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Aeronautical Information Exchange 5.1 - adjusted to support metadata by reference. DNOTAM Event and AIXMBasicMessage schemas included. The AIXM_AbstractGML_ObjectTypes.xsd needed to be adjusted to work around an existing bug (aixm:name AND gml:name as children of the same type). This resulted in the gml:id not set to use=required, so handle validation with good care.

Lets developers make their applications more resilient by adding robust transient fault handling logic. Transient faults are errors that occur because of some temporary condition such as network connectivity issues or service unavailability. Typically, if you retry the operation that resulted in a transient error a short time later, you find that the error has disappeared.