If the ServletContextListener has an error - it can set a variable in the application context.
Then the filter can check for the existence of that variables. Then forward to an "error page".
For example ...
doFilter( ... ) {
if (null!=servletContext.getAttribute("startupError")) {
servletContext.getRequestDispatcher("/WEB-INF/error.jsp")
.forward(request, response);
} else {
chain.doFilter(...);
}
}-Tim
Justin Ruthenbeck wrote:
Seems like a simple question, can't seem to find the answer...
If an error occurs in the #contextInitialized() method of an object that implements ServletContextListener, how can I suspend the web application so that it is unavailable for use by clients?
Specifically, I have a ServletContextListener that needs to be run at application startup. If any one of many errors occur, I want to notify the appropriate people (this I can do) and make the entire webapp unavailable (this I can't figure out).
Any help is appreciated. I have a feeling this is obvious and I'm just missing something.
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