MimeBodyPartInputStream never finishes reading certain streams
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Key: CXF-2050
URL: https://issues.apache.org/jira/browse/CXF-2050
Project: CXF
Issue Type: Bug
Affects Versions: 2.1.4
Reporter: aaron pieper
The MimeBodyPartInputStream class never finishes reading certain kinds of input
streams - it continues to read the same bytes over and over. One result of this
issue is that the AttachmentDeserializer enters an infinite loop when trying to
deserialize a binary attachment, so I would consider this an important issue.
It appears that the problem has to do with how the end of the stream is read.
First, the MimeBody stream's read() method reads the to the end of the PushBack
stream. Upon reaching the end of the PushBack stream, the MimeBody stream's
hasData() method unreads the last 15 bytes of the PushBack stream. The MimeBody
stream's read() method returns 0, which signals that more data needs to be
read. This loop can happen over and over - the invoking code will keep asking
the MimeBody stream for more data, and the MimeBody stream will continue
returning 0.
The MimeBody stream should return -1 if there is no more data to be read - it
does this in most cases, but it doesn't handle this case for some reason.
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