--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/UnresolvedReferenceException.java	Mon Oct 19 19:15:16 2015 +0200
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2015, 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 jdk.jshell;
+
+/**
+ * Exception reported on attempting to execute a
+ * {@link jdk.jshell.Snippet.Status#RECOVERABLE_DEFINED RECOVERABLE_DEFINED}
+ * method.
+ * <p>
+ * The stack can be queried by methods on <code>Exception</code>.
+ * Note that in stack trace frames representing JShell Snippets,
+ * <code>StackTraceElement.getFileName()</code> will return "#" followed by
+ * the Snippet id and for snippets without a method name (for example an
+ * expression) <code>StackTraceElement.getMethodName()</code> will be the
+ * empty string.
+ */
+@SuppressWarnings("serial")             // serialVersionUID intentionally omitted
+public class UnresolvedReferenceException extends Exception {
+
+    final MethodSnippet methodSnippet;
+
+    UnresolvedReferenceException(MethodSnippet methodSnippet, StackTraceElement[] stackElements) {
+        super("Attempt to invoke method with unresolved references");
+        this.methodSnippet = methodSnippet;
+        this.setStackTrace(stackElements);
+    }
+
+    /**
+     * Return the method Snippet which has the unresolved reference(s).
+     * @return the <code>MethodSnippet</code> of the
+     * {@link jdk.jshell.Snippet.Status#RECOVERABLE_DEFINED RECOVERABLE_DEFINED}
+     * method.
+     */
+    public MethodSnippet getMethodSnippet() {
+        return methodSnippet;
+    }
+}