after second compile and run, text read-only occurs

[emacsun]

I compile and run test.java; there will be a buffer named "test" in JDE Run Mode;

Then I modify the test.java, compile . everything goes fine. However when I run test ; "Text is read-only" appears in the minibuffer, so I have to delete the "test" buffer.

what I suggest: send the run result into the minibuffer; or make test buffer writable