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  • Connect reset

    2018-08-14 10:13:00
    这个有点奇怪,Connect reset 一般都是网络原因引起,但curl命令可以访问,说明网络没有问题,权限方面应该也是没有问题。 后面发现服务器上jdk为1.7版本的,切换到jdk1.8环境访问网站,发现可以访问。 最终结论:...

    在服务器上使用 httpclient 访问(https)一个网站,发现总是返回 Connnect reset 错误,但是使用 curl 命令访问完全可以。

    这个有点奇怪,Connect reset 一般都是网络原因引起,但curl命令可以访问,说明网络没有问题,权限方面应该也是没有问题。

    后面发现服务器上jdk为1.7版本的,切换到jdk1.8环境访问网站,发现可以访问。

    最终结论:协议不一致导致的连接问题,网站支持的是TLSv1.1 和 TLSv1.2,  jdk1.7只支持TLSv1,且Java 7 没有支持 AES GCM 加密。

     

    参考链接:Connection reset原因分析和解决方案

     

    转载于:https://www.cnblogs.com/9527blog/p/9472934.html

    展开全文
  • 在项目组经常遇到TCP连接的问题,一直是遇到了网上查资料,没有自己总结,感觉对这两种错都是模模糊糊,正好,今天又有个现场遇到此种问题需要我...要重现connect reset 需要满足条件:客户端代码中代码要增加socket...
         在项目组经常遇到TCP连接的问题,一直是遇到了网上查资料,没有自己总结,感觉对这两种错都是模模糊糊,正好,今天又有个现场遇到此种问题需要我帮忙分析解决。通过查阅各种资料,算是比之前理解更加深刻。
         connect reset:原因是因客户方已经把TCP连接断开了,服务方还在往socket中写数据。要重现connect reset  需要满足条件:客户端代码中代码要增加socket.setSoLinger(true, 0);查看java api,此句只对调用socket.close()有用,其作用就是当客户端调用socket.close()会像服务端发送reset信号,如果服务端再对此连接进行读、写操作时,服务端就会报connection reset的异常。
    connect reset by peer :此异常常见与服务端处理异常退出时,客户端还在往socket里面写数据。前提条件也是:服务端代码也设置了socket.setSoLinger(true, 0);
    下面是验证代码
    

    客户端代码:
    package com.test.client;

    import java.io.OutputStream;
    import java.net.InetSocketAddress;
    import java.net.Socket;
    import java.net.SocketAddress;
    import java.text.SimpleDateFormat;
    import java.util.Date;

    public class Client {
    private static int port = 9999;
    private static String host = “127.0.0.1”;
    public static SimpleDateFormat sdf = new SimpleDateFormat(“yy-MM-dd HH:mm:ss.SSS”);

    public static void main(String[] args) throws Exception {
        Socket socket = new Socket();
        socket.setSoLinger(true, 0);
    

    // CASE 3 ?/ socket.setSoLinger(true, 1);
    SocketAddress address = new InetSocketAddress(Client.host, Client.port);
    socket.connect(address);
    OutputStream output = socket.getOutputStream();
    StringBuilder strB = new StringBuilder();
    for (int i = 0;
    i < 10;
    i++) {
    strB.append(“H”);
    }
    byte[] request = strB.toString().getBytes(“utf-8”);
    System.out.println("Client before write : " + sdf.format(new Date()));
    output.write(request);
    System.out.println("Client after write : " + sdf.format(new Date()));
    socket.close();
    System.out.println("Client after close : " + sdf.format(new Date()));
    }
    }

    服务端代码:
    package com.test.server;

    import java.io.ByteArrayOutputStream;
    import java.io.InputStream;
    import java.net.InetSocketAddress;
    import java.net.ServerSocket;
    import java.net.Socket;
    import java.text.SimpleDateFormat;
    import java.util.Date;

    public class Server {
    private static int queueSize = 10;
    private static int port = 9999;
    public static SimpleDateFormat sdf = new SimpleDateFormat(“yy-MM-dd HH:mm:ss.SSS”);

    public static void main(String[] args) throws Exception {
        ServerSocket serverSocket = new ServerSocket();
        serverSocket.setReuseAddress(true);
        serverSocket.setReceiveBufferSize(128 * 1024);
        serverSocket.bind(new InetSocketAddress(Server.port), Server.queueSize);
        Socket socket = null;
        while (true) {
            socket = serverSocket.accept();
    

    // socket.setSoLinger(true,0);
    InputStream input = socket.getInputStream();
    while(input.read() !=-1){
    throw new Exception();
    }
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int length = -1;
    Thread.sleep(10 * 1000);
    System.out.println("Server before read : " + sdf.format(new Date()));
    while ((length = input.read(buffer)) != -1) {
    output.write(buffer, 0, length);
    }
    System.out.println("Server after read : " + sdf.format(new Date()));
    String req = new String(output.toByteArray(), “utf-8”);
    System.out.println(req.length());
    socket.close();
    }
    }
    }
    经过此次实际验证,详细对此两个异常有更深刻的理解。后续遇到类似问题,思路会清晰很多。

    展开全文
  • connect reset:

