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From "Christopher Sahnwaldt (JIRA)" <>
Subject [jira] Created: (XBEAN-95) register PropertyEditors locally, not globally
Date Thu, 18 Oct 2007 12:39:50 GMT
register PropertyEditors locally, not globally

                 Key: XBEAN-95
             Project: XBean
          Issue Type: Bug
          Components: spring
            Reporter: Christopher Sahnwaldt

org.apache.xbean.spring.context.impl.PropertyEditorHelper registers PropertyEditors for,, java.util.Date and using java.beans.PropertyEditorManager.registerEditor().
This may cause problems:

- the usual problem with global variables: another application running in the same JVM may
register a different PropertyEditor, e.g. for java.util.Date. One of the applications will
then use the PropertyEditor that was registered by the other application. Which application
'wins' depends on the order of the calls to PropertyEditorManager.registerEditor().
- java.beans.PropertyEditorManager keeps a strong reference to the registered classes. The
xbean PropertyEditor classes are loaded by the context class loader, (which is the webapp
class loader if running in Tomcat etc.). The class java.beans.PropertyEditorManager is loaded
by the bootstrap class loader. This means that there is a strong reference from the bootstrap
class loader to the webapp class loader, which means that the webapp class loader cannot be
unloaded, which means that the webapp is not garbage collected when it is undeployed.

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