BenD created VFS-446:
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Summary: Undesired blocking during FileUtil.copyContent if
destFile is SftpFileObject and the network connection to destFile goes away
Key: VFS-446
URL: https://issues.apache.org/jira/browse/VFS-446
Project: Commons VFS
Issue Type: Bug
Affects Versions: 2.0
Environment: Ubuntu 12.04
jdk 1.6.0_34-b04
Reporter: BenD
I'm attempting to copy content of srcFile to destFile using
FileUtil.copyContent(FileObject srcFile, FileObject destFile). While the
content is being transferred, but before it completes, I bring the network down
on the destination sftp server. No exception is thrown and thread blocks until
what I can only assume is some long system timeout.
MonitorOutputStream appears to handle a client-side close fine but if the
remote server closes the connection after the write already started then when
the underlying BufferedOutputStream flushes to the underlying network stream it
hangs until the system timeout expires.
The subsequent destFile.getContent().getOutputStream().close() suffers the same
fate as does the closing of destFile's FileSystemManager - I'm guessing because
each attempts to flush to the underlying network stream.
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