    2020-04-07 13:34:37
    connect reset: 服务端突然重启造成: 0 packets dropped by kernel node2:/root#tcpdump -S -i eth1 '((tcp) and (host 192.168.137.3) and (port 8080) )' tcpdump: verbose output suppressed, use -v or -vv for ...
    connect reset:
    服务端突然重启造成,客户端读报错:
    0 packets dropped by kernel
    node2:/root#tcpdump -S -i eth1 '((tcp) and  (host 192.168.137.3) and (port 8080) )'
    tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
    listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
    01:22:31.348230 IP node2.56892 > node1.webcache: Flags [S], seq 330542021, win 14600, options [mss 1460,sackOK,TS val 14866286 ecr 0,nop,wscale 7], length 0
    01:22:31.348457 IP node1.webcache > node2.56892: Flags [S.], seq 3331155363, ack 330542022, win 14480, options [mss 1460,sackOK,TS val 4722334 ecr 14866286,nop,wscale 6], length 0
    01:22:31.348472 IP node2.56892 > node1.webcache: Flags [.], ack 3331155364, win 115, options [nop,nop,TS val 14866287 ecr 4722334], length 0
    01:22:31.348775 IP node2.56892 > node1.webcache: Flags [.], seq 330542022:330549262, ack 3331155364, win 115, options [nop,nop,TS val 14866287 ecr 4722334], length 7240
    01:22:31.349111 IP node1.webcache > node2.56892: Flags [.], ack 330543470, win 272, options [nop,nop,TS val 4722334 ecr 14866287], length 0
    01:22:31.349116 IP node1.webcache > node2.56892: Flags [.], ack 330544918, win 317, options [nop,nop,TS val 4722334 ecr 14866287], length 0
    01:22:31.349117 IP node1.webcache > node2.56892: Flags [P.], seq 3331155364:3331156397, ack 330544918, win 317, options [nop,nop,TS val 4722334 ecr 14866287], length 1033
    01:22:31.349118 IP node1.webcache > node2.56892: Flags [.], seq 3331156397:3331157845, ack 330544918, win 317, options [nop,nop,TS val 4722335 ecr 14866287], length 1448
    01:22:31.349187 IP node2.56892 > node1.webcache: Flags [P.], seq 330549262:330556502, ack 3331155364, win 115, options [nop,nop,TS val 14866287 ecr 4722334], length 7240
    01:22:31.350949 IP node1.webcache > node2.56892: Flags [.], ack 330547814, win 408, options [nop,nop,TS val 4722335 ecr 14866287], length 0
    01:22:31.350954 IP node1.webcache > node2.56892: Flags [.], seq 3331157845:3331159293, ack 330549262, win 453, options [nop,nop,TS val 4722335 ecr 14866287], length 1448
    01:22:31.350956 IP node1.webcache > node2.56892: Flags [.], ack 330552158, win 543, options [nop,nop,TS val 4722335 ecr 14866287], length 0
    01:22:31.350959 IP node1.webcache > node2.56892: Flags [.], ack 330555054, win 634, options [nop,nop,TS val 4722335 ecr 14866287], length 0
    01:22:31.350969 IP node1.webcache > node2.56892: Flags [.], seq 3331159293:3331160741, ack 330556502, win 679, options [nop,nop,TS val 4722336 ecr 14866287], length 1448
    01:22:31.350970 IP node1.webcache > node2.56892: Flags [.], seq 3331160741:3331162189, ack 330556502, win 679, options [nop,nop,TS val 4722336 ecr 14866287], length 1448
    01:22:31.351251 IP node2.56892 > node1.webcache: Flags [.], seq 330556502:330562294, ack 3331155364, win 115, options [nop,nop,TS val 14866290 ecr 4722334], length 5792
    01:22:31.351349 IP node2.56892 > node1.webcache: Flags [.], ack 3331156397, win 131, options [nop,nop,TS val 14866290 ecr 4722334], length 0
    01:22:31.351394 IP node2.56892 > node1.webcache: Flags [.], ack 3331157845, win 153, options [nop,nop,TS val 14866290 ecr 4722335], length 0
    01:22:31.351437 IP node2.56892 > node1.webcache: Flags [P.], seq 330562294:330563742, ack 3331157845, win 153, options [nop,nop,TS val 14866290 ecr 4722335], length 1448
    01:22:31.351482 IP node2.56892 > node1.webcache: Flags [.], ack 3331160741, win 199, options [nop,nop,TS val 14866290 ecr 4722335], length 0
    01:22:31.351527 IP node2.56892 > node1.webcache: Flags [.], seq 330563742:330572430, ack 3331162189, win 221, options [nop,nop,TS val 14866290 ecr 4722336], length 8688
    01:22:31.351977 IP node1.webcache > node2.56892: Flags [.], ack 330559398, win 770, options [nop,nop,TS val 4722337 ecr 14866290], length 0
    01:22:31.351986 IP node2.56892 > node1.webcache: Flags [.], seq 330572430:330581118, ack 3331162189, win 221, options [nop,nop,TS val 14866290 ecr 4722337], length 8688
    01:22:31.353075 IP node1.webcache > node2.56892: Flags [.], ack 330562294, win 853, options [nop,nop,TS val 4722337 ecr 14866290], length 0
    01:22:31.353116 IP node1.webcache > node2.56892: Flags [P.], seq 3331162189:3331163452, ack 330562294, win 853, options [nop,nop,TS val 4722337 ecr 14866290], length 1263
    01:22:31.353122 IP node1.webcache > node2.56892: Flags [.], ack 330572430, win 702, options [nop,nop,TS val 4722337 ecr 14866290], length 0
    01:22:31.353129 IP node2.56892 > node1.webcache: Flags [P.], seq 330581118:330589806, ack 3331163452, win 244, options [nop,nop,TS val 14866290 ecr 4722337], length 8688
    01:22:31.372491 IP node2.56892 > node1.webcache: Flags [P.], seq 330589806:330598494, ack 3331163452, win 244, options [nop,nop,TS val 14866311 ecr 4722337], length 8688
    01:22:31.372543 IP node1.webcache > node2.56892: Flags [.], seq 3331163452:3331164900, ack 330572430, win 702, options [nop,nop,TS val 4722337 ecr 14866290], length 1448
    01:22:31.372549 IP node1.webcache > node2.56892: Flags [.], seq 3331164900:3331166348, ack 330572430, win 724, options [nop,nop,TS val 4722337 ecr 14866290], length 1448
    01:22:31.372573 IP node2.56892 > node1.webcache: Flags [.], ack 3331166348, win 289, options [nop,nop,TS val 14866311 ecr 4722337], length 0
    01:22:31.372575 IP node1.webcache > node2.56892: Flags [.], seq 3331166348:3331167796, ack 330573878, win 745, options [nop,nop,TS val 4722338 ecr 14866290], length 1448
    01:22:31.372577 IP node1.webcache > node2.56892: Flags [.], seq 3331167796:3331169244, ack 330573878, win 745, options [nop,nop,TS val 4722338 ecr 14866290], length 1448
    01:22:31.372582 IP node1.webcache > node2.56892: Flags [.], ack 330581118, win 681, options [nop,nop,TS val 4722339 ecr 14866290], length 0
    01:22:31.372585 IP node1.webcache > node2.56892: Flags [.], seq 3331169244:3331170692, ack 330581118, win 681, options [nop,nop,TS val 4722339 ecr 14866290], length 1448
