Hi,

when reading data with UUID URNs from InputStreams in Jena 4 I get the
error "Bad IRI: Not a valid UUID string". For example, when I run the
following:

Model model = ModelFactory.createDefaultModel();
String data = "<urn:uuid:4f115b8c-5300-4e4d-84f4-1a7593e5fd57> <
http://ex.org/a> <http://ex.org/b> .";
try (ByteArrayInputStream in = new
ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8))) {
    RDFDataMgr.read(model, in, Lang.NTRIPLES);
}

I get the following error:

org.apache.jena.riot.RiotException: [line: 1, col: 1 ] Bad IRI: Not a valid
UUID string: urn:uuid:4f115b8c-5300-4e4d-84f4-1a7593e5fd57
at
org.apache.jena.riot.system.ErrorHandlerFactory$ErrorHandlerStd.error(ErrorHandlerFactory.java:146)
at
org.apache.jena.riot.system.ParserProfileStd.internalMakeIRI(ParserProfileStd.java:112)
at
org.apache.jena.riot.system.ParserProfileStd.resolveIRI(ParserProfileStd.java:85)
at
org.apache.jena.riot.system.ParserProfileStd.createURI(ParserProfileStd.java:187)
at
org.apache.jena.riot.system.ParserProfileStd.create(ParserProfileStd.java:259)
at org.apache.jena.riot.lang.LangNTriples.tokenAsNode(LangNTriples.java:70)
at org.apache.jena.riot.lang.LangNTuple.parseTriple(LangNTuple.java:92)
at org.apache.jena.riot.lang.LangNTriples.parseOne(LangNTriples.java:61)
at org.apache.jena.riot.lang.LangNTriples.runParser(LangNTriples.java:53)
at org.apache.jena.riot.lang.LangBase.parse(LangBase.java:43)
at
org.apache.jena.riot.RDFParserRegistry$ReaderRIOTLang.read(RDFParserRegistry.java:184)
at org.apache.jena.riot.RDFParser.read(RDFParser.java:357)
at org.apache.jena.riot.RDFParser.parseNotUri(RDFParser.java:347)
at org.apache.jena.riot.RDFParser.parse(RDFParser.java:294)
at org.apache.jena.riot.RDFParserBuilder.parse(RDFParserBuilder.java:550)
at org.apache.jena.riot.RDFDataMgr.parseFromInputStream(RDFDataMgr.java:721)
at org.apache.jena.riot.RDFDataMgr.read(RDFDataMgr.java:255)
at org.apache.jena.riot.RDFDataMgr.read(RDFDataMgr.java:222)
at org.apache.jena.riot.RDFDataMgr.read(RDFDataMgr.java:208)

This error doesn't appear when the data is read from a file or when I use
the previous version of Jena (i.e. 3.17.0).

Can someone spot if I'm doing something incorrectly? Is this a genuine
regression in Jena 4?

Best regards,

Jindrich

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