okhttp 链接websocket 报错 求解原因

Question

java.io.EOFException
    at okio.RealBufferedSource.require(RealBufferedSource.kt:199)
    at okio.RealBufferedSource.readByte(RealBufferedSource.kt:209)
    at okhttp3.internal.ws.WebSocketReader.readHeader(WebSocketReader.java:117)
    at okhttp3.internal.ws.WebSocketReader.processNextFrame(WebSocketReader.java:101)
    at okhttp3.internal.ws.RealWebSocket.loopReader(RealWebSocket.java:273)
    at okhttp3.internal.ws.RealWebSocket$2.onResponse(RealWebSocket.java:213)
    at okhttp3.RealCall$AsyncCall.execute(RealCall.java:153)
    at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)