--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/spi/SPIResolutionException.java	Sat May 21 22:32:08 2016 -0700
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2016, 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.spi;
+
+/**
+ * The construction and throw of this exception is embedded in code generated by
+ * the JShell core implementation in such a way that, upon executing a
+ * {@link jdk.jshell.Snippet.Status#RECOVERABLE_DEFINED RECOVERABLE_DEFINED}
+ * user method, this exception is thrown.
+ * <p>
+ * This exception is seen by the execution engine, but not seen by
+ * the end user nor through the JShell API.
+ *
+ * @see ExecutionEnv#createUnresolvedReferenceException(int,
+ * java.lang.StackTraceElement[])
+ */
+@SuppressWarnings("serial")             // serialVersionUID intentionally omitted
+public class SPIResolutionException extends RuntimeException {
+
+    private final int id;
+
+    /**
+     * Constructs an SPI layer exception indicating that a
+     * {@code DeclarationSnippet} with unresolved references has been
+     * encountered. The throw of this exception is generated into the body of a
+     * {@link jdk.jshell.Snippet.Status#RECOVERABLE_DEFINED RECOVERABLE_DEFINED}
+     * method.
+     *
+     * @param id An internal identifier of the specific method
+     */
+    public SPIResolutionException(int id) {
+        super("resolution exception");
+        this.id = id;
+    }
+
+    /**
+     * Retrieves the internal identifer of the unresolved identifer.
+     *
+     * @return the internal identifer
+     * @see ExecutionEnv#createUnresolvedReferenceException(int,
+     * java.lang.StackTraceElement[])
+     */
+    public int id() {
+        return id;
+    }
+}