RFR: 8299827: Add resolved IP address in connection exception for sockets [v3]

[Alan Bateman]

On Mon, 16 Jan 2023 09:34:33 GMT, Ralf Schmelter <rschmelter at openjdk.org> wrote:

>> This change adds the resolved IP address to the exception text of a failed socket connection. This helps if the connection failed because of stale DNS entries.
>
> Ralf Schmelter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Further simplification

src/java.base/share/classes/sun/net/util/SocketExceptions.java line 30:

> 28: import java.io.IOException;
> 29: import java.lang.reflect.Constructor;
> 30: import java.net.InetAddress;

I assume this import doesn't need to be added now.

src/java.base/share/classes/sun/net/util/SocketExceptions.java line 80:

> 78: 
> 79:     private static IOException ofUnixDomain(IOException e, UnixDomainSocketAddress addr) {
> 80:         return create(e, String.join(": ", e.getMessage(), addr.toString()));

This is ofUnixDomain, did you mean to change this one? InetSocketAddress::toString specifies the string representation, UnixDomainSocketAddress does not.

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PR: https://git.openjdk.org/jdk/pull/11961