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https://issues.apache.org/jira/browse/XERCESJ-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17676651#comment-17676651
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Radu Coravu commented on XERCESJ-1754:
--------------------------------------
We are an XML editing tool so while the end user is editing the XML document,
we validate each time the XML changes. So in our case, the XML Schema remains
the same but we use the same "org.xml.sax.XMLReader" instance (the same object)
created with full schema validation features to re-parse the XML document each
time it is changed.
> 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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