javax.servlet.ServletException: non-HTTP request or response

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Not in a valid Comet configuration > (use an APR or NIO connector) > at > org.granite.gravity.tomcat.AbstractCometProcessor.service(AbstractCometProc essor.java: > 179)
javax.servlet.ServletException: non-HTTP request or response
at javax.servlet.http.HttpServlet.service(HttpServlet.java:800)

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