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Error - 404 Application Not Found - Failed to process request

Hi team,

While accessing the java applications on NWA on PI 7.1 system , we get an error :

404  Application Not Found  SAP NetWeaver Application Server/Java AS 

Failed to process the request: Request refers to an unknown session

While clicking on the same , 2-3 times , although the error goes away , but appears again after sometime.

This is faced daily and comes on and off. Screenshot attached hereby.

Please let us know the resolution for the same.


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1 Answer

  • Apr 10, 2012 at 01:57 PM

    IMO, It happens the third case c.

    the target system uses session and maintain your user credentials (login details). If the session timeout, the credentials are removed from the session and so when you click more than one time, it creates one on the target side and maintains again.  This session stays alive for some particular duration. If there is no trigger from interface the session fails and create one after your first call again. So you see this problem intermittently. Whenever you hit after a big pause, you see for the first call this problem and the target loads again your credentials and that takes delay and your subsequent call get connection.

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    • >We are getting this error even if we click on the page first time.

      Yes if the session is the real issue then it happens mainly for the first time.  I would recommend this way.

      If the target system requires session to be maintained to process the interface, then during rmapping you can simply sign on process first  and after successful logon then send the request. This two steps could help to avoid this problem.