BeanHelper.setDefaultBeanFactory() is thread-hostile and not thread-safe
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Key: CONFIGURATION-486
URL: https://issues.apache.org/jira/browse/CONFIGURATION-486
Project: Commons Configuration
Issue Type: Bug
Reporter: Sebb
BeanHelper.setDefaultBeanFactory() sets a private static field.
This is thread-hostile, because different threads cannot safely use different
factories.
It's also not thread-safe, as the variable is not guaranteed to be published
safely.
Should either make the variable volatile, or synchronize both getter and setter.
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