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java.lang.ClassCastException: sun.nio.ch.ServerSocketChannelImpl	at com.sun.enterprise.web.connector.grizzly.SelectorThread.cancelKey(SelectorThread.java:1378)	at com.sun.enterprise.web.connector.grizzly.SelectorThread.startNonBlockingMode(SelectorThread.java:1261)	at com.sun.enterprise.web.connector.grizzly.SelectorThread.startEndpoint(SelectorThread.java:1126)	at com.sun.enterprise.web.connector.grizzly.SelectorThread.run(SelectorThread.java:1098)