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diff --git a/src/lib/log/message_exception.h b/src/lib/log/message_exception.h
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+// Copyright (C) 2011-2017 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef MESSAGE_EXCEPTION_H
+#define MESSAGE_EXCEPTION_H
+
+#include <exceptions/exceptions.h>
+#include <log/message_types.h>
+
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+#include <boost/lexical_cast.hpp>
+
+namespace isc {
+namespace log {
+
+/// \brief Message Exception
+///
+/// Used in the message reader, this simple exception class allows a message
+/// code and its arguments to be encapsulated in an exception and thrown
+/// up the stack.
+
+class MessageException : public isc::Exception {
+public:
+
+    /// \brief Constructor
+    ///
+    /// \param file Filename where the exception occurred.
+    /// \param line Line where exception occurred.
+    /// \param what Text description of the problem.
+    /// \param id Message identification.
+    /// \param lineno Line number on which error occurred (if > 0).
+    MessageException(const char* file, size_t line, const char* what,
+                     MessageID id, int lineno)
+        : isc::Exception(file, line, what), id_(id), lineno_(lineno)
+    {
+        if (lineno_ > 0) {
+            args_.push_back(boost::lexical_cast<std::string>(lineno));
+        }
+    }
+
+    /// \brief Constructor
+    ///
+    /// \param file Filename where the exception occurred.
+    /// \param line Line where exception occurred.
+    /// \param what Text description of the problem.
+    /// \param id Message identification.
+    /// \param arg1 First message argument.
+    /// \param lineno Line number on which error occurred (if > 0).
+    MessageException(const char* file, size_t line, const char* what,
+                     MessageID id, const std::string& arg1, int lineno)
+        : isc::Exception(file, line, what), id_(id), lineno_(lineno)
+    {
+        if (lineno > 0) {
+            args_.push_back(boost::lexical_cast<std::string>(lineno));
+        }
+        args_.push_back(arg1);
+    }
+
+    /// \brief Constructor
+    ///
+    /// \param file Filename where the exception occurred.
+    /// \param line Line where exception occurred.
+    /// \param what Text description of the problem.
+    /// \param id Message identification.
+    /// \param arg1 First message argument.
+    /// \param arg2 Second message argument.
+    /// \param lineno Line number on which error occurred (if > 0).
+    MessageException(const char* file, size_t line, const char *what,
+                     MessageID id, const std::string& arg1,
+                     const std::string& arg2, int lineno)
+        : isc::Exception(file, line, what), id_(id), lineno_(lineno)
+    {
+        if (lineno > 0) {
+            args_.push_back(boost::lexical_cast<std::string>(lineno));
+        }
+        args_.push_back(arg1);
+        args_.push_back(arg2);
+    }
+
+    /// \brief Destructor
+    ~MessageException() {}
+
+    /// \brief Return Message ID
+    ///
+    /// \return Message identification
+    MessageID id() const {
+        return id_;
+    }
+
+    /// \brief Return Arguments
+    ///
+    /// \return Exception Arguments
+    std::vector<std::string> arguments() const {
+        return (args_);
+    }
+
+private:
+    MessageID                   id_;        // Exception ID
+    std::vector<std::string>    args_;      // Exception arguments
+    int lineno_;
+};
+
+} // namespace log
+} // namespace isc
+
+#endif // MESSAGE_EXCEPTION_H