Created attachment 1119075 [details] Screen shot of this issue. Description of problem: Create "jboss-app.xml" from attachment of article "https://access.redhat.com/solutions/268733" in JBDS 8.0.0, error shows: ~~~ No grammar constraints (DTD or XML Schema) referenced in the document. ~~~ See attachment. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: No grammar constraints (DTD or XML Schema) referenced in the document. Expected results: No errors. Additional info: Please let us know if it is a bug, if not, could you please let us know the right way to validate or correct SAMPLE?