An exception has occurred.

You may continue by restarting the session.

[ +/- ] Exception: Failure invoking listener method 'public void ntu.library.libraryList.page.ListLibraryPage.librarySelectedBySubject(org.apache.tapestry.IRequestCycle)' on $ListLibraryPage_0@fc82a6[Home]: java.lang.NullPointerException

[ +/- ] Exception:


[ +/- ] Request
[ +/- ] Context
[ +/- ] Status
[ +/- ] System Properties