java.lang.IllegalArgumentException

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  • java.lang.IllegalArgumentException: message cannot be null at org.eclipse.jetty.websocket.jsr356.AbstractJsrRemote.assertMessageNotNull(AbstractJsrRemote.java:69) at org.eclipse.jetty.websocket.jsr356.JsrAsyncRemote.sendBinary(JsrAsyncRemote.java:61) at com.apple.sample.websocket.endpoint.FileServer.onMessage(FileServer.java:56) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:71) at org.eclipse.jetty.websocket.jsr356.annotations.OnMessageTextCallable.call(OnMessageTextCallable.java:63) at org.eclipse.jetty.websocket.jsr356.annotations.JsrEvents.callText(JsrEvents.java:197) at org.eclipse.jetty.websocket.jsr356.endpoints.JsrAnnotatedEventDriver.onTextMessage(JsrAnnotatedEventDriver.java:378) at org.eclipse.jetty.websocket.common.message.SimpleTextMessage.messageComplete(SimpleTextMessage.java:69) at org.eclipse.jetty.websocket.common.events.AbstractEventDriver.appendMessage(AbstractEventDriver.java:66) at org.eclipse.jetty.websocket.jsr356.endpoints.JsrAnnotatedEventDriver.onTextFrame(JsrAnnotatedEventDriver.java:360) at org.eclipse.jetty.websocket.common.events.AbstractEventDriver.incomingFrame(AbstractEventDriver.java:162) at org.eclipse.jetty.websocket.common.WebSocketSession.incomingFrame(WebSocketSession.java:376) at org.eclipse.jetty.websocket.common.extensions.AbstractExtension.nextIncomingFrame(AbstractExtension.java:176) at org.eclipse.jetty.websocket.common.extensions.compress.PerMessageDeflateExtension.nextIncomingFrame(PerMessageDeflateExtension.java:105) at org.eclipse.jetty.websocket.common.extensions.compress.CompressExtension.forwardIncoming(CompressExtension.java:142) at org.eclipse.jetty.websocket.common.extensions.compress.PerMessageDeflateExtension.incomingFrame(PerMessageDeflateExtension.java:85) at org.eclipse.jetty.websocket.common.extensions.ExtensionStack.incomingFrame(ExtensionStack.java:220) at org.eclipse.jetty.websocket.common.Parser.notifyFrame(Parser.java:220) at org.eclipse.jetty.websocket.common.Parser.parse(Parser.java:256) at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.readParse(AbstractWebSocketConnection.java:679) at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillable(AbstractWebSocketConnection.java:511) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) at java.lang.Thread.run(Thread.java:745)
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