3522279 - Command hang when stop or start Job Scheduler - SAP ASE

• Job Scheduler doesn't work
• Try stopping/starting job scheduler with command below, command always hang and can't be killed:
  

  use sybmgmtdb
  go
  exec sp_sjobcontrol @name=NULL,@option="stop_js"
  go
  
  exec sp_sjobcontrol @name=NULL,@option="start_js"
  go

• JSAGENT log not updated for stop/start attempts, and was last updated with messages like:
  
   jamain  Message number: LAYER = (5) ORIGIN = (3) SEVERITY = (5) NUMBER = (4)
   jamain  Message String: ct_connect(): network packet layer: internal net library error: Net-Lib protocol driver call to connect two endpoints failed
   jamain  OS Error: Socket connect failed - errno 111 Connection refused
   jamain  ct_connect() failed.
   jamain  jsj_AddConxs: jsd_MakeConnection() failed for user jstask to server SID
   jamain  jsj_AddConxs() failed. jsj_ReleaseConx() failed to replace dead connection. Connection pool size decremented.
   jamain  jsj__ReplaceConx() failed
   jamain  All JS task connections have been lost.
   jamain  JS Agent aborting. Cancel all running jobs.
  
  
• In OS level jsagent process has been running for a quite long time, the start time of the process not updated though ASE server had been restarted, command to check:
  ps -ef | grep jsagent

• SAP Adaptive Server Enterprise (ASE) 16.0 SP04 PL02
• Linux on x86_64 64bit

sybase, jobscheduler, JS, schedule, DB13, cockpit, working , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem