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Encountered this error message 500 Internal Server Error at EP

Former Member
0 Kudos

Hi,

I have encountered this error at EP, when trying to approve (cancelled leave request) in the EP. Can please advise how to correct this webdynpro error?

Failed to process request. Please contact your system administrator.

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Error Summary

While processing the current request, an exception occured which could not be handled by the application or the framework.

If the information contained on this page doesn't help you to find and correct the cause of the problem, please contact your system administrator. To facilitate analysis of the problem, keep a copy of this error page. Hint: Most browsers allow to select all content, copy it and then paste it into an empty document (e.g. email or simple text file).

Root Cause

The initial exception that caused the request to fail, was:

java.lang.NullPointerException

at com.sap.xss.hr.lea.form.edit.EditView.wdDoModifyView(EditView.java:224)

at com.sap.xss.hr.lea.form.edit.wdp.InternalEditView.wdDoModifyView(InternalEditView.java:2064)

at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doModifyView(DelegatingView.java:78)

at com.sap.tc.webdynpro.progmodel.view.View.modifyView(View.java:191)

at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.doModifyView(ClientComponent.java:398)

java.lang.NullPointerException

at com.sap.xss.hr.lea.form.edit.EditView.wdDoModifyView(EditView.java:224)

at com.sap.xss.hr.lea.form.edit.wdp.InternalEditView.wdDoModifyView(InternalEditView.java:2064)

at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doModifyView(DelegatingView.java:78)

at com.sap.tc.webdynpro.progmodel.view.View.modifyView(View.java:191)

at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.doModifyView(ClientComponent.java:398)

at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.doModifyView(ClientComponent.java:405)

at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.modifyView(ClientApplication.java:692)

at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleActionEvent(WebDynproMainTask.java:382)

at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:659)

at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59)

at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:251)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:154)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:116)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:55)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)

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:387)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:365)

at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:944)

at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:266)

at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)

at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:160)

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:100)

at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)

Thanks & Regards,

GC.

Accepted Solutions (0)

Answers (4)

Answers (4)

Former Member
0 Kudos

Hi,

I am Grace's colleague and also working on this case.

Could you also kindly advise how should be import this particular application from production into the NWDS? As this apps has been given as a .ear file and deployed via SDM. We do not have a existing .project file to make modification on.

Pls kindly advise. Many thanks in advance.

Best regards

Yufen

former_member189631
Active Contributor
0 Kudos

Grace,

  • The error sounds that thr is a problem in modifiview Method.

*Try check for null values before processing your context nodes and attributes.

Regards,

Ramganesan K.

Former Member
0 Kudos

Thanks for your reply. We will check and hopefully can resolve this problem.

Former Member
0 Kudos

Grace,

Error stack trace explains that you have some code in wdDoModifyView of view EditView that tries to dereference null reference.

So debug your application and check where null is returned but your code assumes that valid object reference comes.

As practice shows, the most probable reason for such errors in wdDoModifyView is view.getElement("misspelled-id"). So check this first.

Valery Silaev

SaM Solutions

http://www.sam-solutions.net