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WLS8.1SP3 - Synchronization Problem due to HashMap in WebServiceContext class (Doc ID 827859.1)

Last updated on JULY 25, 2022

Applies to:

Oracle WebLogic Server - Version 10.0 and later
Information in this document applies to any platform.
This problem can occur on any platform.


When Web-Services Application is deployed in the Weblogic server, Server could go into hang state and causing high CPU usage.
The thread dumps collected during high CPU usage indicate that following thread(s) are taking most of the CPU time:
ExecuteThread: '10' for queue: 'weblogic.kernel.Default'" daemon prio=5 tid=<tid> nid=<id>
runnable [0x45cfe000..0x45cffc28]
at java.util.HashMap.put(
at weblogic.webservice.context.WebServiceContext.register(
at weblogic.webservice.binding.soap.HttpServerBinding.receive(
at weblogic.webservice.server.Dispatcher.dispatch(
at weblogic.webservice.server.WebServiceManager.dispatch(


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