--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/ProbeException.java	Wed Jun 17 10:58:08 2015 +0200
@@ -0,0 +1,52 @@
+/*
+ * 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 com.oracle.truffle.api.instrument;
+
+import com.oracle.truffle.api.instrument.ProbeFailure.Reason;
+import com.oracle.truffle.api.nodes.*;
+
+/**
+ * An exception thrown when {@link Node#probe()} fails because of an implementation failure.
+ * <p>
+ * Language and tool implementations should ensure that clients of tools never see this exception.
+ */
+public class ProbeException extends RuntimeException {
+    static final long serialVersionUID = 1L;
+    private final ProbeFailure failure;
+
+    public ProbeException(Reason reason, Node parent, Node child, Object wrapper) {
+        this.failure = new ProbeFailure(reason, parent, child, wrapper);
+    }
+
+    public ProbeFailure getFailure() {
+        return failure;
+    }
+
+    @Override
+    public String toString() {
+        return failure.getMessage();
+    }
+
+}