--- old/src/jdk.jshell/share/classes/jdk/jshell/JShell.java 2016-08-19 22:19:39.378017593 -0700 +++ new/src/jdk.jshell/share/classes/jdk/jshell/JShell.java 2016-08-19 22:19:39.267014838 -0700 @@ -120,6 +120,7 @@ this.executionControlGenerator = b.executionControlGenerator==null ? failOverExecutionControlGenerator( JDIDefaultExecutionControl.launch(), + JDIDefaultExecutionControl.listenLocalhost(), JDIDefaultExecutionControl.listen()) : b.executionControlGenerator;