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Thread: SSL issue: java.net.SocketException: Broken pipe

  1. #1
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    Default SSL issue: java.net.SocketException: Broken pipe

    I am trying to write simple class where I try to hit google.com, but I get java.net.SocketException: Broken pipe error. I have tried to run the code below on different Java versions: 8, 14, 15, but unfortunately I get the same error irrespective of Java version.

    import javax.net.ssl.SSLContext;
    import javax.net.ssl.SSLSocketFactory;
    import javax.net.ssl.TrustManagerFactory;
    import javax.net.ssl.HttpsURLConnection;
    import java.io.*;
    import java.net.*;
    import java.sql.SQLException;
    import java.security.KeyStore;
     
    public class Test{
     
      /**
      * Utility method for getting object from url
      */
    public static void main(String[] args){
              String ret = "success";
        try {
          String urlString;
     
          //Oh my god this is stupid!
          //https://stackoverflow.com/a/25735202
          URL url = new URL("https://www.google.com");
          URI uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(), url.getPort(), url.getPath(), url.getQuery(), url.getRef());
          urlString=uri.toASCIIString();
          url = new URL(urlString);
          HttpsURLConnection con = (HttpsURLConnection) url.openConnection();
          con.setConnectTimeout(60000);
          con.setReadTimeout(60000);
     
          InputStream inputStream = con.getInputStream();
          inputStream.close();
          con.disconnect();
     
        } catch (InvalidClassException e)  {
          ret = "Invalid class: "+e.getMessage();
        } catch (MalformedURLException e) {
          ret = "Malformed URL "+e.getMessage();
        } catch (SocketTimeoutException e) {
          ret = "Timeout "+e.getMessage();
        } catch (UnknownHostException e) {
        } catch (IOException e) {
          ret = "Error in reading from (possible timeout)";
        } catch (URISyntaxException e) {
          ret = "URI syntax error "+e.getMessage();
        } catch (Exception e) {
          ret = "Getting data from URL "+e.getMessage();
        }
     
              System.out.println(ret);
      }
    }
    Last edited by dom.atom; December 1st, 2020 at 04:41 PM.

  2. #2
    Super Moderator Norm's Avatar
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    Default Re: SSL issue: java.net.SocketException: Broken pipe

    Can you add a call to the printStackTrace method to get a fuller error message?

    There is a local path in the code that makes it impossible to test.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: SSL issue: java.net.SocketException: Broken pipe

    I have removed local path, it's not needed to repro the issue.

    This is the debug output for handshake:

    javax.net.ssl|DEBUG|01|main|2020-12-01 14:28:01.468 CET|SSLSocketOutputRecord.java:258|WRITE: TLS13 handshake, length = 409
    javax.net.ssl|DEBUG|01|main|2020-12-01 14:28:01.469 CET|SSLSocketOutputRecord.java:272|Raw write (
    0000: 16 03 03 01 99 01 00 01 95 03 03 24 2D 02 9C 07 ...........$-...
    0010: CB 24 22 CD 09 4F B0 8A F1 57 08 BC C3 A6 8C BC .$"..O...W......
    0020: A7 10 CC 77 93 18 2A CB 84 A9 FF 20 E7 11 2C 9F ...w..*.... ..,.
    0030: 2D A4 DE E5 9A 39 18 F6 7D A4 6F EB B5 4E 3A F4 -....9....o..N:.
    0040: 67 09 7E 9D 45 5B 05 C7 FE D8 F6 47 00 62 13 02 g...E[.....G.b..
    0050: 13 01 13 03 C0 2C C0 2B CC A9 C0 30 CC A8 C0 2F .....,.+...0.../
    0060: 00 9F CC AA 00 A3 00 9E 00 A2 C0 24 C0 28 C0 23 ...........$.(.#
    0070: C0 27 00 6B 00 6A 00 67 00 40 C0 2E C0 32 C0 2D .'.k.j.g.@...2.-
    0080: C0 31 C0 26 C0 2A C0 25 C0 29 C0 0A C0 14 C0 09 .1.&.*.%.)......
    0090: C0 13 00 39 00 38 00 33 00 32 C0 05 C0 0F C0 04 ...9.8.3.2......
    00A0: C0 0E 00 9D 00 9C 00 3D 00 3C 00 35 00 2F 00 FF .......=.<.5./..
    00B0: 01 00 00 EA 00 00 00 13 00 11 00 00 0E 77 77 77 .............www
    00C0: 2E 67 6F 6F 67 6C 65 2E 63 6F 6D 00 05 00 05 01 .google.com.....
    00D0: 00 00 00 00 00 0A 00 16 00 14 00 1D 00 17 00 18 ................
    00E0: 00 19 00 1E 01 00 01 01 01 02 01 03 01 04 00 0B ................
    00F0: 00 02 01 00 00 0D 00 28 00 26 04 03 05 03 06 03 .......(.&......
    0100: 08 04 08 05 08 06 08 09 08 0A 08 0B 04 01 05 01 ................
    0110: 06 01 04 02 03 03 03 01 03 02 02 03 02 01 02 02 ................
    0120: 00 32 00 28 00 26 04 03 05 03 06 03 08 04 08 05 .2.(.&..........
    0130: 08 06 08 09 08 0A 08 0B 04 01 05 01 06 01 04 02 ................
    0140: 03 03 03 01 03 02 02 03 02 01 02 02 00 11 00 09 ................
    0150: 00 07 02 00 04 00 00 00 00 00 17 00 00 00 23 00 ..............#.
    0160: 00 00 2B 00 09 08 03 04 03 03 03 02 03 01 00 2D ..+............-
    0170: 00 02 01 01 00 33 00 26 00 24 00 1D 00 20 DF 79 .....3.&.$... .y
    0180: 45 AD D3 E0 94 7E 25 2B 21 F9 89 5F AC 1D FD C6 E.....%+!.._....
    0190: D0 36 42 1C 80 78 83 48 DC 0A CC AA 0D 4B .6B..x.H.....K
    )
    javax.net.ssl|ERROR|01|main|2020-12-01 14:28:01.507 CET|TransportContext.java:361|Fatal (UNEXPECTED_MESSAGE): Connection reset (
    "throwable" : {
    java.net.SocketException: Connection reset
    at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.ja va:323)
    at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:3 50)
    at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java :803)
    at java.base/java.net.Socket$SocketInputStream.read(Socket.java :981)
    at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSock etInputRecord.java:478)
    at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(S SLSocketInputRecord.java:472)
    at java.base/sun.security.ssl.SSLSocketInputRecord.decode(SSLSo cketInputRecord.java:160)
    at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport. java:110)
    at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImp l.java:1488)
    at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord (SSLSocketImpl.java:1394)
    at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLS ocketImpl.java:441)
    at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLS ocketImpl.java:412)
    at java.base/sun.net.http://www.protocol.https.HttpsClien...ient.java:567)
    at java.base/sun.net.http://www.protocol.https.AbstractDe...tion.java:183)
    at java.base/sun.net.http://www.protocol.http.HttpURLConn...ion.java:1600)
    at java.base/sun.net.http://www.protocol.http.HttpURLConn...ion.java:1528)
    at java.base/sun.net.http://www.protocol.https.HttpsURLCo...Impl.java:224)
    at Test.main(Test.java:30)}

