As noted in that exception message, it appears that the server is
sending a "supported_groups" extension in its ServerHello message
(TLSv1.2). Reading about it, this seems to be a common issue with
certain servers and certain SSL implementations have added support to be
lenient with such servers https://github.com/openssl/openssl/pull/4463/files
-Jaikiran
On 25/08/18 11:58 AM, Jaikiran Pai wrote:
> While testing the recently released RC of JDK11 against the Apache Ant
> project, I happened to run into an odd error. I have now been able to
> reproduce this using the following, pretty trivial code:
>
> import java.net.URL;
> import java.io.InputStream;
>
> public class Fetch {
> public static void main(final String[] args) throws Exception {
> final URL targetURL = new
> URL("https://repository.jboss.org/nexus/content/groups/public/javax/media/jai-core/1.1.3/jai-core-1.1.3.pom";);
> try (final InputStream is =
> targetURL.openConnection().getInputStream()) {
> is.read();
> }
> System.out.println("Done");
> }
> }
>
> All it does is opens a (HTTPS) connection against an endpoint to read
> some content. This code works fine in Java 8 and even Java 10. I'm
> pretty sure this was working fine even in Java 11 early access builds,
> but I don't have any such build/binary at hand to be certain.
>
> However, using the latest (OpenJDK) RC of Java 11 (both on Mac OS and
> Linux) downloaded from[1]:
>
> openjdk version "11" 2018-09-25
> OpenJDK Runtime Environment 18.9 (build 11+28)
> OpenJDK 64-Bit Server VM 18.9 (build 11+28, mixed mode)
>
> it fails with:
>
>
> Exception in thread "main" javax.net.ssl.SSLHandshakeException:
> extension (10) should not be presented in server_hello
> at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:128)
> at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)
> at
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)
> at
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:264)
> at
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:255)
> at
> java.base/sun.security.ssl.SSLExtensions.<init>(SSLExtensions.java:71)
> at
> java.base/sun.security.ssl.ServerHello$ServerHelloMessage.<init>(ServerHello.java:173)
> at
> java.base/sun.security.ssl.ServerHello$ServerHelloConsumer.consume(ServerHello.java:864)
> at
> java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:392)
> at
> java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:444)
> at
> java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:421)
> at
> java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:178)
> at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:164)
> at
> java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1152)
> at
> java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1063)
> at
> java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:402)
> at
> java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:567)
> at
> java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
> at
> java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1581)
> at
> java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1509)
> at
> java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:245)
> at Fetch.main(Fetch.java:7)
>
>
> [1] http://jdk.java.net/11/
>
> -Jaikiran
>
>
>
>
