Avoid risk of deadlock and speed up execution in JDKBugHacks.doHacks()
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Key: CXF-3634
URL: https://issues.apache.org/jira/browse/CXF-3634
Project: CXF
Issue Type: Improvement
Components: Core
Reporter: Alessio Soldano
Assignee: Alessio Soldano
Fix For: 2.4.2, 2.5
In order for disabling url caching, JDKBugHacks runs:
URL url = new URL("jar:file://dummy.jar!/");
URLConnection uConn = url.openConnection();
uConn.setDefaultUseCaches(false);
When having the java.protocol.handler.pkgs system property set, that can lead
to deadlocks between the system classloader and the file protocol Handler in
particular situations (for instance if the file protocol URLStreamHandler is a
signleton).
Besides that, the code above is really there for the sake of setting
defaultUseCaches to false only, so actually opening a connection can be
avoided, to speed up the execution.
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