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diff --git a/src/main/java/org/apache/commons/math/optimization/OptimizationException.java b/src/main/java/org/apache/commons/math/optimization/OptimizationException.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.math.optimization;
+
+import org.apache.commons.math.ConvergenceException;
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+
+/**
+ * This class represents exceptions thrown by optimizers.
+ *
+ * @version $Revision: 1044015 $ $Date: 2010-12-09 17:06:26 +0100 (jeu. 09 déc. 2010) $
+ * @since 1.2
+ * @deprecated in 2.2 (to be removed in 3.0).
+ */
+
+public class OptimizationException extends ConvergenceException {
+
+    /** Serializable version identifier. */
+    private static final long serialVersionUID = -4605887730798282127L;
+
+    /**
+     * Simple constructor.
+     * Build an exception by translating and formating a message
+     * @param specifier format specifier (to be translated)
+     * @param parts to insert in the format (no translation)
+     * @deprecated as of 2.2 replaced by {@link #OptimizationException(Localizable, Object...)}
+     */
+    @Deprecated
+    public OptimizationException(String specifier, Object ... parts) {
+        this(new DummyLocalizable(specifier), parts);
+    }
+
+    /**
+     * Simple constructor.
+     * Build an exception by translating and formating a message
+     * @param specifier format specifier (to be translated)
+     * @param parts to insert in the format (no translation)
+     * @since 2.2
+     */
+    public OptimizationException(Localizable specifier, Object ... parts) {
+        super(specifier, parts);
+    }
+
+    /**
+     * Create an exception with a given root cause.
+     * @param cause  the exception or error that caused this exception to be thrown
+     */
+    public OptimizationException(Throwable cause) {
+        super(cause);
+    }
+
+}