    01:22:31.372586 IP node1.webcache > node2.56892: Flags [.], seq 3331170692:3331172140, ack 330581118, win 681, options [nop,nop,TS val 4722340 ecr 14866290], length 1448
    01:22:31.372600 IP node1.webcache > node2.56892: Flags [.], seq 3331172140:3331173588, ack 330581118, win 745, options [nop,nop,TS val 4722343 ecr 14866290], length 1448
    01:22:31.372601 IP node2.56892 > node1.webcache: Flags [.], ack 3331169244, win 334, options [nop,nop,TS val 14866311 ecr 4722338], length 0
    01:22:31.372602 IP node1.webcache > node2.56892: Flags [.], seq 3331173588:3331175036, ack 330581118, win 745, options [nop,nop,TS val 4722343 ecr 14866290], length 1448
    01:22:31.372614 IP node1.webcache > node2.56892: Flags [.], seq 3331175036:3331176484, ack 330581118, win 788, options [nop,nop,TS val 4722345 ecr 14866290], length 1448
    01:22:31.372617 IP node2.56892 > node1.webcache: Flags [.], ack 3331172140, win 380, options [nop,nop,TS val 14866311 ecr 4722339], length 0
    01:22:31.372633 IP node1.webcache > node2.56892: Flags [.], ack 330584014, win 896, options [nop,nop,TS val 4722348 ecr 14866290], length 0
    01:22:31.372638 IP node1.webcache > node2.56892: Flags [.], seq 3331176484:3331177932, ack 330589806, win 810, options [nop,nop,TS val 4722350 ecr 14866290], length 1448
    01:22:31.372639 IP node1.webcache > node2.56892: Flags [.], seq 3331177932:3331179380, ack 330589806, win 810, options [nop,nop,TS val 4722350 ecr 14866290], length 1448
    01:22:31.372651 IP node2.56892 > node1.webcache: Flags [.], seq 330598494:330610078, ack 3331176484, win 351, options [nop,nop,TS val 14866311 ecr 4722343], length 11584
    01:22:31.372752 IP node2.56892 > node1.webcache: Flags [.], seq 330610078:330611526, ack 3331179380, win 330, options [nop,nop,TS val 14866311 ecr 4722350], length 1448
    01:22:31.372803 IP node2.56892 > node1.webcache: Flags [.], seq 330611526:330621662, ack 3331179380, win 330, options [nop,nop,TS val 14866311 ecr 4722350], length 10136
    01:22:31.373093 IP node1.webcache > node2.56892: Flags [.], ack 330592702, win 960, options [nop,nop,TS val 4722359 ecr 14866311], length 0
    01:22:31.373102 IP node2.56892 > node1.webcache: Flags [.], seq 330621662:330624558, ack 3331179380, win 330, options [nop,nop,TS val 14866311 ecr 4722359], length 2896
    01:22:31.373142 IP node1.webcache > node2.56892: Flags [.], seq 3331179380:3331180828, ack 330598494, win 874, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373149 IP node2.56892 > node1.webcache: Flags [.], seq 330624558:330633246, ack 3331180828, win 319, options [nop,nop,TS val 14866311 ecr 4722359], length 8688
    01:22:31.373186 IP node1.webcache > node2.56892: Flags [.], seq 3331180828:3331182276, ack 330598494, win 874, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373189 IP node1.webcache > node2.56892: Flags [.], seq 3331182276:3331183724, ack 330598494, win 874, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373190 IP node1.webcache > node2.56892: Flags [P.], seq 3331183724:3331185172, ack 330598494, win 874, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373192 IP node1.webcache > node2.56892: Flags [.], seq 3331185172:3331186620, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373197 IP node1.webcache > node2.56892: Flags [.], seq 3331186620:3331188068, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373198 IP node1.webcache > node2.56892: Flags [.], seq 3331188068:3331189516, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373200 IP node1.webcache > node2.56892: Flags [.], seq 3331189516:3331190964, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373201 IP node1.webcache > node2.56892: Flags [.], seq 3331190964:3331192412, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373203 IP node1.webcache > node2.56892: Flags [.], seq 3331192412:3331193860, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373204 IP node1.webcache > node2.56892: Flags [.], seq 3331193860:3331195308, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373205 IP node1.webcache > node2.56892: Flags [.], seq 3331195308:3331196756, ack 330621662, win 531, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373207 IP node1.webcache > node2.56892: Flags [.], seq 3331196756:3331198204, ack 330624558, win 488, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373209 IP node1.webcache > node2.56892: Flags [.], seq 3331198204:3331199652, ack 330624558, win 488, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373228 IP node2.56892 > node1.webcache: Flags [P.], seq 330633246:330637590, ack 3331199652, win 180, options [nop,nop,TS val 14866311 ecr 4722359], length 4344
    01:22:31.373270 IP node2.56892 > node1.webcache: Flags [.], seq 330637590:330641934, ack 3331199652, win 180, options [nop,nop,TS val 14866311 ecr 4722359], length 4344
    01:22:31.373294 IP node2.56892 > node1.webcache: Flags [.], seq 330641934:330646278, ack 3331199652, win 180, options [nop,nop,TS val 14866311 ecr 4722359], length 4344
    01:22:31.373316 IP node1.webcache > node2.56892: Flags [.], seq 3331199652:3331201100, ack 330626006, win 466, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373321 IP node2.56892 > node1.webcache: Flags [.], seq 330646278:330650622, ack 3331201100, win 169, options [nop,nop,TS val 14866311 ecr 4722359], length 4344
    01:22:31.373344 IP node2.56892 > node1.webcache: Flags [.], seq 330650622:330654966, ack 3331201100, win 169, options [nop,nop,TS val 14866311 ecr 4722359], length 4344
    01:22:31.373364 IP node1.webcache > node2.56892: Flags [P.], seq 3331201100:3331202548, ack 330626006, win 466, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373367 IP node1.webcache > node2.56892: Flags [.], ack 330633246, win 380, options [nop,nop,TS val 4722359 ecr 14866311], length 0
    01:22:31.373371 IP node1.webcache > node2.56892: Flags [P.], seq 3331202548:3331202706, ack 330634694, win 359, options [nop,nop,TS val 4722359 ecr 14866311], length 158
    01:22:31.373483 IP node1.webcache > node2.56892: Flags [.], ack 330646278, win 187, options [nop,nop,TS val 4722359 ecr 14866311], length 0
