diff --git a/jdk/src/share/classes/java/dyn/InvokeDynamicBootstrapError.java b/jdk/src/share/classes/java/dyn/InvokeDynamicBootstrapError.java
index 83ebcd464b4..a301dfa42bc 100644
--- a/jdk/src/share/classes/java/dyn/InvokeDynamicBootstrapError.java
+++ b/jdk/src/share/classes/java/dyn/InvokeDynamicBootstrapError.java
@@ -39,8 +39,11 @@ package java.dyn;
  * {@link Linkage#registerBootstrapMethod registerBootstrapMethod}.
  *
  * @author John Rose, JSR 292 EG
+ * @since 1.7
  */
 public class InvokeDynamicBootstrapError extends LinkageError {
+    private static final long serialVersionUID = 292L;
+
     /**
      * Constructs an {@code InvokeDynamicBootstrapError} with no detail message.
      */
@@ -63,10 +66,9 @@ public class InvokeDynamicBootstrapError extends LinkageError {
      * detail message and cause.
      *
      * @param s the detail message.
-     * @param cause the cause.
+     * @param cause the cause, may be {@code null}.
      */
     public InvokeDynamicBootstrapError(String s, Throwable cause) {
-        super(s);
-        this.initCause(cause);
+        super(s, cause);
     }
 }
diff --git a/jdk/src/share/classes/java/dyn/LinkagePermission.java b/jdk/src/share/classes/java/dyn/LinkagePermission.java
index 4478d959853..6f6dc5004eb 100644
--- a/jdk/src/share/classes/java/dyn/LinkagePermission.java
+++ b/jdk/src/share/classes/java/dyn/LinkagePermission.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -81,6 +81,8 @@ import java.util.StringTokenizer;
  */
 
 public final class LinkagePermission extends BasicPermission {
+    private static final long serialVersionUID = 292L;
+
     /**
      * Create a new LinkagePermission with the given name.
      * The name is the symbolic name of the LinkagePermission, such as
diff --git a/jdk/src/share/classes/java/dyn/NoAccessException.java b/jdk/src/share/classes/java/dyn/NoAccessException.java
index 5e76f6a4aae..6b2fbcebcae 100644
--- a/jdk/src/share/classes/java/dyn/NoAccessException.java
+++ b/jdk/src/share/classes/java/dyn/NoAccessException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,8 +35,11 @@ package java.dyn;
  * on behalf of the method handle creator,
  * at the time of creation.
  * @author John Rose, JSR 292 EG
+ * @since 1.7
  */
 public class NoAccessException extends RuntimeException {
+    private static final long serialVersionUID = 292L;
+
     /**
      * Constructs a {@code NoAccessException} with no detail message.
      */
diff --git a/jdk/src/share/classes/java/dyn/WrongMethodTypeException.java b/jdk/src/share/classes/java/dyn/WrongMethodTypeException.java
index 36e687c8d3d..4c4c99817ff 100644
--- a/jdk/src/share/classes/java/dyn/WrongMethodTypeException.java
+++ b/jdk/src/share/classes/java/dyn/WrongMethodTypeException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -38,8 +38,11 @@ package java.dyn;
  * instead of when the mismatched method handle is called.
  *
  * @author John Rose, JSR 292 EG
+ * @since 1.7
  */
 public class WrongMethodTypeException extends RuntimeException {
+    private static final long serialVersionUID = 292L;
+
     /**
      * Constructs a {@code WrongMethodTypeException} with no detail message.
      */
diff --git a/jdk/src/share/classes/java/lang/LinkageError.java b/jdk/src/share/classes/java/lang/LinkageError.java
index 0954a178343..6b5f060f0e7 100644
--- a/jdk/src/share/classes/java/lang/LinkageError.java
+++ b/jdk/src/share/classes/java/lang/LinkageError.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,7 +26,7 @@
 package java.lang;
 
 /**
- * Subclasses of <code>LinkageError</code> indicate that a class has
+ * Subclasses of {@code LinkageError} indicate that a class has
  * some dependency on another class; however, the latter class has
  * incompatibly changed after the compilation of the former class.
  *
@@ -39,14 +39,14 @@ class LinkageError extends Error {
     private static final long serialVersionUID = 3579600108157160122L;
 
     /**
-     * Constructs a <code>LinkageError</code> with no detail message.
+     * Constructs a {@code LinkageError} with no detail message.
      */
     public LinkageError() {
         super();
     }
 
     /**
-     * Constructs a <code>LinkageError</code> with the specified detail
+     * Constructs a {@code LinkageError} with the specified detail
      * message.
      *
      * @param   s   the detail message.
@@ -54,4 +54,16 @@ class LinkageError extends Error {
     public LinkageError(String s) {
         super(s);
     }
+
+    /**
+     * Constructs a {@code LinkageError} with the specified detail
+     * message and cause.
+     *
+     * @param s     the detail message.
+     * @param cause the cause, may be {@code null}
+     * @since 1.7
+     */
+    public LinkageError(String s, Throwable cause) {
+        super(s, cause);
+    }
 }