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BPEL Console URL Hangs on One Server when Using Active Passive Cluster with Error "java.lang.Exception: exception caused by UDP.start(): Not a multicast address " (Doc ID 462992.1)

Last updated on DECEMBER 04, 2013

Applies to:

Oracle(R) BPEL Process Manager - Version and later
Information in this document applies to any platform.


In a multiple node environment, after installing BPEL on HOST-A and HOST-B, logged into the HOST-A BPEL Console with no problem.  Then stopped BPEL on HOST-A and started BPEL on HOST-B.  Tried to log into the HOST-B BPEL Console and after supplying the userid and password access fails.

The BPEL $ORACLE_HOME/bpel/domains/<domain name>/logs/domain.log shows the following exception:


java.lang.Exception: exception caused by UDP.start():
Not a multicast address 

at org.collaxa.thirdparty.jgroups.stack.Protocol.handleSpecialDownEvent(


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