    01:22:31.373489 IP node1.webcache > node2.56892: Flags [.], seq 3331202706:3331204154, ack 330654966, win 58, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373494 IP node2.56892 > node1.webcache: Flags [.], seq 330654966:330657862, ack 3331204154, win 146, options [nop,nop,TS val 14866311 ecr 4722359], length 2896
    01:22:31.373571 IP node1.webcache > node2.56892: Flags [.], seq 3331204154:3331205602, ack 330654966, win 80, options [nop,nop,TS val 4722359 ecr 14866311], length 1448
    01:22:31.373576 IP node2.56892 > node1.webcache: Flags [P.], seq 330657862:330659310, ack 3331205602, win 135, options [nop,nop,TS val 14866311 ecr 4722359], length 1448
    01:22:31.373594 IP node1.webcache > node2.56892: Flags [P.], seq 3331205602:3331205805, ack 330656414, win 58, options [nop,nop,TS val 4722359 ecr 14866311], length 203
    01:22:31.375509 IP node1.webcache > node2.56892: Flags [.], ack 330659310, win 37, options [nop,nop,TS val 4722361 ecr 14866311], length 0
    01:22:31.375522 IP node2.56892 > node1.webcache: Flags [.], seq 330659310:330660758, ack 3331205805, win 134, options [nop,nop,TS val 14866314 ecr 4722359], length 1448
    01:22:31.375543 IP node1.webcache > node2.56892: Flags [.], seq 3331205805:3331207253, ack 330659310, win 37, options [nop,nop,TS val 4722361 ecr 14866311], length 1448
    01:22:31.375967 IP node1.webcache > node2.56892: Flags [P.], seq 3331211597:3331212003, ack 330660758, win 101, options [nop,nop,TS val 4722361 ecr 14866314], length 406
    01:22:31.376273 IP node1.webcache > node2.56892: Flags [.], ack 330665102, win 58, options [nop,nop,TS val 4722362 ecr 14866314], length 0
    01:22:31.376281 IP node2.56892 > node1.webcache: Flags [.], seq 330665102:330667998, ack 3331212003, win 87, options [nop,nop,TS val 14866315 ecr 4722361], length 2896
    01:22:31.376369 IP node1.webcache > node2.56892: Flags [.], seq 3331212003:3331213451, ack 330665102, win 58, options [nop,nop,TS val 4722362 ecr 14866314], length 1448
    01:22:31.376373 IP node1.webcache > node2.56892: Flags [.], seq 3331213451:3331214899, ack 330665102, win 58, options [nop,nop,TS val 4722362 ecr 14866314], length 1448
    01:22:31.376458 IP node1.webcache > node2.56892: Flags [P.], seq 3331214899:3331216135, ack 330666550, win 80, options [nop,nop,TS val 4722362 ecr 14866315], length 1236
    01:22:31.376465 IP node2.56892 > node1.webcache: Flags [.], seq 330667998:330670894, ack 3331216135, win 55, options [nop,nop,TS val 14866315 ecr 4722362], length 2896
    01:22:31.378036 IP node1.webcache > node2.56892: Flags [P.], seq 3331216135:3331217168, ack 330670894, win 13, options [nop,nop,TS val 4722363 ecr 14866315], length 1033
    01:22:31.378109 IP node1.webcache > node2.56892: Flags [.], ack 330670894, win 37, options [nop,nop,TS val 4722363 ecr 14866315], length 0
    01:22:31.378127 IP node2.56892 > node1.webcache: Flags [.], seq 330670894:330672342, ack 3331217168, win 47, options [nop,nop,TS val 14866316 ecr 4722363], length 1448
    01:22:31.418766 IP node1.webcache > node2.56892: Flags [.], ack 330672342, win 15, options [nop,nop,TS val 4722404 ecr 14866316], length 0
    01:22:31.471294 IP node1.webcache > node2.56892: Flags [P.], seq 3331217168:3331218201, ack 330672342, win 15, options [nop,nop,TS val 4722457 ecr 14866316], length 1033
    01:22:31.471465 IP node1.webcache > node2.56892: Flags [.], ack 330672342, win 37, options [nop,nop,TS val 4722457 ecr 14866316], length 0
    01:22:31.471477 IP node2.56892 > node1.webcache: Flags [.], seq 330672342:330673790, ack 3331218201, win 39, options [nop,nop,TS val 14866410 ecr 4722457], length 1448
    01:22:31.471591 IP node1.webcache > node2.56892: Flags [.], seq 3331218201:3331219649, ack 330672342, win 37, options [nop,nop,TS val 4722457 ecr 14866316], length 1448
    01:22:31.471598 IP node1.webcache > node2.56892: Flags [.], seq 3331219649:3331221097, ack 330672342, win 58, options [nop,nop,TS val 4722457 ecr 14866316], length 1448
    01:22:31.471601 IP node2.56892 > node1.webcache: Flags [P.], seq 330673790:330675238, ack 3331221097, win 17, options [nop,nop,TS val 14866410 ecr 4722457], length 1448
    01:22:31.471839 IP node1.webcache > node2.56892: Flags [.], seq 3331221097:3331222545, ack 330672342, win 80, options [nop,nop,TS val 4722457 ecr 14866316], length 1448
    01:22:31.471909 IP node2.56892 > node1.webcache: Flags [.], seq 330675238:330676686, ack 3331222545, win 86, options [nop,nop,TS val 14866410 ecr 4722457], length 1448
    01:22:31.472018 IP node1.webcache > node2.56892: Flags [P.], seq 3331222545:3331223366, ack 330676686, win 37, options [nop,nop,TS val 4722457 ecr 14866410], length 821
    01:22:31.472030 IP node2.56892 > node1.webcache: Flags [.], seq 330676686:330678134, ack 3331223366, win 80, options [nop,nop,TS val 14866410 ecr 4722457], length 1448
    01:22:31.472128 IP node1.webcache > node2.56892: Flags [.], seq 3331223366:3331224814, ack 330676686, win 37, options [nop,nop,TS val 4722457 ecr 14866410], length 1448
    01:22:31.472134 IP node1.webcache > node2.56892: Flags [.], seq 3331224814:3331226262, ack 330676686, win 58, options [nop,nop,TS val 4722458 ecr 14866410], length 1448
    01:22:31.472138 IP node2.56892 > node1.webcache: Flags [.], seq 330678134:330679582, ack 3331226262, win 58, options [nop,nop,TS val 14866410 ecr 4722457], length 1448
    01:22:31.472160 IP node1.webcache > node2.56892: Flags [P.], seq 3331226262:3331226465, ack 330678134, win 58, options [nop,nop,TS val 4722458 ecr 14866410], length 203
    01:22:31.472165 IP node2.56892 > node1.webcache: Flags [.], seq 330679582:330681030, ack 3331226465, win 57, options [nop,nop,TS val 14866410 ecr 4722458], length 1448
    01:22:31.472430 IP node1.webcache > node2.56892: Flags [P.], seq 3331226465:3331227498, ack 330681030, win 13, options [nop,nop,TS val 4722458 ecr 14866410], length 1033
    01:22:31.472439 IP node1.webcache > node2.56892: Flags [.], ack 330681030, win 37, options [nop,nop,TS val 4722458 ecr 14866410], length 0
    01:22:31.472443 IP node2.56892 > node1.webcache: Flags [.], seq 330681030:330682478, ack 3331227498, win 49, options [nop,nop,TS val 14866411 ecr 4722458], length 1448
