--- a/test/jdk/java/net/httpclient/http2/server/Http2TestServer.java	Tue Feb 27 15:34:23 2018 +0000
+++ b/test/jdk/java/net/httpclient/http2/server/Http2TestServer.java	Tue Feb 27 15:55:24 2018 +0000
@@ -238,6 +238,8 @@
                         if (c != null) {
                             removeConnection(addr, c);
                             c.close(ErrorFrame.PROTOCOL_ERROR);
+                        } else {
+                            socket.close();
                         }
                         System.err.println("TestServer: start exception: " + e);
                         //throw e;