1 files changed, 31 insertions, 9 deletions
diff --git a/libjava/java/rmi/activation/UnknownObjectException.java b/libjava/java/rmi/activation/UnknownObjectException.java
index 8dfdd216c71..81e3871ad9f 100644
--- a/libjava/java/rmi/activation/UnknownObjectException.java
+++ b/libjava/java/rmi/activation/UnknownObjectException.java
@@ -1,5 +1,5 @@
-/*
-  Copyright (c) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+/* UnknownObjectException.java -- thrown on an invalid ActivationID
+   Copyright (c) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -7,7 +7,7 @@ GNU Classpath is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.
- 
+
 GNU Classpath is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ -37,11 +37,33 @@ exception statement from your version. */
 
 package java.rmi.activation;
 
-public class UnknownObjectException
-	extends ActivationException {
-
-public UnknownObjectException(String s) {
-	super(s);
-}
+/**
+ * Thrown when an <code>ActivationID</code> parameter is invalid or unknown.
+ *
+ * @author unknown
+ * @see Activatable
+ * @see ActivationGroup
+ * @see ActivationID
+ * @see ActivationMonitor
+ * @see ActivationSystem
+ * @see Activator
+ * @since 1.2
+ * @status updated to 1.4
+ */
+public class UnknownObjectException extends ActivationException
+{
+  /**
+   * Compatible with JDK 1.2+.
+   */
+  private static final long serialVersionUID = 3425547551622251430L;
 
+  /**
+   * Create an exception with an error message.
+   *
+   * @param s the message
+   */
+  public UnknownObjectException(String s)
+  {
+    super(s);
+  }
 }