    01:22:31.472529 IP node1.webcache > node2.56892: Flags [.], seq 3331227498:3331228946, ack 330681030, win 37, options [nop,nop,TS val 4722458 ecr 14866410], length 1448
    01:22:31.472534 IP node1.webcache > node2.56892: Flags [.], seq 3331228946:3331230394, ack 330681030, win 58, options [nop,nop,TS val 4722458 ecr 14866410], length 1448
    01:22:31.472539 IP node2.56892 > node1.webcache: Flags [.], seq 330682478:330683926, ack 3331230394, win 27, options [nop,nop,TS val 14866411 ecr 4722458], length 1448
    01:22:31.472564 IP node1.webcache > node2.56892: Flags [P.], seq 3331230394:3331230597, ack 330682478, win 58, options [nop,nop,TS val 4722458 ecr 14866411], length 203
    01:22:31.472570 IP node2.56892 > node1.webcache: Flags [.], seq 330683926:330685374, ack 3331230597, win 26, options [nop,nop,TS val 14866411 ecr 4722458], length 1448
    01:22:31.473004 IP node1.webcache > node2.56892: Flags [P.], seq 3331230597:3331231630, ack 330685374, win 13, options [nop,nop,TS val 4722458 ecr 14866411], length 1033
    01:22:31.473094 IP node1.webcache > node2.56892: Flags [.], ack 330685374, win 37, options [nop,nop,TS val 4722458 ecr 14866411], length 0
    01:22:31.473102 IP node2.56892 > node1.webcache: Flags [.], seq 330685374:330686822, ack 3331231630, win 27, options [nop,nop,TS val 14866411 ecr 4722458], length 1448
    01:22:31.473196 IP node1.webcache > node2.56892: Flags [.], seq 3331231630:3331233078, ack 330685374, win 37, options [nop,nop,TS val 4722459 ecr 14866411], length 1448
    01:22:31.473255 IP node1.webcache > node2.56892: Flags [P.], seq 3331233078:3331233696, ack 330686822, win 37, options [nop,nop,TS val 4722459 ecr 14866411], length 618
    01:22:31.473264 IP node2.56892 > node1.webcache: Flags [.], seq 330686822:330688270, ack 3331233696, win 11, options [nop,nop,TS val 14866412 ecr 4722459], length 1448
    01:22:31.473379 IP node1.webcache > node2.56892: Flags [.], ack 330688270, win 58, options [nop,nop,TS val 4722459 ecr 14866412], length 0
    01:22:31.473385 IP node2.56892 > node1.webcache: Flags [.], seq 330688270:330689718, ack 3331233696, win 11, options [nop,nop,TS val 14866412 ecr 4722459], length 1448
    01:22:31.473408 IP node2.56892 > node1.webcache: Flags [.], seq 330689718:330691166, ack 3331233696, win 11, options [nop,nop,TS val 14866412 ecr 4722459], length 1448
    01:22:31.473790 IP node1.webcache > node2.56892: Flags [.], ack 330691166, win 37, options [nop,nop,TS val 4722459 ecr 14866412], length 0
    01:22:31.473804 IP node2.56892 > node1.webcache: Flags [.], seq 330691166:330692614, ack 3331233696, win 11, options [nop,nop,TS val 14866412 ecr 4722459], length 1448
    01:22:31.474191 IP node1.webcache > node2.56892: Flags [.], ack 330692614, win 58, options [nop,nop,TS val 4722460 ecr 14866412], length 0
    01:22:31.474202 IP node2.56892 > node1.webcache: Flags [.], seq 330692614:330695510, ack 3331233696, win 11, options [nop,nop,TS val 14866412 ecr 4722460], length 2896
    01:22:31.474319 IP node1.webcache > node2.56892: Flags [.], ack 330695510, win 58, options [nop,nop,TS val 4722460 ecr 14866412], length 0
    01:22:31.474325 IP node2.56892 > node1.webcache: Flags [.], seq 330695510:330696958, ack 3331233696, win 11, options [nop,nop,TS val 14866413 ecr 4722460], length 1448
    01:22:31.474348 IP node2.56892 > node1.webcache: Flags [.], seq 330696958:330698406, ack 3331233696, win 11, options [nop,nop,TS val 14866413 ecr 4722460], length 1448
    01:22:31.474539 IP node1.webcache > node2.56892: Flags [.], ack 330698406, win 37, options [nop,nop,TS val 4722460 ecr 14866413], length 0
    01:22:31.474736 IP node2.56892 > node1.webcache: Flags [.], seq 330698406:330699854, ack 3331233696, win 11, options [nop,nop,TS val 14866413 ecr 4722460], length 1448
    01:22:31.474776 IP node1.webcache > node2.56892: Flags [.], ack 330698406, win 80, options [nop,nop,TS val 4722460 ecr 14866413], length 0
    01:22:31.474781 IP node2.56892 > node1.webcache: Flags [.], seq 330699854:330702750, ack 3331233696, win 11, options [nop,nop,TS val 14866413 ecr 4722460], length 2896
    01:22:31.475007 IP node1.webcache > node2.56892: Flags [.], ack 330698406, win 166, options [nop,nop,TS val 4722460 ecr 14866413], length 0
    01:22:31.475014 IP node2.56892 > node1.webcache: Flags [P.], seq 330702750:330704198, ack 3331233696, win 11, options [nop,nop,TS val 14866413 ecr 4722460], length 1448
    01:22:31.475038 IP node2.56892 > node1.webcache: Flags [.], seq 330704198:330708542, ack 3331233696, win 11, options [nop,nop,TS val 14866413 ecr 4722460], length 4344
    01:22:31.475064 IP node1.webcache > node2.56892: Flags [.], ack 330702750, win 123, options [nop,nop,TS val 4722460 ecr 14866413], length 0
    01:22:31.475223 IP node1.webcache > node2.56892: Flags [.], ack 330705646, win 123, options [nop,nop,TS val 4722461 ecr 14866413], length 0
    01:22:31.475231 IP node2.56892 > node1.webcache: Flags [.], seq 330708542:330711438, ack 3331233696, win 11, options [nop,nop,TS val 14866414 ecr 4722461], length 2896
    01:22:31.475386 IP node1.webcache > node2.56892: Flags [.], ack 330711438, win 58, options [nop,nop,TS val 4722461 ecr 14866413], length 0
    01:22:31.475394 IP node2.56892 > node1.webcache: Flags [.], seq 330711438:330714334, ack 3331233696, win 11, options [nop,nop,TS val 14866414 ecr 4722461], length 2896
    01:22:31.475647 IP node1.webcache > node2.56892: Flags [.], ack 330714334, win 37, options [nop,nop,TS val 4722461 ecr 14866414], length 0
    01:22:31.475657 IP node2.56892 > node1.webcache: Flags [.], seq 330714334:330715782, ack 3331233696, win 11, options [nop,nop,TS val 14866414 ecr 4722461], length 1448
    01:22:31.475759 IP node1.webcache > node2.56892: Flags [.], ack 330714334, win 80, options [nop,nop,TS val 4722461 ecr 14866414], length 0
    01:22:31.475765 IP node2.56892 > node1.webcache: Flags [.], seq 330715782:330718678, ack 3331233696, win 11, options [nop,nop,TS val 14866414 ecr 4722461], length 2896
    01:22:31.475923 IP node1.webcache > node2.56892: Flags [.], ack 330715782, win 123, options [nop,nop,TS val 4722461 ecr 14866414], length 0
