test/com/sun/jdi/NoLaunchOptionTest.java

*** 29,38 ****
--- 29,41 ----
   *
   *  @run compile -g NoLaunchOptionTest.java
   *  @build VMConnection
   *  @run main/othervm NoLaunchOptionTest
   */
+ 
+ import java.net.ServerSocket;
+ 
  public class NoLaunchOptionTest extends Object {
      private Process subprocess;
      private int subprocessStatus;
      private static final String CR = System.getProperty("line.separator");
      private static final int BUFFERSIZE = 4096;
*** 119,134 ****
  
          return result;
      }
  
      public static void main(String[] args) throws Exception {
          String javaExe = System.getProperty("java.home") +
              java.io.File.separator + "bin" +
              java.io.File.separator + "java";
          String targetClass = "NotAClass";
          String cmds [] = {javaExe,
!                           "-agentlib:jdwp=transport=dt_socket,address=8000," +
                            "onthrow=java.lang.ClassNotFoundException,suspend=n",
                            targetClass};
          NoLaunchOptionTest myTest = new NoLaunchOptionTest();
          String results [] = myTest.run(VMConnection.insertDebuggeeVMOptions(cmds));
          if ((results[RETSTAT].equals("1")) &&
--- 122,144 ----
  
          return result;
      }
  
      public static void main(String[] args) throws Exception {
+         // find a free port
+         ServerSocket ss = new ServerSocket(0);
+         int port = ss.getLocalPort();
+         ss.close();
+         String address = String.valueOf(port);
+ 
          String javaExe = System.getProperty("java.home") +
              java.io.File.separator + "bin" +
              java.io.File.separator + "java";
          String targetClass = "NotAClass";
          String cmds [] = {javaExe,
!                           "-agentlib:jdwp=transport=dt_socket,address=" + 
!                           address + "," +
                            "onthrow=java.lang.ClassNotFoundException,suspend=n",
                            targetClass};
          NoLaunchOptionTest myTest = new NoLaunchOptionTest();
          String results [] = myTest.run(VMConnection.insertDebuggeeVMOptions(cmds));
          if ((results[RETSTAT].equals("1")) &&