ESB Console Displays a Blank Dashboard Page Aa ESB Hangs While Retrieving a Remote WSDL or XSD Artifact (Doc ID 1370643.1)

Last updated on MAY 10, 2021

Applies to:

Symptoms

You have an installation of Oracle Application Server 10g where you are utilizing the Enterprise Service Bus (ESB) component. The installation has been completed successfully and has been fully working for some time but now, when you access the Enterprise Service Bus Console page (http://<host>:<port>/esb), the browser spins for a long time and rather than seeing the expected content of the dashboard page of the ESB console you see a blank page.

Thread dumps taken against the JVM process where OC4J is running (captured for example, by locating the value of the PID column for the oc4j_soa instance row returned from "opmnctl status -l" and using that value within a  "kill -3 <pid>" command) show one thread with a signature similar to the following:

Changes

You may have recently added to ESB service that are defined using artifacts (such as WSDL or XSD files) that are provided from an external site or the location of external sites may have been changed or no longer be responding.

Cause

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