    01:22:31.475930 IP node2.56892 > node1.webcache: Flags [.], seq 330718678:330723022, ack 3331233696, win 11, options [nop,nop,TS val 14866414 ecr 4722461], length 4344
    01:22:31.476014 IP node1.webcache > node2.56892: Flags [.], ack 330718678, win 101, options [nop,nop,TS val 4722461 ecr 14866414], length 0
    01:22:31.476060 IP node1.webcache > node2.56892: Flags [.], ack 330723022, win 37, options [nop,nop,TS val 4722462 ecr 14866414], length 0
    01:22:31.476067 IP node2.56892 > node1.webcache: Flags [.], seq 330723022:330724470, ack 3331233696, win 11, options [nop,nop,TS val 14866414 ecr 4722462], length 1448
    01:22:31.476156 IP node1.webcache > node2.56892: Flags [.], ack 330724470, win 58, options [nop,nop,TS val 4722462 ecr 14866414], length 0
    01:22:31.476163 IP node2.56892 > node1.webcache: Flags [P.], seq 330724470:330727366, ack 3331233696, win 11, options [nop,nop,TS val 14866414 ecr 4722462], length 2896
    01:22:31.477869 IP node1.webcache > node2.56892: Flags [.], ack 330727366, win 37, options [nop,nop,TS val 4722463 ecr 14866414], length 0
    01:22:31.477887 IP node2.56892 > node1.webcache: Flags [.], seq 330727366:330728814, ack 3331233696, win 11, options [nop,nop,TS val 14866416 ecr 4722463], length 1448
    01:22:31.477941 IP node1.webcache > node2.56892: Flags [.], ack 330727366, win 80, options [nop,nop,TS val 4722463 ecr 14866414], length 0
    01:22:31.477947 IP node2.56892 > node1.webcache: Flags [.], seq 330728814:330731710, ack 3331233696, win 11, options [nop,nop,TS val 14866416 ecr 4722463], length 2896
    01:22:31.478196 IP node1.webcache > node2.56892: Flags [.], ack 330731710, win 37, options [nop,nop,TS val 4722464 ecr 14866416], length 0
    01:22:31.478222 IP node2.56892 > node1.webcache: Flags [.], seq 330731710:330733158, ack 3331233696, win 11, options [nop,nop,TS val 14866416 ecr 4722464], length 1448
    01:22:31.479871 IP node1.webcache > node2.56892: Flags [.], ack 330733158, win 58, options [nop,nop,TS val 4722465 ecr 14866416], length 0
    01:22:31.479884 IP node2.56892 > node1.webcache: Flags [.], seq 330733158:330736054, ack 3331233696, win 11, options [nop,nop,TS val 14866418 ecr 4722465], length 2896
    01:22:31.479997 IP node1.webcache > node2.56892: Flags [.], ack 330736054, win 58, options [nop,nop,TS val 4722466 ecr 14866418], length 0
    01:22:31.480006 IP node2.56892 > node1.webcache: Flags [.], seq 330736054:330738950, ack 3331233696, win 11, options [nop,nop,TS val 14866418 ecr 4722466], length 2896
    01:22:31.480252 IP node1.webcache > node2.56892: Flags [.], ack 330738950, win 37, options [nop,nop,TS val 4722466 ecr 14866418], length 0
    01:22:31.480262 IP node2.56892 > node1.webcache: Flags [.], seq 330738950:330740398, ack 3331233696, win 11, options [nop,nop,TS val 14866419 ecr 4722466], length 1448
    01:22:31.481869 IP node1.webcache > node2.56892: Flags [.], ack 330740398, win 58, options [nop,nop,TS val 4722467 ecr 14866419], length 0
    01:22:31.481883 IP node2.56892 > node1.webcache: Flags [.], seq 330740398:330743294, ack 3331233696, win 11, options [nop,nop,TS val 14866420 ecr 4722467], length 2896
    01:22:31.521693 IP node1.webcache > node2.56892: Flags [.], ack 330743294, win 37, options [nop,nop,TS val 4722507 ecr 14866420], length 0
    01:22:31.521720 IP node2.56892 > node1.webcache: Flags [.], seq 330743294:330744742, ack 3331233696, win 11, options [nop,nop,TS val 14866460 ecr 4722507], length 1448
    01:22:31.561735 IP node1.webcache > node2.56892: Flags [.], ack 330744742, win 15, options [nop,nop,TS val 4722547 ecr 14866460], length 0
    01:22:31.682245 IP node1.webcache > node2.56892: Flags [P.], seq 3331233696:3331235104, ack 330744742, win 15, options [nop,nop,TS val 4722668 ecr 14866460], length 1408
    01:22:31.722318 IP node2.56892 > node1.webcache: Flags [.], ack 3331235104, win 0, options [nop,nop,TS val 14866661 ecr 4722668], length 0
    01:22:31.772333 IP node2.56892 > node1.webcache: Flags [P.], seq 330744742:330745702, ack 3331235104, win 0, options [nop,nop,TS val 14866711 ecr 4722668], length 960
    01:22:31.772560 IP node1.webcache > node2.56892: Flags [.], ack 330745702, win 0, options [nop,nop,TS val 4722758 ecr 14866711], length 0
    01:22:31.929165 IP node1.webcache > node2.56892: Flags [.], ack 330745702, win 0, options [nop,nop,TS val 4722915 ecr 14866711], length 0
    01:22:31.929183 IP node2.56892 > node1.webcache: Flags [.], ack 3331235104, win 0, options [nop,nop,TS val 14866867 ecr 4722758], length 0
    01:22:31.982157 IP node2.56892 > node1.webcache: Flags [.], ack 3331235104, win 0, options [nop,nop,TS val 14866920 ecr 4722758], length 0
    01:22:31.982455 IP node1.webcache > node2.56892: Flags [.], ack 330745702, win 0, options [nop,nop,TS val 4722968 ecr 14866867], length 0
    01:22:32.341613 IP node1.webcache > node2.56892: Flags [.], ack 330745702, win 0, options [nop,nop,TS val 4723327 ecr 14866867], length 0
    01:22:32.341631 IP node2.56892 > node1.webcache: Flags [.], ack 3331235104, win 0, options [nop,nop,TS val 14867280 ecr 4722968], length 0
    01:22:32.400363 IP node2.56892 > node1.webcache: Flags [.], ack 3331235104, win 0, options [nop,nop,TS val 14867339 ecr 4722968], length 0
    01:22:32.400565 IP node1.webcache > node2.56892: Flags [.], ack 330745702, win 0, options [nop,nop,TS val 4723386 ecr 14867280], length 0
    01:22:33.165674 IP node1.webcache > node2.56892: Flags [.], ack 330745702, win 0, options [nop,nop,TS val 4724151 ecr 14867280], length 0
    01:22:33.165696 IP node2.56892 > node1.webcache: Flags [.], ack 3331235104, win 0, options [nop,nop,TS val 14868104 ecr 4723386], length 0
    01:22:33.236321 IP node2.56892 > node1.webcache: Flags [.], ack 3331235104, win 0, options [nop,nop,TS val 14868175 ecr 4723386], length 0
    01:22:33.236600 IP node1.webcache > node2.56892: Flags [.], ack 330745702, win 0, options [nop,nop,TS val 4724222 ecr 14868104], length 0
    01:22:33.365906 IP node1.webcache > node2.56892: Flags [R.], seq 3331235104, ack 330745702, win 996, options [nop,nop,TS val 4724350 ecr 14868104], length 0
    ^C
    189 packets captured
    194 packets received by filter
    
