hg: jdk/sandbox: 8204233: Add configurable option for enhanced socket IOException messages

[chris.hegarty at oracle.com]

Changeset: bc104aaf24e9
Author:    michaelm
Date:      2018-06-22 18:10 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/bc104aaf24e9

8204233: Add configurable option for enhanced socket IOException messages
Reviewed-by: alanb, chegar

! src/java.base/share/classes/java/net/AbstractPlainSocketImpl.java
+ src/java.base/share/classes/sun/net/util/SocketExceptions.java
! src/java.base/share/classes/sun/nio/ch/SocketChannelImpl.java
! src/java.base/share/conf/security/java.security
! src/java.base/unix/classes/sun/nio/ch/UnixAsynchronousSocketChannelImpl.java
! src/java.base/windows/classes/sun/nio/ch/WindowsAsynchronousSocketChannelImpl.java
+ test/jdk/java/net/Socket/ExceptionText.java