WebSocket中的报错:Exception in thread "Thread-5" java.lang.IllegalStateException: The remote endpoint wa

懒惰的小妖

于 2019-01-20 09:17:16 发布

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本文链接：https://blog.youkuaiyun.com/qq_40615403/article/details/86559180

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本文详细解析了在使用ApacheTomcat的WebSocket功能时遇到的IllegalStateException异常，此异常源于重复使用同一session发送文本消息，导致状态机处于TEXT_FULL_WRITING状态。文章深入探讨了状态机的工作原理及如何避免此类问题。

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Exception in thread "Thread-5" java.lang.IllegalStateException: The remote endpoint was in state [TEXT_FULL_WRITING] which is an invalid state for called method
    at org.apache.tomcat.websocket.WsRemoteEndpointImplBase$StateMachine.checkState(WsRemoteEndpointImplBase.java:1225)
    at org.apache.tomcat.websocket.WsRemoteEndpointImplBase$StateMachine.textStart(WsRemoteEndpointImplBase.java:1187)
    at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:190)
    at org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)
    at www.cfyg.com.controller.SendThread$1.run(SendThread.java:30)
            throw new IllegalStateException(WsRemoteEndpointImplBase.sm.getString("wsRemoteEndpoint.wrongState", new Object[]{this.state}));

原因：多次调用同一个session，导致的错。