Your web application uses a simple architecture in which servlets handle requests and then forward to a JSP using a request dispatcher. If the init method on a filter throws an UnavailableException, then the container will make no further attempt to execute it. The init method on a filter is called the first time a servlet mapped to that filter is invoked.Ī filter defined for a servlet must always forward control to the next resource in the filter chain.įilters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file. Which is true about the web container request processing model? Which three are true about servlet filters? (Choose three.)Ī filter must implement the destroy method.Ī filter must implement the doFilter method.Ī servlet may have multiple filters associated with it.Ī servlet that is to have a filter applied to it must implement the interface.Ī filter that is part of a filter chain passes control to the next filter in the chain by invoking the FilterChain.forward method.įor each element in the web application deployment descriptor, multiple instances of a filter may be created by the web container. Which retrieves all cookies sent in a given HttpServletRequest request? The servlet’s init method does NOT return within a time period defined by the servlet container. The servlet’s init method sets the ServletResponse’s content type to null. The servlet’s init method sets the ServletResponse’s content length to 0. The servlet’s init method throws a ServletException. The servlet’s init method returns a non-zero status. Which two prevent a servlet from handling requests? (Choose two.) tIntHeader('Content-Length', numberOfBytes)

tHeader('Content-Length', numberOfBytes)

Which two HttpServletResponse methods will you use to provide this information? (Choose two.) You want to provide the web browser with precise information about the amount of data being sent in the response stream. You are creating a servlet that generates stock market graphs.

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