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https://issues.apache.org/jira/browse/JENA-811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14212304#comment-14212304
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Andy Seaborne commented on JENA-811:
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[~mpjarvis], you are probably well aware of this but variation in the
appearance of the base URI may lead confusion later. Queries written with
difference appearance will not match.
That said, it seems Jena is not behaving consistently which is more of an issue
to me. Other places seem to silently accept case-varying data.
One solution is relax the global policy. Another is to make it resettable.
> org.apache.jena.riot.system.IRIResolver doesn't allow for any control over
> violation error/warning settings
> -----------------------------------------------------------------------------------------------------------
>
> Key: JENA-811
> URL: https://issues.apache.org/jira/browse/JENA-811
> Project: Apache Jena
> Issue Type: Bug
> Components: IRI
> Affects Versions: Jena 2.11.2
> Reporter: Matthew Jarvis
> Priority: Minor
>
> The IRIResolver class has a public static iriFactory that is used for
> creating IRIs, but consumers never have a chance to call
> IRIResolver.iriFactory#setIsError or IRIResolver.iriFactory#setIsWarning
> because the iriFactory is used in a static block when the class is loaded.
> Any attempts to call either the setIsError or setIsWarning method throw the
> following exception:
> {noformat}
> java.lang.IllegalStateException: Cannot reinitialize IRIFactory after first
> use.
> at
> org.apache.jena.iri.impl.IRIFactoryImpl.initializing(IRIFactoryImpl.java:255)
> at org.apache.jena.iri.IRIFactory.setIsError(IRIFactory.java:579)
> ...
> {noformat}
> A simple test case that illustrates the problem is:
> {noformat}
> @Test
> public void testIgnoreLowercaseViolation() {
> IRIResolver.iriFactory.setIsError(ViolationCodes.LOWERCASE_PREFERRED,
> false);
> IRIResolver.resolveIRI("http://EXAMPLE.com";);
> }
> {noformat}
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