--- a/src/java.base/share/classes/java/lang/reflect/InvocationTargetException.java	Tue Sep 18 13:24:25 2018 +0800
+++ b/src/java.base/share/classes/java/lang/reflect/InvocationTargetException.java	Mon Sep 17 22:56:31 2018 -0700
@@ -25,12 +25,6 @@
 
 package java.lang.reflect;
 
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.io.ObjectStreamField;
-import jdk.internal.misc.SharedSecrets;
-
 /**
  * InvocationTargetException is a checked exception that wraps
  * an exception thrown by an invoked method or constructor.
@@ -52,6 +46,16 @@
      */
     private static final long serialVersionUID = 4085088731926701167L;
 
+     /**
+     * This field holds the target if the
+     * InvocationTargetException(Throwable target) constructor was
+     * used to instantiate the object
+     *
+     * @serial
+     *
+     */
+    private Throwable target;
+
     /**
      * Constructs an {@code InvocationTargetException} with
      * {@code null} as the target exception.
@@ -66,7 +70,8 @@
      * @param target the target exception
      */
     public InvocationTargetException(Throwable target) {
-        super(null, target);  // Disallow initCause
+        super((Throwable)null);  // Disallow initCause
+        this.target = target;
     }
 
     /**
@@ -77,7 +82,8 @@
      * @param s      the detail message
      */
     public InvocationTargetException(Throwable target, String s) {
-        super(s, target);  // Disallow initCause
+        super(s, null);  // Disallow initCause
+        this.target = target;
     }
 
     /**
@@ -90,42 +96,17 @@
      * @return the thrown target exception (cause of this exception).
      */
     public Throwable getTargetException() {
-        return super.getCause();
+        return target;
     }
 
     /**
-     * Serializable fields for UndeclaredThrowableException.
+     * Returns the cause of this exception (the thrown target exception,
+     * which may be {@code null}).
      *
-     * @serialField target Throwable
-     */
-    private static final ObjectStreamField[] serialPersistentFields = {
-        new ObjectStreamField("target", Throwable.class)
-    };
-
-    /*
-     * Reconstitutes the InvocationTargetException instance from a stream
-     * and initialize the cause properly when deserializing from an older
-     * version.
-     *
-     * The getException and getCause method returns the private "target" field
-     * in the older implementation and InvocationTargetException::cause
-     * was set to null.
+     * @return  the cause of this exception.
+     * @since   1.4
      */
-    private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException {
-        ObjectInputStream.GetField fields = s.readFields();
-        Throwable exception = (Throwable) fields.get("target", null);
-        if (exception != null) {
-            SharedSecrets.getJavaLangAccess().setCause(this, exception);
-        }
-    }
-
-    /*
-     * To maintain compatibility with older implementation, write a serial
-     * "target" field with the cause as the value.
-     */
-    private void writeObject(ObjectOutputStream out) throws IOException {
-        ObjectOutputStream.PutField fields = out.putFields();
-        fields.put("target", super.getCause());
-        out.writeFields();
+    public Throwable getCause() {
+        return target;
     }
 }