PH57884: High Memory Utilization Caused by the WebSocket EndpointManager

APAR status

• Closed as program error.

Error description

• Memory leak exists in the WebSockets code.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  IBM WebSphere Application Server version    *
  *                  9.0.5 and Liberty users of WebSockets       *
  ****************************************************************
  * PROBLEM DESCRIPTION: Memory Leak within WebSockets           *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  A map within the websockets code is not properly cleaned up
  during http session expiration and may result in an
  out-of-memory error.
  

Problem conclusion

• The code has been updated to avoid the memory leak.
  
  The fix for this APAR is currently targeted for inclusion in
  WebSphere fixpack 9.0.5.21 and Liberty 24.0.0.4
  
  
  The Github link can be found here:
  https://github.com/OpenLiberty/open-liberty/issues/26771
  
  Please refer to the recommended updates page for delivery
  information:
  
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

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:

Fix information

• Fixed component name

  WEBS APP SERV N

• Fixed component ID

  5724H8800

Applicable component levels