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via Oracle Community by kronos72it-493396, 1 year ago
Make sure you have enabled Comet or make sure the thread invoking that method is the same as the Servlet.service() thread.
java.lang.IllegalStateException: Make sure you have enabled Comet or make sure the thread invoking that method is the same as the Servlet.service() thread.	at org.glassfish.grizzly.comet.CometContext.addCometHandler(CometContext.java:219)	at org.savino.comet.LongPollingServlet.doGet(LongPollingServlet.java:129)