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author's profile photo Former Member
Former Member

Portal content sometimes can't display in some users client

Dear all,

We meet a strange issue about Portal sometimes.

Some pages or content such as the UME can't display in some users client in English while they are all ok before. And they try login in Chinese language all OK too, and turn back to English the issue appear again. The error log like below, and i search the message in internat and got little hlep.

Anybody can help?

Best Regards!

500 Internal Server Error

SAP NetWeaver Application Server 7.00/Java AS 7.00

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:

com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: ComponentUsage(FPMConfigurationUsage): Active component must exist when getting interface controller. (Hint: Have you forgotten to create it with createComponent()? Should the lifecycle control of the component usage be "createOnDemand"?

at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.ensureActiveComponent(ComponentUsage.java:773)

at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.getInterfaceControllerInternal(ComponentUsage.java:348)

at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.getInterfaceController(ComponentUsage.java:335)

at com.sap.pcuigp.xssfpm.wd.wdp.InternalFPMComponent.wdGetFPMConfigurationUsageInterface(InternalFPMComponent.java:245)

at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.changeToExceptionPerspective(FPMComponent.java:862)

... 60 more

See full exception chain for details.

Edited by: mooncd mooncd on Mar 3, 2010 3:57 AM

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4 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Mar 03, 2010 at 09:27 AM

    From the error it seems that the portal application is unable to connect to the SAP Backend when the language is English. Please check the language settings of the JCos configured.

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  • author's profile photo Former Member
    Former Member
    Posted on Mar 03, 2010 at 09:45 AM

    Dear,

    Thanks for you reply, but the others can view the page normal in both English and Chinese. And the issue user can display some days before. Any way, i will check the JCO config again. Thanks!

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  • author's profile photo Former Member
    Former Member
    Posted on Mar 03, 2010 at 09:50 AM

    Hi,

    For me the error looks mor on the component usage. Are you sure the component is created properly? Check what is the lifecycle of the component?

    Regards,

    Vijith

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  • author's profile photo Former Member
    Former Member
    Posted on Mar 04, 2010 at 02:01 AM

    Dear Vijith ,

    Thanks for your attention. Could you kindly guide me how to check the lifecycle of component? Sorry for know little about Portal as a BASIS man.

    But it seems still hardly to explain why the page work normal in most time in most usre's clients while someone meet the issue in English enviroment but all are OK in Chinese Logon.

    And sometimes the issue disappeared after a Portal restart, and occured again after a long period. So i follow this thread :

    exception-occured-during-processing-of-web-dynpro-

    to increase the max connection parameter of JCos, but not sure if the issue will come back sometime.

    Still wait for any other possible advice. Thanks a lot!

    Best Regards!!

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    • Former Member

      Hi, mooncd

      i've met the same problem.

      Just changed the max connection parameter of JCos your app used, or check the connection session in ECC.

      Otherwise, if some webdynpro app didn't release session in time, it will cause the Exception too.

      Hope it will solve your problem.

      Regards,

      Fishy

      Edited by: fishy yu on Mar 4, 2010 3:45 AM

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