2 files changed, 6 insertions, 4 deletions
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java
index d3cdf5e95..95bec26fa 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestSharedContextNewtAWTBug523.java
@@ -72,6 +72,7 @@ import org.junit.Test;
 import org.junit.FixMethodOrder;
 import org.junit.runners.MethodSorters;
 
+import com.jogamp.common.ExceptionUtils;
 import com.jogamp.common.nio.Buffers;
 import com.jogamp.newt.awt.NewtCanvasAWT;
 import com.jogamp.newt.opengl.GLWindow;
@@ -476,7 +477,7 @@ public class TestSharedContextNewtAWTBug523 extends UITestCase {
             final String errStr = "GL-Error: "+prefix + " on obj 0x"+Integer.toHexString(obj.hashCode())+", OpenGL error: 0x" + Integer.toHexString(glError);
             if( errorSet.add(errStr) ) {
                 System.err.println(errStr);
-                Thread.dumpStack();
+                ExceptionUtils.dumpStack(System.err);
             }
         }
         final int status = gl.glCheckFramebufferStatus(GL.GL_FRAMEBUFFER);
@@ -484,7 +485,7 @@ public class TestSharedContextNewtAWTBug523 extends UITestCase {
             final String errStr = "GL-Error: "+prefix + " on obj 0x"+Integer.toHexString(obj.hashCode())+", glCheckFramebufferStatus: 0x" + Integer.toHexString(status);
             if( errorSet.add(errStr) ) {
                 System.err.println(errStr);
-                Thread.dumpStack();
+                ExceptionUtils.dumpStack(System.err);
             }
         }
     }
diff --git a/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java b/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java
index 31d6b887d..c6ceab34e 100644
--- a/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java
+++ b/src/test/com/jogamp/opengl/test/junit/util/AWTRobotUtil.java
@@ -46,6 +46,7 @@ import javax.media.opengl.GLDrawable;
 
 import org.junit.Assert;
 
+import com.jogamp.common.ExceptionUtils;
 import com.jogamp.common.util.awt.AWTEDTExecutor;
 import com.jogamp.newt.event.WindowEvent;
 
@@ -229,7 +230,7 @@ public class AWTRobotUtil {
             System.err.println("*** AWTRobotUtil.toFrontAndRequestFocus() UI failure");
             System.err.println("*** window: "+window);
             System.err.println("*** window.hasFocus(): "+window.hasFocus());
-            Thread.dumpStack();
+            ExceptionUtils.dumpStack(System.err);
         }
         return success;
     }
@@ -442,7 +443,7 @@ public class AWTRobotUtil {
             }
             System.err.println("*** gain: "+gain);
             System.err.println("*** lost: "+lost);
-            Thread.dumpStack();
+            ExceptionUtils.dumpStack(System.err);
         }
         Assert.assertTrue("Did not gain focus", hasFocus);
     }