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BEA-473003 - Aggregation Server Not Available. Failed to get remote aggregator - UnknownHostException - ALSB Statistics Manager could not Discover URL for OSB (Oracle Service Bus) (Doc ID 1275616.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Oracle Service Bus - Version and later
Information in this document applies to any platform.


In a domain with one OSB cluster with one or more managed servers defined, the following error is seen repeatedly in Oracle Service Bus (OSB) managed servers:

####<Feb 28, 2013 11:27:00 AM EST> <Error> <ALSB Statistics Manager> <xxxxxx> <osb_server2> <[ACTIVE] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <ce726694e4c2c264:2f34e32b:13d21a00c8c:-8000-0000000000000006> <1362068820004> <BEA-473003> <Aggregation Server Not Available. Failed to get remote aggregator
java.rmi.UnknownHostException: Could not discover URL for server 'osb_server1'
at weblogic.protocol.URLManager.findURL(
at com.bea.alsb.platform.weblogic.topology.WlsRemoteServerImpl.getInitialContext(
at com.bea.alsb.platform.weblogic.topology.WlsRemoteServerImpl.lookupJNDI(
at com.bea.wli.monitoring.statistics.ALSBStatisticsManager.getRemoteAggregator(


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