On Thu, 18 Dec 2025 16:39:06 GMT, Matthias Baesken <[email protected]> wrote:

>> In [JDK-8373676](https://bugs.openjdk.org/browse/JDK-8373676)
>> we noticed a "SocketException: Protocol family unavailable" because of 
>> missing ipv6 support. We could improve this exception and tell that the ipv6 
>> support is not available or something related.
>
> Matthias Baesken has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Adjust the message as suggested by jaikiran

Hi Alan, it was the test  
javax/net/ssl/HttpsURLConnection/SubjectAltNameIP.java .
See  https://bugs.openjdk.org/browse/JDK-8373676  .


Error :
command: main SubjectAltNameIP [::1]
reason: User specified action: run main/othervm SubjectAltNameIP [::1]
started: Sun Dec 14 21:22:53.422 CET 2025
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.base --add-exports 
java.base/sun.net.util=ALL-UNNAMED
Process id: 14723
finished: Sun Dec 14 21:22:59.728 CET 2025
elapsed time (seconds): 6.306
----------configuration:(4/101)----------
Boot Layer
  add modules: java.base
  add exports: java.base/sun.net.util ALL-UNNAMED

----------System.out:(0/0)----------
----------System.err:(26/1574)----------
java.lang.RuntimeException: Server failed to start.
at SubjectAltNameIP.doClientSide(SubjectAltNameIP.java:139)
at SubjectAltNameIP.<init>(SubjectAltNameIP.java:189)
at SubjectAltNameIP.main(SubjectAltNameIP.java:176)
at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1516)
**Caused by: java.net.SocketException: Protocol family unavailable**
at java.base/sun.nio.ch.Net.bind0(Native Method)
at java.base/sun.nio.ch.Net.bind(Net.java:525)
at java.base/sun.nio.ch.Net.bind(Net.java:514)
at java.base/sun.nio.ch.NioSocketImpl.bind(NioSocketImpl.java:641)
at java.base/java.net.ServerSocket.bind(ServerSocket.java:326)
at java.base/java.net.ServerSocket.<init>(ServerSocket.java:222)
at java.base/javax.net.ssl.SSLServerSocket.<init>(SSLServerSocket.java:155)
at 
java.base/sun.security.ssl.SSLServerSocketImpl.<init>(SSLServerSocketImpl.java:80)
at 
java.base/sun.security.ssl.SSLServerSocketFactoryImpl.createServerSocket(SSLServerSocketFactoryImpl.java:87)
at SubjectAltNameIP.doServerSide(SubjectAltNameIP.java:106)
at SubjectAltNameIP.lambda$startServer$0(SubjectAltNameIP.java:203)
... 1 more

-------------

PR Comment: https://git.openjdk.org/jdk/pull/28851#issuecomment-3704734885

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