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2029294 - SAP Web Dispatcher gives HTTP 500 error

Symptom

  • SAP system with multiple application servers and the SAP Web Dispatcher forwards the incoming requests to the application servers.
  • The number of the incoming requests is increasing and after a specified number the SAP Web Dispatcher starts to return HTTP 500 error (Internal Server Error).
  • This number can be achived with normal production usage or during a load test.


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Environment

  • SAP NetWeaver 7.0 (SAP NetWeaver 2004s, SAP NetWeaver 2007) or above and associated products running on it
  • SAP NetWeaver 2004 (basis 6.40) only in special cases, see SAP Note 995116 - Backward porting of sapstartsrv for earlier releases
  • UNIX operating systems (AIX, HP-UX, Linux, Oracle Solaris)

Keywords

SAP Web Dispatcher, ulimit, descriptor, UNIX, SAP NetWeaver, HTTP 500, Internal Server Error, operating system limits for SAP instances. , KBA , BC-CST-WDP , Web Dispatcher , Problem

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