一、报错内容java.lang.IllegalStateException: The remote endpoint wasinstate[TEXT_FULL_WRITING]whichis an invalid stateforcalled method at org.apache.tomcat.websocket.WsRemoteEndpointImplBase$StateMachine.checkState(WsRemoteEndpointImplBase.java:1234)at org.apache.tomcat.websocket.WsRemoteEndpointImplBase$StateMachine.textStart(WsRemoteEndpointImplBase.java:1196)at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:190)at org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)at com.xafande.atc.aftnsocket.ws.WebSocketServer.sendMessage(WebSocketServer.java:167)at com.xafande.atc.aftnsocket.ws.WebSocketServer.sendMessageValue(WebSocketServer.java:87)at com.xafande.atc.aftnsocket.ws.WebSocketServer.onOpen(WebSocketServer.java:117)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.base/java.lang.reflect.Method.invoke(Method.java:566)at org.apache.tomcat.websocket.pojo.PojoEndpointBase.doOnOpen(PojoEndpointBase.java:65)at org.apache.tomcat.websocket.pojo.PojoEndpointServer.onOpen(PojoEndpointServer.java:64)at org.apache.tomcat.websocket.server.WsHttpUpgradeHandler.init(WsHttpUpgradeHandler.java:133)at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:914)at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)at java.base/java.lang.Thread.run(Thread.java:834)二、解决思路数据同步失败这是一般最普遍的情况可以对业务报错处加锁确保数据传输的同步。连接超时网络连接不稳定或网络延迟导致连接超时。三、报错原因报错前session.getAsyncRemote().sendText(message);//异步发送更改为synchronized(session){session.getBasicRemote().sendText(message);}----------------------------------------------------------------------本文参考The remote endpoint was…