--- a/test/jdk/java/net/httpclient/websocket/DummyWebSocketServer.java	Fri Apr 27 12:29:49 2018 +0100
+++ b/test/jdk/java/net/httpclient/websocket/DummyWebSocketServer.java	Fri Apr 27 15:23:33 2018 +0100
@@ -200,6 +200,7 @@
             thread.start();
         } catch (IOException e) {
             close(ssc);
+            throw e;
         }
         err.println("Started at: " + getURI());
     }