Why CPC fails to autolocate nearest cache agent but works fine when connected to specific remote cache agent?

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Problem:

Why CPC fails to autolocate nearest cache agent but works fine when connected to specific remote cache agent?

Resolution:

  • Product Name: StarTeam client
  • Product Version: 2005 R2, 2006
  • Product Component: CPC, MPX Event Transmitter
  • Platform/OS Version: Windows 2003

Description:
Why CPC fails to autolocate nearest cache agent but works fine when connected to specific remote cache agent?


Answer/Solution:
This KB article applies to the following scenario.

Files are being checked-out from cache agent when StarTeam cross platform client (CPC) is MPX enabled and configured to connect to specific cache agent but CPC fails to check-out from cache agent when "Automatically locate closest cache agent" flag is turned on. This could be because of change in &ltproject> parameter in MPXEventTransmitter.xml file.

The project option &ltproject&gtStarbase in MPXEventTransmitter.xml file should always be "Starbase" and never should be changed. This option does not correspond to a StarTeam project -- it is a SmartSockets concept can be thought of as a "universe". In short, the MPX cloud can be partitioned into multiple virtual universes; messages never cross from one universe to the other. The "project" option indicates in which universe the pub/sub client participates. Since we want all clients (transmitters, StarTeam clients, Cache Agents) to be able to send and receive messages to each other, we only want to use one universe in a cloud. Technically, the option could changed to something other than Starbase, but all profiles in all StarTeam servers and all &ltproject> options in Cache Agents and probably a few other things would all have to be modified in the same way. So, its best never to change this option.

So check the value of &ltproject> parameter in MPXEventTransmitter.xml file and change it back to Starbase if it is different and then restart StarTeam server, root cache agent and remote cache agent.




Author: Praveen Boyineni

Old KB# 27506
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