test/demo/jvmti/mtrace/JFrameCreateTime.java

@@ -30,14 +30,34 @@
 
 /* Early in 1.5 it was reported that doing a step into the first JFrame
  *   was very slow (VisualMust debugger people reported this).
  */
 
-import javax.swing.*;
+import java.awt.GraphicsEnvironment;
+import javax.swing.JFrame;
 
 public class JFrameCreateTime {
     public static void main(String[] args) {
+        boolean isHeadless = true;
+        try {
+            //AWT has a problem on Mac OS with defined DISPLAY variable.
+            //For the case the X11 toolkit is been loading in ssh test session, 
+            //but Mac OS implementation of X11 toolkit has a deadlock/linkage problem.
+            //In JDK8 the X11 toolkit support is obsolete and problem would 
+            //be resolved by AWT team.
+            isHeadless = (
+                System.getProperty("os.name").contains("OS X")
+                && System.getenv("DISPLAY") != null
+            ) || GraphicsEnvironment.getLocalGraphicsEnvironment().isHeadlessInstance();
+        } catch (Throwable e) {
+            System.out.println("Test has a problem with AWT initialization in the headless mode: " 
+                    + e);
+        }
+        
+        if (isHeadless) {
+            System.out.println("JFrame test was skipped due to headless mode");            
+        } else {    
         JFrame f;
         long start, end;
 
         start = System.currentTimeMillis();
         f = new JFrame("JFrame");

@@ -46,10 +66,10 @@
         System.out.println("JFrame first creation took " + (end - start) + " ms");
 
         start = System.currentTimeMillis();
         f = new JFrame("JFrame");
         end = System.currentTimeMillis();
-
         System.out.println("JFrame second creation took " + (end - start) + " ms");
+        }
         System.exit(0);
     }
 }