    )
    javax.net.ssl|ALL|01|main|2020-12-01 14:28:01.508 CET|SSLSessionImpl.java:1224|Invalidated session: Session(1606829281290|SSL_NULL_WITH_NULL_NULL)
    javax.net.ssl|DEBUG|01|main|2020-12-01 14:28:01.508 CET|SSLSocketOutputRecord.java:72|WRITE: TLS13 alert(unexpected_message), length = 2
    javax.net.ssl|WARNING|01|main|2020-12-01 14:28:01.509 CET|TransportContext.java:403|Fatal: failed to send fatal alert UNEXPECTED_MESSAGE (
    "throwable" : {
    java.net.SocketException: Broken pipe
    at java.base/sun.nio.ch.NioSocketImpl.implWrite(NioSocketImpl.j ava:420)
    at java.base/sun.nio.ch.NioSocketImpl.write(NioSocketImpl.java: 440)
    at java.base/sun.nio.ch.NioSocketImpl$2.write(NioSocketImpl.jav a:826)
    at java.base/java.net.Socket$SocketOutputStream.write(Socket.ja va:1051)
    at java.base/sun.security.ssl.SSLSocketOutputRecord.encodeAlert (SSLSocketOutputRecord.java:82)
    at java.base/sun.security.ssl.TransportContext.fatal(TransportC ontext.java:400)
    at java.base/sun.security.ssl.TransportContext.fatal(TransportC ontext.java:312)
    at java.base/sun.security.ssl.TransportContext.fatal(TransportC ontext.java:307)
    at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport. java:144)
    at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImp l.java:1488)
    at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord (SSLSocketImpl.java:1394)
    at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLS ocketImpl.java:441)
    at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLS ocketImpl.java:412)
    at java.base/sun.net.http://www.protocol.https.HttpsClien...ient.java:567)
    at java.base/sun.net.http://www.protocol.https.AbstractDe...tion.java:183)
    at java.base/sun.net.http://www.protocol.http.HttpURLConn...ion.java:1600)
    at java.base/sun.net.http://www.protocol.http.HttpURLConn...ion.java:1528)
    at java.base/sun.net.http://www.protocol.https.HttpsURLCo...Impl.java:224)
    at Test.main(Test.java:30)}

    )
    javax.net.ssl|DEBUG|01|main|2020-12-01 14:28:01.509 CET|SSLSocketImpl.java:1727|close the underlying socket
    javax.net.ssl|DEBUG|01|main|2020-12-01 14:28:01.509 CET|SSLSocketImpl.java:1746|close the SSL connection (initiative)

  4. #4
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    Default Re: SSL issue: java.net.SocketException: Broken pipe

    I have removed local path
    Could you post the new code?

    When I comment out this line:
    // con.setSSLSocketFactory(createSocketFactory("/home/user/google.jks", "password")); //????
    plus the catch block that goes with it
    I get this printed: success
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: SSL issue: java.net.SocketException: Broken pipe

    I have updated the code in original post. However, I just tried to run the code on other machine which is Win with jdk1.8.0_261 and it went through successfully. So I guess the issue is with JDK/OpenJDK on my RHEL-7 machines where I can repro the issue.

  6. #6
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    Default Re: SSL issue: java.net.SocketException: Broken pipe

    it went through successfully.
    Ok, so you have it working with java.
    If you don't understand my answer, don't ignore it, ask a question.

  7. #7
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    Default Re: SSL issue: java.net.SocketException: Broken pipe

    Found the issue - it was the proxy server that was refusing SSL connection

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