The fault sequence

The fault sequence is used for exception handling when we haven't configured a custom fault sequence. This sequence logs the error code and the current payload, and then the message is dropped:

<?xml version="1.0" encoding="UTF-8"?>
<sequence name="fault" xmlns="http://ws.apache.org/ns/synapse">
    <!-- Log the message at the full log level with 
                                the ERROR_MESSAGE and the ERROR_CODE-->
    <log level="full">
        <property name="MESSAGE" 
                            value="Executing default 'fault' sequence"/>
        <property name="ERROR_CODE"
                            expression="get-property('ERROR_CODE')"/>
        <property name="ERROR_MESSAGE" 
                            expression="get-property('ERROR_MESSAGE')"/>
    </log>
    <!-- Drops the messages by default if there is a fault -->
    <drop/>
</sequence>