--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/javax/xml/xpath/XPathException.java	Thu Apr 12 08:38:26 2012 -0700
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2003, 2005, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.xml.xpath;
+
+import java.io.PrintWriter;
+
+/**
+ * <code>XPathException</code> represents a generic XPath exception.</p>
+ *
+ * @author  <a href="Norman.Walsh@Sun.com">Norman Walsh</a>
+ * @author <a href="mailto:Jeff.Suttor@Sun.COM">Jeff Suttor</a>
+ * @since 1.5
+ */
+public class XPathException extends Exception {
+
+    private final Throwable cause;
+
+    /**
+     * <p>Stream Unique Identifier.</p>
+     */
+    private static final long serialVersionUID = -1837080260374986980L;
+
+    /**
+     * <p>Constructs a new <code>XPathException</code>
+     * with the specified detail <code>message</code>.</p>
+     *
+     * <p>The <code>cause</code> is not initialized.</p>
+     *
+     * <p>If <code>message</code> is <code>null</code>,
+     * then a <code>NullPointerException</code> is thrown.</p>
+     *
+     * @param message The detail message.
+     *
+     * @throws NullPointerException When <code>message</code> is
+     *   <code>null</code>.
+     */
+    public XPathException(String message) {
+        super(message);
+        if ( message == null ) {
+            throw new NullPointerException ( "message can't be null");
+        }
+        this.cause = null;
+    }
+
+    /**
+     * <p>Constructs a new <code>XPathException</code>
+     * with the specified <code>cause</code>.</p>
+     *
+     * <p>If <code>cause</code> is <code>null</code>,
+     * then a <code>NullPointerException</code> is thrown.</p>
+     *
+     * @param cause The cause.
+     *
+     * @throws NullPointerException if <code>cause</code> is <code>null</code>.
+     */
+    public XPathException(Throwable cause) {
+        super();
+        this.cause = cause;
+        if ( cause == null ) {
+            throw new NullPointerException ( "cause can't be null");
+        }
+    }
+
+    /**
+     * <p>Get the cause of this XPathException.</p>
+     *
+     * @return Cause of this XPathException.
+     */
+    public Throwable getCause() {
+        return cause;
+    }
+
+    /**
+     * <p>Print stack trace to specified <code>PrintStream</code>.</p>
+     *
+     * @param s Print stack trace to this <code>PrintStream</code>.
+     */
+    public void printStackTrace(java.io.PrintStream s) {
+        if (getCause() != null) {
+            getCause().printStackTrace(s);
+          s.println("--------------- linked to ------------------");
+        }
+
+        super.printStackTrace(s);
+    }
+
+    /**
+     * <p>Print stack trace to <code>System.err</code>.</p>
+     */
+    public void printStackTrace() {
+        printStackTrace(System.err);
+    }
+
+    /**
+     * <p>Print stack trace to specified <code>PrintWriter</code>.</p>
+     *
+     * @param s Print stack trace to this <code>PrintWriter</code>.
+     */
+    public void printStackTrace(PrintWriter s) {
+
+        if (getCause() != null) {
+            getCause().printStackTrace(s);
+          s.println("--------------- linked to ------------------");
+        }
+
+        super.printStackTrace(s);
+    }
+}