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https://issues.apache.org/jira/browse/CXF-323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bozhong Lin reassigned CXF-323:
-------------------------------
Assignee: willem Jiang
> Improper synchronization of getDefaultBus(), setDefaultBus()
> ------------------------------------------------------------
>
> Key: CXF-323
> URL: https://issues.apache.org/jira/browse/CXF-323
> Project: CXF
> Issue Type: Bug
> Reporter: Jarek Gawor
> Assigned To: willem Jiang
>
> getDefaultBus() method in org.apache.cxf.bus.spring.SpringBusFactory and
> org.apache.cxf.bus.cxf.CXFBusFactory is improperly synchronized. The method
> is instance-level synchronized while it initializes and accesses a
> class-level variable. Two different instances of BusFactory each calling
> getDefaultBus() at the same time could return two different Bus instances...
> This method should either be changed to 'public static synchronized Bus
> getDefaultBus()' or modified as for an example:
> public Bus getDefaultBus() {
> return initDefaultBus();
> }
> private static synchronized Bus initDefaultBus() {
> if (null == defaultBus) {
> defaultBus = new CXFBusImpl();
> }
> return defaultBus;
> }
> Also, the setDefaultBus() method in both classes needs to be properly
> synchronized.
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