Index: src/gate/wordnet/WordNetException.java
===================================================================
--- src/gate/wordnet/WordNetException.java	(revision 7462)
+++ src/gate/wordnet/WordNetException.java	(working copy)
@@ -20,8 +20,11 @@
   }
 
   public WordNetException(Throwable e) {
-    super(e.toString());
-    this.e = e;
+    super(e);
   }
 
-}
\ No newline at end of file
+  public WordNetException(String s, Throwable t) {
+    super(s, t);
+  }
+
+}
Index: src/gate/creole/ExecutionException.java
===================================================================
--- src/gate/creole/ExecutionException.java	(revision 7462)
+++ src/gate/creole/ExecutionException.java	(working copy)
@@ -34,36 +34,11 @@
     super(s);
   }
 
-  public ExecutionException(Exception e) {
-    this.exception = e;
+  public ExecutionException(Throwable e) {
+    super(e);
   }
 
-  /**
-   * Overriden so we can print the enclosed exception's stacktrace too.
-   */
-  public void printStackTrace(){
-    printStackTrace(System.err);
+  public ExecutionException(String message, Throwable e) {
+    super(message, e);
   }
-
-  /**
-   * Overriden so we can print the enclosed exception's stacktrace too.
-   */
-  public void printStackTrace(java.io.PrintStream s) {
-    s.flush();
-    super.printStackTrace(s);
-    s.print("  Caused by:\n");
-    if(exception != null) exception.printStackTrace(s);
-  }
-
-  /**
-   * Overriden so we can print the enclosed exception's stacktrace too.
-   */
-  public void printStackTrace(java.io.PrintWriter s) {
-    s.flush();
-    super.printStackTrace(s);
-    s.print("  Caused by:\n");
-    if(exception != null) exception.printStackTrace(s);
-  }
-
-  Exception exception;
 } // ExecutionException
Index: src/gate/util/GateException.java
===================================================================
--- src/gate/util/GateException.java	(revision 7462)
+++ src/gate/util/GateException.java	(working copy)
@@ -29,8 +29,6 @@
   /** Debug flag */
   private static final boolean DEBUG = false;
 
-  protected Throwable e;
-
   public GateException() {
     super();
   }
@@ -40,45 +38,12 @@
   }
 
   public GateException(Throwable e) {
-    super(e.toString());
-    this.e = e;
+    super(e);
   }
 
   public GateException(String message, Throwable e) {
-    super(message);
-    this.e = e;
+    super(message, e);
   }
   
   
-  /**
-   * Overridden so we can print the enclosed exception's stack trace too.
-   */
-  public void printStackTrace(){
-    printStackTrace(System.err);
-  }
-
-  /**
-   * Overridden so we can print the enclosed exception's stack trace too.
-   */
-  public void printStackTrace(PrintStream s) {
-    s.flush();
-    super.printStackTrace(s);
-    if(e != null){
-      s.print("  Caused by:\n");
-      e.printStackTrace(s);
-    }
-  }
-
-  /**
-   * Overridden so we can print the enclosed exception's stack trace too.
-   */
-  public void printStackTrace(PrintWriter s) {
-    s.flush();
-    super.printStackTrace(s);
-    if(e != null){
-      s.print("  Caused by:\n");
-      e.printStackTrace(s);
-    }
-  }
-
 } // GateException