on 12-06-2008 12:52 AM
hello all,
I am working on ess personal information->personal data web dynpro application.
backend guys add a extra field in rfc strucure i have to just display this field on screen.
i did reimport model ,
then did the model binding for this extra added field.
then i build the application and deployed it .
but after that i getting an error but if i remove that extra field from mapping then there is no error .
jco is ok.
below is the error
com.sap.tc.webdynpro.modelimpl.dynamicrfc.WDDynamicRFCExecuteException: Access via NULL object reference not possible., error key: RFC_ERROR_SYSTEM_FAILURE
at com.sap.tc.webdynpro.modelimpl.dynamicrfc.DynamicRFCModelClassExecutable.execute(DynamicRFCModelClassExecutable.java:101)
at com.sap.xss.per.fc.persinfo.FcPersInfo.onCleanup(FcPersInfo.java:614)
at com.sap.xss.per.fc.persinfo.wdp.InternalFcPersInfo.onCleanup(InternalFcPersInfo.java:807)
at com.sap.xss.per.fc.persinfo.FcPersInfoInterface.onCleanup(FcPersInfoInterface.java:246)
at com.sap.xss.per.fc.persinfo.wdp.InternalFcPersInfoInterface.onCleanup(InternalFcPersInfoInterface.java:299)
at com.sap.xss.per.fc.persinfo.wdp.InternalFcPersInfoInterface$External.onCleanup(InternalFcPersInfoInterface.java:463)
at com.sap.pcuigp.xssfpm.wd.FPMComponent.cleanUp(FPMComponent.java:645)
at com.sap.pcuigp.xssfpm.wd.FPMComponent.access$1000(FPMComponent.java:78)
at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.exitCalled(FPMComponent.java:965)
at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPMProxy.exitCalled(FPMComponent.java:1136)
at com.sap.pcuigp.xssfpm.wd.BackendConnections.wdDoExit(BackendConnections.java:124)
at com.sap.pcuigp.xssfpm.wd.wdp.InternalBackendConnections.wdDoExit(InternalBackendConnections.java:228)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingCustomController.doExit(DelegatingCustomController.java:77)
at com.sap.tc.webdynpro.progmodel.controller.Controller.exitController(Controller.java:180)
at com.sap.tc.webdynpro.progmodel.controller.Controller.exit(Controller.java:154)
at com.sap.tc.webdynpro.progmodel.controller.Component.exitController(Component.java:251)
at com.sap.tc.webdynpro.progmodel.controller.Controller.exit(Controller.java:154)
at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.exit(ClientComponent.java:219)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.exit(ClientApplication.java:474)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.destroy(ClientApplication.java:527)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.destroy(ApplicationSession.java:396)
at com.sap.tc.webdynpro.clientserver.session.ClientWindow.destroyApplicationSession(ClientWindow.java:235)
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doDestroyApplication(ClientSession.java:1003)
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doSessionManagementPostProcessing(ClientSession.java:789)
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:264)
at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149)
at com.sap.tc.webdynpro.clientserver.session.core.ApplicationHandle.doProcessing(ApplicationHandle.java:73)
at com.sap.tc.webdynpro.portal.pb.impl.AbstractApplicationProxy.sendDataAndProcessActionInternal(AbstractApplicationProxy.java:860)
at com.sap.tc.webdynpro.portal.pb.impl.AbstractApplicationProxy.create(AbstractApplicationProxy.java:220)
at com.sap.portal.pb.PageBuilder.updateApplications(PageBuilder.java:1288)
at com.sap.portal.pb.PageBuilder.createPage(PageBuilder.java:355)
at com.sap.portal.pb.PageBuilder.init(PageBuilder.java:548)
Thanks .
Punit
J2ee engine restart solve the problem
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Hi Punit,
Follow the two things
1. Make sure that the JCO you are using is working fine.
Check that the userid and password is still valid.
2. Check whether the RFC is working fine or any changes happened? Log in with the user same as portal and then execute the RFC.
3. Restart your server and NWDS.
it will solve your problem.
thanks
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Punit,
did you check the trace in st22.
It seems like a backend problem not the frontend
Thanks
Bala Duvvuri
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