    
    node2:/root/test#python t17.py 
    2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222
    1460000
    MTU: 0
    Traceback (most recent call last):
      File "t17.py", line 32, in <module>
        s.recv(99999999)
    socket.error: [Errno 104] Connection reset by peer
    node2:/root/test#cat t17.py 
    import socket
    # import IN
    import struct
    b=2
    def getnum(x):
        b='2'
        for y in range(x):
            #print y
            b=b+'2'
            if len(b) == x:
                #print '-------------'
                #print len(b)
                return b
    print getnum(1024)
    c=getnum(1460000)
    s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    class IN:
        IP_MTU = 14
        IP_PMTUDISC_DONT = 0
        IP_PMTUDISC_DO = 2
        IP_MTU_DISCOVER=10
    #s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    s.setsockopt(socket.IPPROTO_IP, IN.IP_MTU_DISCOVER,IN.IP_PMTUDISC_DONT)
    # print dir(s.setsockopt(socket.SOL_SOCKET))
    s.connect(("192.168.137.2",8080))
    # s.shutdown(2)
    print len(c)
    s.send(c)
    option = getattr(IN, 'IP_MTU_DISCOVER', 10)
    print 'MTU:', s.getsockopt(socket.IPPROTO_IP, option)
    s.recv(99999999)
    s.recv(99999999)
    

