Note that the above description is incorrect as to what the merge was about.
It is the message that I intended to make. It appears that I accidentaly merged multiple fixes waiting to be reviewed on my private fork.

This reverts commit dce0d2af, reversing
changes made to 63f67f30.

First pass at making sure we don't stop copying when the reader reads 0 characters.

I will now also review the callers for our internal code, and check if we can use IOUtils methods instead.

    (<a href="http://www.nabble.com/WG%3A-Error-when-saving-Artifacts-td24106649.html">report</a>)


git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@19074 71c3de6d-444a-0410-be80-ed276b4c234a

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@19073 71c3de6d-444a-0410-be80-ed276b4c234a