24.1 Introduction to foreign buses A foreign bus is a representation of another service integration bus, providing messaging functionality from one service integration bus to another. A foreign bus link can only be used for send operations. You cannot receive messages from a remote bus across a foreign bus link. For a detailed description of a foreign bus, see Foreign buses at: http://publib.boulder.ibm.com/infocenter/wasinfo/v6r1/topic/com.ibm.web sphere.pmc.iseries.doc/concepts/cjj0030_.html For examples that use foreign buses, see 24.5, "Foreign bus link usage examples" on page 533. 24.1.1 Identify symptoms Common symptoms of a foreign bus problem include: A messaging engine fails to start after configuring a foreign bus link. A foreign bus link fails to start. A JMS application gets an exception while attempting to produce messages