     

    展开全文
  • connect reset 应该终止数据库连接,包含一个commit动作 terminate应该是能终止这个client发起的进程,释放资源 terminate是命令,除了断开连接以外,它还终止clp(命令行处理器)的后台进程,也就是常见的db2bp...
    connect reset 应该终止数据库连接,包含一个commit动作
    terminate 应该是能终止这个client发起的进程,释放资源
     
    terminate是命令,除了断开连接以外,它还终止clp(命令行处理器)的后台进程,也就是常见的db2bp.connect reset 是sql语句
     
    quit 退出clp,但数据库连接不断开
    connect reset 断开数据库连接但不退出clp
    terminate 断开数据库连接,同时退出clp

    转载于:https://www.cnblogs.com/LLeiFeng/p/4347533.html

    展开全文
  • jdbc connect reset问题

    2015-11-13 11:07:35
    多个相同的进程同时启动,访问数据库出现connect reset问题 解决: rm /dev/random ln -s /dev/urandom /dev/random 参见:http://blog.csdn.net/ryantotti/article/details/45499197
  • linux errno 104 Connect reset by peer

    千次阅读 2017-07-03 12:08:30
    java.net.SocketException: (Connection reset或者Connect reset by peer:Socket write error)。该异常在客户端和服务器端均有可能发生,引起该异常的原因有两个,第一个就是如果一端的Socket被关闭(或主动关闭...
  • 基于zuul2开发的网关项目在阿里云上试运行3个月后开始在腾讯云部署,在单机测试过程中没发现任何问题,但是部署网关的实例挂在LB下每次客户端请求都会在网关层打印connect reset by peer的错误,可是客户端并没有...
  • (2) S3 connect reset by peer

    2018-09-17 18:54:13
    Connect reset 原因 定位分析 1. 问题表现 继第一篇《问题描述 &amp; 初步分析定位》, 问题表现为: s3cmd error message: error: [Errno 104] Connection reset by peer radosgw error message: ERROR: ...
  • 1.通过jsoup访问https://www.xncx.gov.cn/Item/13754.aspx 时报connect reset错误(jsoup 已经设置了忽略证书,信任所有主机) 2.通过chrome浏览器,fiddler访问目标URL正常。 二、问题分析 Connection Reset...
  • [IBM DB2] db2 terminate 和 db2 connect reset 有什么区别? 总结:如果是退出编辑器 quit ;如果是断开数据库连接释放资源 connect reset ;如果是修改了参数下次使用数据服务想要生效 terminate。 1:...
  • Socket报connect reset异常

    2020-12-29 16:42:45
    就会报connect reset,百度了一下是客户端或服务端其中一方主动断开了连接,再次审查自己的代码发现,创建的线程种执行完了就关闭了socket,所以加上休眠时间服务器端才能有时间对发送过来的数据进行处理
  • 该异常在客户端和服务器端均有可能发生,引起该异常的原因有两个,第一个就是如果一端的Socket被关闭(或主动关闭或者因为异常退出而引起的关闭),另一端仍发送数据,发送的第一个数据包引发该异常(Connect reset ...
  • connection reset" <h2>Debug Information <p>The output of <code>docker-compose logs netbox</code>: <pre><code> Starting netboxdocker_postgres_1 ... Starting netboxdocker_postgres_1 ... done ...
  • reset”). The problem is two fold 1. The JVM tries to list all the files in the /tmp (or alternate tmp directory set by -Djava.io.tmpdir) when SecureRandom.nextBytes(byte[]) is invoked. If the ...
  • 话说Connect reset异常

    2012-09-25 16:20:58
    起因是这样的,线上log经常出现Connection Reset异常,从堆栈上分析是solr进行sharding request时发生的,solr部署在tomcat上。从现场来看,原因很明白Server端发出RST包。但具体原因是什么就得经过一番分析了, ...
  • Socket 的服务端与客户端连接 ...当关闭客户端时服务端一直抛出异常 java.net.SocketException: Connection reset 是要重新连接的意思吗? 如何才能让客户端关闭了就直接结束 让两端直接断开 服务器释放内存?
  • NULL 博文链接:https://desert3.iteye.com/blog/1041016
  • (1) S3 connect reset by peer

    2018-09-17 18:51:20
    Problem: error: [Errno 104] Connection reset by peer S3cmd: 2.0.2 python: 2.7.5 (default, May 3 2017, 07:55:04) [GCC 4.8.5 20150623 (Red Hat 4.8.5-14)] environment LANG=en_US.UTF-8 Traceback ...
  • java.sql.SQLRecoverableException: IO 错误: Connection reset at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1067) at oracle.jdbc.driver.OracleStatement....
  • 异常内容: org.springframework.web.client.ResourceAccessException: I/O error on GET request for "http://news.panguso.com/subapi!...cid=855":Connection reset; nested exception is java.net....
  • debug2: ssh_connect_direct: needpriv 0 debug1: Connecting to 192.168.0.198 [192.168.0.198] port 22. debug1: Connection established. debug1: identity file C:\\Users\\myfolder/.ssh/id_rsa type 0 ...
  • Server端Listen(监听)某个端口是否有连接请求,Client端向Server 端发出Connect(连接)请求,Server端向Client端发回Accept(接受)消息。一个连接就建立起来了。Server端和Client 端都可以通过Send,Write等方法与...
  • <div><p>I noticed that a hotspot is opened if the ESP8266 reconnects to a previous wifi using autoconnect after a reset. <p>I use the same workaround like in the ...
  • On a power off or reset, the ESP requires an additional reset or power off/power on to connect. After a reset/power off, the sketch goes into the portal mode after failing to connect with a WM: 4. It...
  • Sweep range reset on connect

    2020-12-25 17:28:35
    Every time device is connected, sweep range is reset to 200-300MHz. <p><strong>To Reproduce Steps to reproduce the behavior: 1. Connect device 2. Set sweep range 10-100MHz (or any other) 3. Disconnect...

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