IT45256: FOR EMBEDDED LISTENERS THE QUEUECAPACITY VALUE IS BEING IGNORED ON AIX.

APAR status

• Closed as program error.

Error description

• In IBM App Connect Enterprise the HTTP Listener parameter
  QueueCapacity value is being ignored in AIX for embedded
  listeners.
  
  Example:
  
  We have the below HTTP Connector configurations for the
  integration server.
  
  MaxConnections = 5
  QueueCapatiy = 2
  QueueWait = 5000
  
  When we send an HTTP request to the client the 1st request will
  be processed by the flow, 2nd request and 3rd request will be
  stored in the queue as QueueCapacity is 2. The 4th and 5th
  request should result in HTTP503 because If the queue remains
  full until the QueueWait interval expires, an HTTP 503 Service
  Unavailable message is returned to the client.
  
  On AIX platform this was not working as expected.
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  All users of IBM App Connect Enterprise using the HTTP listener
  parameter - QueueCapacity for the embedded listeners on AIX
  platform
  
  
  Platforms affected:
  AIX
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  For the embedded HTTP Listener, the parameter QueueCapacity
  value is being ignored on AIX platform
  
  Example:
  
  Consider following configuration for HTTP Connector
  
  MaxConnections = 5
  QueueCapatiy = 2
  QueueWait = 5000
  
  When a client makes multiple http requests to the message flow
  with Http Input node,  the first request will be processed by
  the flow, second request and third request will be stored in the
  queue as QueueCapacity is 2. The fourth and fifth request should
  result in HTTP 503 error because if the queue remains full until
  the QueueWait interval expires.
  
  On AIX platform this is not working as expected.
  

Problem conclusion

• The product has been modified such that the correct error code
   HTTP 503 is returned to the client on AIX platform.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v11.0      11.0.0
  v12.0      12.0.12.0
  
  The latest available maintenance can be obtained from:
  http://www-01.ibm.com/support/docview.wss?rs=849&uid=swg27006041
  
  If the maintenance level is not yet available,information on
  its planned availability can be found on:
  http://www-1.ibm.com/support/docview.wss?rs=849&uid=swg27006308
  ---------------------------------------------------------------
  

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

  APP CONNECT ENT

• Fixed component ID

  5724J0550

Applicable component levels