JR32922: INFORMATION SERVER 801: APT_PMLISTENERPORT: SOCKET CALL FAILED: RESOURCE TEMPORARILY UNAVAILABLE

APAR status

• Closed as program error.

Error description

• During performance testing job aborting with the error:
  
  APT_PMListenerPort: socket call failed: Resource temporarily
  unavailable
  
  The number of TCP connections a job creates is proportional to
  the number of stages in the job and the number of nodes in the
  config file; PX is very socket intensive. In this case the job
  failing to create a socket.
  

Local fix

• This fix is included in 8.0.1 fixpack 3
  

Problem summary

• ****************************************************************
  USERS AFFECTED:
  All DS parallel jobs that use TCP sockets as communication
  mechanism.
  ****************************************************************
  PROBLEM DESCRIPTION:
  When listening server is restarted, the call to bind fails
  because the listening server is trying to bind a port that is
  part of an existing connection
  ****************************************************************
  RECOMMENDATION:
  Apply the patch JR32922
  This change is included in 8.1 Fix Pack 1.
  ****************************************************************
  

Problem conclusion

• The resolution is to set SO_REUSEADDR socket option between the
  calls to socket and bind.
  

Temporary fix

Comments

APAR Information

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

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

Modules/Macros

• SERVER
  

Fix information

• Fixed component name

  WIS DATASTAGE

• Fixed component ID

  5724Q36DS

Applicable component levels

• R800 PSN

     UP