How do I stop Subversive from setting svn:mime-type to text/plain on initial commit?
svn:mime-type
text/plain
My Java code is being checked into my repository wit
You'll need to actually setup the mime types yourself in "Window > Preferences> Team > SVN > Properties Configuration > Automatic Properties"
For file type *.java for example, set it to: svn:mime-type=text/x-java