By creating an error page and specifying it in the page directive on your JSP pages, you can catch exceptions from the page. You can designate that a page is an error page on the page directive by setting the isErrorPage attribute to true. For example:

Use your error page by specifying it as the error page in the page directive on other pages. For example the following page directive sets the errorPage attribute to IEError.jsp:

An error page can be very useful because it can act as a common location for error processing to give a consistent experience when errors occur. An error page can also be written to deal with exceptions based on their type, presenting more meaningful information to the user.