Thread safety for file based configurations
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Key: CONFIGURATION-330
URL: https://issues.apache.org/jira/browse/CONFIGURATION-330
Project: Commons Configuration
Issue Type: Improvement
Reporter: Emmanuel Bourg
When autoSave is enabled on a FileConfiguration it's quite frequent to run into
a ConcurrentModificationException, simply because setProperty is called from a
thread while another thread is saving the configuration.
I suggest to leverage the ReadWriteLock in Java 5 to solve this issue. The read
lock is acquired in getProperty(), and the write lock is acquired in
setProperty().
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