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IT39660: WHEN PRIMARY GATEWAY GOES DOWN, GWD NODE.JS PROCESS ENCOUNTERS UNHANDLED REJECTION AND RESTARTS ON OTHER GATEWAYS

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APAR status

  • Closed as program error.

Error description

  • When the primary gateway in a peer group goes down
(intentionally or unintentionally), the apic-gw-service Node.js
process on each of the other gateways in the peer group
encounters this unhandled rejection and stops (and then is
automatically restarted):

---
20220112T193418.942Z [0x88e00011][apic-gw-service][error]
apic-gw-service(default): tid(242): API Connect Gateway Service
caught unhandled rejection: MaxRetriesPerRequestError: Reached
the max retries per request limit (which is 20). Refer to
"maxRetriesPerRequest" option for details.
20220112T193418.942Z [0x88e00127][apic-gw-service][error]
apic-gw-service(default): tid(242): Stack trace for previous
error:
  at TLSSocket.<anonymous> (/opt/ibm/datapower/root/gateway-dir
ector/node_modules/ioredis/built/redis/event_handler.js:176:37)
  at Object.onceWrapper (events.js:520:26) at TLSSocket.emit
(events.js:412:35)
  at net.js:675:12
  at TCP.done (_tls_wrap.js:563:7)

Local fix

  • 



Problem summary


    

  • DataPower gateway peers might restart when the primary is
restarted.

    



Problem conclusion



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT39660
    • 

  • Reported component name
    DATAPOWER
    • 

  • Reported component ID
    DP1234567
    • 

  • Reported release
    A0X
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2022-01-17
    • 

  • Closed date
    2022-02-14
    • 

  • Last modified date
    2022-02-14
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    DATAPOWER
    • 

  • Fixed component ID
    DP1234567
    • 



Applicable component levels


    








      
              
                            

              

              [{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS9H2Y","label":"IBM DataPower Gateways"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A0X"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            14 February 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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