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2701125 - "dev_icm_sec" traces continuously filling up the hard disk

Symptom

  • The SAP NetWeaver is filling up the hard disk in log files called dev_icm_sec.
    File is located under work folder /usr/sap/SID/<INSTANCE$$>/work, and its size is growing fastly. 
         
  • Following entry can seen at dev_icm_sec trace file:
       Error: Protocol error (-21), Error in HTTP Request: Invalid request line(9) [http_plg.c 5984]

       [Thr 123456789] *** ERROR => NULL bytes in HTTP request {00050203} [http_plg.c 6637]
       [Thr 123456789] *** WARNING => HttpParseRequestHeader: Hint: NULL bytes in HTTP request are often caused by HTTPS traffic arriving at the HTTP  port. [http_plg.c 6641]
       [Thr 123456789] *** ERROR => HttpPlugInHandleNetData: HttpParseRequestHeader failed (rc=701) [http_plg.c 2214]


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Environment

SAP NetWeaver Application Server

Product

SAP NetWeaver Application Server for Java all versions ; SAP NetWeaver all versions

Keywords

dev_icm_sec, icm logs, disk filling up, hard disk icm, logs filling, http in https, invalid http connections,
icm/security_log, LOGFILE, MAXSIZEKB, FILEWRAP , KBA , BC-CST-IC , Internet Communication Manager , Problem

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