[DDI-users] Unable to validate XML against the DDI 2.5 schema

[UniData - Bicocca Data Archive]

Dear DDI users,

since we started working again after the summer break (this week) we can no longer validate the DDI 2.5 XML files produced through our archival system. We thought it was a problem with our DDI files, but the same error occurs  trying to validate the example file on the DDI Alliance website (https://www.icpsr.umich.edu/icpsrweb/ICPSR/ddi25/studies/4245). The error is as follows:

schema_reference.4: Failed to read schema document 'http://www.ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.

Notepad++ and xmlvalidation.com were used for validation.

Do any of you have the same problem?

Best regards,
Domingo Scisci

-- 

Domingo Scisci (PhD)

Centro Interdipartimentale UniData
Università degli Studi di Milano-Bicocca
Via Bicocca degli Arcimboldi 8
20126 - Milano
Phone: (+39) 02 6448 7513
Web: www.unidata.unimib.it [http://www.unidata.unimib.it/]

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