AbstractFileObject: wrong synchronization of content-related code
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Key: VFS-253
URL: https://issues.apache.org/jira/browse/VFS-253
Project: Commons VFS
Issue Type: Bug
Affects Versions: 2.0
Reporter: Marek Zawirski
Creating content through {{AbstractFileObject#getContent()}} and
{{DefaultFileContent}} itself seem to be synchronized, but closing the content
by {{AbstractFileObject#close()}} and checking whether it is open, by
{{AbstractFileObject#isContentOpen()}} are NOT synchronized.
Both these methods miss some lock-object. For {{close()}} it may result in
severe race condition in case of {{FileObject}} shared across more than one
thread.
BTW, thead-safeness of important VFS classes/interfaces like {{FileObject}} is
not documented in javadoc.
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