protected LinkedList<Throwable> getStack() {
Throwable e = exception;
LinkedList<Throwable> stack = new LinkedList<Throwable>();
while (e != null) {
stack.addFirst(e);
if (e instanceof NotFoundException) {
status = HttpServletResponse.SC_NOT_FOUND;
}
if (e instanceof ServletException) {
Throwable t = ((ServletException) e).getRootCause();
if (t == null) t = e.getCause();
e = t;
} else if (e instanceof javax.servlet.jsp.JspException) {
Throwable t = ((JspException) e).getRootCause();
if (t == null) t = e.getCause();
e = t;
} else {
e = e.getCause();
}
}
return stack;
}
