IC89234: BPMONITOR CAUSES NPE WHEN BEING WATCHED FOR A LONG TIME OVER SLOW NETWORK CONNECTION

APAR status

• Closed as program error.

Error description

• BPMonitor causes NPE when being watched for a long time over
  slow network connection
  OOM is caused because of piling up of Session Objects
  maintained in Jetty code in the HashMap. Each Session object is
  created as part of the HTTP request and response request coming
  through the SI and Web browser...
  Customer indicated that they were experiencing the slow network
  in the web browser..
  
  Because of slowness in network, these objects were piled up and
  caused the OOM in SI system..
  
  We are confirmed that there is no memory leak in the SI/jetty
  code in the area.
  
  Current page access was causing NPE exception, because of the
  OOM caused. Session object was null , accessing this object
  while processing current page was causing NPE.
  

Local fix

• STRRTC - 358429
  CM/CM
  Circumvention: None
  

Problem summary

• Users Affected:
  All system having slowness on Web brower, accessing the BP
  Monitor page
  
  Problem Description:
  BPMonitor causes NPE when being watched for a long time over
  slow network connection
  OOM is caused because of piling up of Session Objects maintained
  in Jetty code in the HashMap.
  Each Session object is created as part of the HTTP request and
  response request coming
  through the SI and Web browser...
  Customer indicated that they were experiencing the slow network
  in the web browser..
  
    Platforms Affected:
  All
  

Problem conclusion

• Because of slowness in network, these objects were piled up and
  caused the OOM in SI system..
  We are confirmed that there is no memory leak in the SI/jetty
  coe in the area.
  Current page access was causing NPE exception, because of the
  OOM caused. Session object was null , accessing this object
  while processing current page was causing NPE.
  
   Resolution Summary:
  Added a NPE logic on BP monitor code to not to throw the
  exception
  
  Delivered In:
  5020403
  

Temporary fix

Comments

• Waiting for review
  

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

  STR B2B INTEGRA

• Fixed component ID

  5725D0600

Applicable component levels

• R524 PSY

     UP