[Java_9 JDK_HttpClient ] java.net.ConnectException: Connection refused: no further information

java.net.ConnectException: Connection refused: no further information
    at java.base/sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
    at http.client.PlainHttpConnection$ConnectEvent.handle(PlainHttpConnection.java:85)
    at http.client.HttpClientImpl$SelectorManager.handleEvent(HttpClientImpl.java:755)
    at http.client.HttpClientImpl$SelectorManager.run(HttpClientImpl.java:717)

 

异常原因:代理IP错误

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