While using UnderTow's JSR WebSockets, implementing simple chat app, between 2 diff browsers (Chrome and Safari), I get a flood of these log lines: 14:09:22,890 WARN [org.xnio.nio.selector] (default I/O-3) XNIO008000: Received an I/O error on selection: java.io.IOException: Invalid argument Any idea? -Ales