()
        return mySAPProperties.getBoolean("ume.logon.logon_help", true);
In your jsp page
if ( logonBean.getLogonHelp() ){
//code
logonBean.getLogonHelp() retuning true because of additional <b>LogonApplicationPermission</b> checking....
I think you got my point....
With reagrds
Eldose
Eldose

Portal Logon Page Functionality

Hi,
I am new to the portal world.
I am trying to customize the logon page. I read the weblogs that describe the process.I wanted to know the functionality of the logon page ie: how the authentication takes place and the role of the various packages imported at the beginning of the jsp file.
Please help me in understanding the functionality.
Thnx,
Pravesh Puria.

There are Login Modules which handles the authentication job.You can configure different types of authentications like LDAP, Active Directory or other 3rd party modules. . For detailed information visit
<a href="http://help.sap.com/saphelp_nw04/helpdata/en/8c/f03541c6afd92be10000000a1550b0/frameset.htm">Login Modules and Login Module Stacks</a>
However, if you just want to customize logon page, you don't need to deal with login modules. If you want to add extra functionality, please give more details.
Regards
Abdul.

Portal Logon Page Customization

Hi,
I have a requirement where I needs to load different images on the Logon page dynamically each time the page is loaded on the browser or when the user clicks the refresh button on the interent explorer.
My questions :-
1)Has anybody already have undegone this scenario. Whether this scenario is possible in EP?
2)Any javascript code samples or links for the same.
3)when I reload the page I am calling a javascript function on the body tag on the event onLoad() of the page.
4)My doubt is if I put my own javascript function for dynamically changing the images on the logon page and upload the file in to the pcs folder,will the Portal runtime will pick it or not?
Suitable and helping answer will be rewarded.
Regards,
Balaji S

Hi,
You modify in the logon JSP the code to the following:
You create variable in a session scope and increment that whenever you call the JSP until a certain number is reached. then you set it back to 0.
The imagename in the JSP would be "logonimage"+ counter +".gif"
Hope that helps,
Kai

Error on Portal Logon Page

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