exception in servlet

If a servlet is not properly initialized, what exception may be thrown?

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November 1, 2010 at 5:10 PM

During initialization or service of a request, the servlet instance can throw an UnavailableException or a ServletException.

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Servlet.init() for servlet FacesServlet threw exception javax.servlet.ServletException: Servlet.init() for servlet FacesServlet threw exception at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java

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