Web Resource for Java Programmers: SOAP Fault Element

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The SOAP Fault Element

The optional SOAP Fault element is used to hold error and status information for a SOAP message.

An error message from a SOAP message is carried inside a Fault element.

If a Fault element is present, it must appear as a child element of the Body element. A Fault element can only appear once in a SOAP message.

The SOAP Fault element has the following sub elements:

Sub Element	Description
	A code for identifying the fault
	A human readable explanation of the fault
	Information about who caused the fault to happen
	Holds application specific error information related to the Body element

SOAP Fault Codes

The faultcode values defined below must be used in the faultcode element when describing faults:

Error	Description
VersionMismatch	Found an invalid namespace for the SOAP Envelope element
MustUnderstand	An immediate child element of the Header element, with the mustUnderstand attribute set to "1", was not understood
Client	The message was incorrectly formed or contained incorrect information
Server	There was a problem with the server so the message could not proceed