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https://issues.apache.org/jira/browse/XERCESJ-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17676484#comment-17676484
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Radu Coravu commented on XERCESJ-1754:
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I'm afraid our code which does the validation is too complex to easily
simplify. We perform the same validation multiple times re-using the same
parser. The XMLSchemaValidator gets reset and reused but as I said because the
reset method has a fast return, not all caches are reset.
> XMLSchemaValidator reset no longer resets id validation caches
> --------------------------------------------------------------
>
> Key: XERCESJ-1754
> URL: https://issues.apache.org/jira/browse/XERCESJ-1754
> Project: Xerces2-J
> Issue Type: Bug
> Components: XML Schema 1.1 Structures
> Reporter: Radu Coravu
> Priority: Major
> Attachments: test.xml, test.xsd
>
>
> I validate an XML with an XML Schema 1.1 file.
> On the first validation the XML is reported valid.
> On the second validation I re-use the parser, the ID values inside elements
> are reported as duplicate and I get errors like this reported:
> {code}Message: cvc-type.3.1.3: The value 'thing122' of element 'uid' is not
> valid.{code}
> Looking at the method
> org.apache.xerces.impl.xs.XMLSchemaValidator.reset(XMLComponentManager),
> there is a fast return inside it:
> {code} if (!parser_settings) {
> // parser settings have not been changed
> fValidationManager.addValidationState(fValidationState);
> // the node limit on the SecurityManager may have changed so need
> to refresh.
> nodeFactory.reset();
> // Re-parse external schema location properties.
> XMLSchemaLoader.processExternalHints(
> fExternalSchemas,
> fExternalNoNamespaceSchema,
> fLocationPairs,
> fXSIErrorReporter.fErrorReporter);
> return;
> }{code}
> and this means all the code which for example cleared the IDs cache:
> {code} // reset ID Context
> if (fIDContext != null) {
> fIDContext.clear();
> }{code}
> is no longer executed.
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