SAP ERROR => GwInitService: GwListen(sapgw01) failed (NIESERV_USED) [gwxxrd.c 9487]

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 Issue:

Gateway and Dispatcher are not starting. After checking the logs found the error in DEV_rd.log file 



dev_rd log file


Resolution:

  • Stop the SAP application
  • Execute the ps -ef | grep <sid>adm command and kill all the running process 

  • Execute  netstat -an | grep <gatway port> 
Go to /tmp folder and delete the .sapstream3301 files and startsapsvr.log files as well

  • Execute the cleanipc < Instance Number of DVEBMGS>  <Instance Number of ASCS>  ( command looks like cleanipc 01 02)



Now start the sap application.



























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