PortUnreachableException should be ECONNREFUSED.

headius · headius · commit 99b7edc4624f · 2017-12-12T14:50:03.000-06:00
See socketry/nio4r#175.
diff --git a/core/src/main/java/org/jruby/Ruby.java b/core/src/main/java/org/jruby/Ruby.java
@@ -172,6 +172,7 @@
 import java.lang.invoke.MethodHandle;
 import java.lang.ref.WeakReference;
 import java.net.BindException;
+import java.net.PortUnreachableException;
 import java.nio.channels.ClosedChannelException;
 import java.nio.charset.Charset;
 import java.security.SecureRandom;
@@ -4080,6 +4081,8 @@ public RaiseException newIOErrorFromException(final IOException ex) {
                     }
             }
             return newRaiseException(getIOError(), errorMessage);
+        } else if (ex instanceof PortUnreachableException) {
+            throw newErrnoECONNREFUSEDError();
         }
         return newRaiseException(getIOError(), "IO Error");
     }

Original file line number	Diff line number	Diff line change
`@@ -172,6 +172,7 @@`
`172`	`172`	`import java.lang.invoke.MethodHandle;`
`173`	`173`	`import java.lang.ref.WeakReference;`
`174`	`174`	`import java.net.BindException;`
	`175`	`+import java.net.PortUnreachableException;`
`175`	`176`	`import java.nio.channels.ClosedChannelException;`
`176`	`177`	`import java.nio.charset.Charset;`
`177`	`178`	`import java.security.SecureRandom;`
`@@ -4080,6 +4081,8 @@ public RaiseException newIOErrorFromException(final IOException ex) {`
`4080`	`4081`	`}`
`4081`	`4082`	`}`
`4082`	`4083`	`return newRaiseException(getIOError(), errorMessage);`
	`4084`	`+ } else if (ex instanceof PortUnreachableException) {`
	`4085`	`+ throw newErrnoECONNREFUSEDError();`
`4083`	`4086`	`}`
`4084`	`4087`	`return newRaiseException(getIOError(), "IO Error");`
`4085`	`4088`	`}`