Jesse Pangburn created CXF-5367:
-----------------------------------
Summary: 2.7.7 schema validation incorrectly detects schema
include recursion
Key: CXF-5367
URL: https://issues.apache.org/jira/browse/CXF-5367
Project: CXF
Issue Type: Bug
Components: JAX-WS Runtime
Affects Versions: 2.7.7
Reporter: Jesse Pangburn
With 2.7.7 it does validate schemas when configured correctly but fails with
schemas that have circular references to each other (not illegal according to
W3C spec or their schema validator tool online). The schemas it's having
trouble with are from the HL7 standards body, which are used by hundreds of
companies. I tested the schema that it complains about using the W3C online
validator like this:
{quote}
http://www.w3.org/2001/03/webdata/xsv?docAddrs=http%3A%2F%2Fdl.dropboxusercontent.com%2Fu%2F13558558%2Fschematest%2Fschema%2FHL7V3%2FNE2008%2Fcoreschemas%2Fvoc.xsd&warnings=on&independent=on&style=xsl#
{quote}
It comes back and says (among many things):
{quote}
The schema(s) used for schema-validation had no errors
{quote}
I will attach two samples, one for 2.7.6 and one for 2.7.7. With 2.7.6, it
validates correctly. With 2.7.7 it complains about a recursive reference. The
problem it seems is that voc.xsd includes datatypes.xsd includes
datatypes-base.xsd includes voc.xsd. The schema validator gets around to the
recursive point and says:
{quote}
Attempt to load a schema document from
http://dl.dropboxusercontent.com/u/13558558/schematest/schema/HL7V3/NE2008/coreschemas/voc.xsd
(source: include) for no namespace, skipped, already loaded
{quote}
So the W3C validator sees the loop and knows its already been included so it
ignores the recursion beyond the first loop.
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