DocumentAlreadyExistsException.java
Thrown when an attempt is made to add a document to a collection that has the
same name as one that already exists in the collection.
IndexAlreadyExistsException.java
Thrown when an attempt is made to add an index to a collection when one with the
same name already exists in that collection.
InvalidCollectionDocumentException.java
Thrown when an XML document in a SixdmlCollection fails to be validate against
a given schema that is being applied to the collection.