During debugging, it is common to make a change to a JSP file and repackage it to see changes immediately. However, when doing so, the next time the app needs to be recompiled, it takes ages as it appear to re-copy all files. If you don't package any files during a running build, recompiling takes virtually no time.
Steps:
1. Launch a web application with JSPs.
2. Make a change to a JSP, right-click and select 'Package File'
3. Reload the web page to see the change.
4. Shutdown the web app and Tomcat. Make a small change to a java file.
5. Launch the web app again, letting it recompile on make.
Result: recompile takes a very long time, and appears stuck in 'Copying file ...' It can take over 5 minutes at times.
Alternately, duplicate the above steps, but remove step 2. The result is that the compilation process takes seconds and launches fine.
This is new in the 7.0 release. In 6.x releases, this problem did not occur.