diff --git a/debugger.jpda.projects/src/org/netbeans/modules/debugger/jpda/projects/ToolTipAnnotation.java b/debugger.jpda.projects/src/org/netbeans/modules/debugger/jpda/projects/ToolTipAnnotation.java
--- a/debugger.jpda.projects/src/org/netbeans/modules/debugger/jpda/projects/ToolTipAnnotation.java
+++ b/debugger.jpda.projects/src/org/netbeans/modules/debugger/jpda/projects/ToolTipAnnotation.java
@@ -41,9 +41,8 @@
 
 package org.netbeans.modules.debugger.jpda.projects;
 
-import com.sun.source.tree.Tree;
-import com.sun.source.tree.Tree.Kind;
 import com.sun.source.util.TreePath;
+import java.awt.Color;
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
@@ -51,7 +50,12 @@
 import java.util.List;
 import java.util.Set;
 import javax.lang.model.element.ElementKind;
+import javax.swing.BoxLayout;
 import javax.swing.JEditorPane;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextArea;
+import javax.swing.border.LineBorder;
 import javax.swing.text.BadLocationException;
 import javax.swing.text.Document;
 import javax.swing.text.Element;
@@ -75,6 +79,7 @@
 import org.netbeans.api.debugger.jpda.Variable;
 import org.netbeans.api.java.source.CompilationController;
 import org.netbeans.api.java.source.JavaSource.Phase;
+import org.netbeans.editor.Utilities;
 import org.netbeans.modules.parsing.api.ParserManager;
 import org.netbeans.modules.parsing.api.ResultIterator;
 import org.netbeans.modules.parsing.api.Source;
@@ -133,8 +138,9 @@
             // Debugger is likely finishing...
             rp = RequestProcessor.getDefault();
         }
+
         rp.post (this);
-        return null;
+        return "";
     }
 
     public void run () {
@@ -230,7 +236,16 @@
                 toolTipText = expression + " = >" + e.getMessage () + "<";
             }
         }
-        firePropertyChange (PROP_SHORT_DESCRIPTION, null, toolTipText);
+
+        JPanel panel = new JPanel();
+        panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
+        panel.setBorder(new LineBorder(Color.black, 1));
+        panel.add(new JLabel("And the tooltip is..."));
+        panel.add(new JTextArea(toolTipText));
+
+        Utilities.getEditorUI(ep).getToolTipSupport().setToolTip(panel);
+
+        //firePropertyChange (PROP_SHORT_DESCRIPTION, null, toolTipText);
     }
 
     public String getAnnotationType () {