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Posted to dev@ode.apache.org by "Tammo van Lessen (JIRA)" <ji...@apache.org> on 2015/06/09 19:22:01 UTC
[jira] [Resolved] (ODE-1019) Schema load exception is not handled
for captureSchema
[ https://issues.apache.org/jira/browse/ODE-1019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tammo van Lessen resolved ODE-1019.
-----------------------------------
Resolution: Fixed
Assignee: Tammo van Lessen
Thanks for the detailed description and the suggested fix.
> Schema load exception is not handled for captureSchema
> ------------------------------------------------------
>
> Key: ODE-1019
> URL: https://issues.apache.org/jira/browse/ODE-1019
> Project: ODE
> Issue Type: Bug
> Components: Deployment
> Affects Versions: 1.3.6
> Reporter: Igor Vorobiov
> Assignee: Tammo van Lessen
> Priority: Minor
> Fix For: 1.3.7, 1.4
>
> Attachments: LoggingDOMErrorHandler.java, SchemaCaptureTest.java
>
>
> There is the method for wsdl schema parsing(org.apache.ode.utils.xsd.XSUtils.captureSchema(LSInput, XMLEntityResolver)) where schema load exceptions and errors are handled incorrectly.
> First case when we receive model but there were errors during parsing:
> {code}
> XSModel model = schemaLoader.load(input);
> if (model != null && errors.size() != 0) { // TODO: throw Exception}
> {code}
> The question is do we need to throw Exception in this case.
> Second case when exceptions were thrown during parsing in xerces:
> {code:title=org.apache.xerces.impl.xs.XMLSchemaLoader.load(LSInput)|borderStyle=solid}
> public XSModel load(LSInput is) {
> try {
> Grammar g = loadGrammar(dom2xmlInputSource(is));
> return ((XSGrammar) g).toXSModel();
> } catch (Exception e) {
> reportDOMFatalError(e); // will be printed as System.err
> //reportDOMFatalError=>fErrorHandler.getErrorHandler().handleError(error);
> return null;
> }
> }
> {code}
> Fix for the second case can be handler creation which implements DOMErrorHandler and collects all exceptions in handleError(DOMError error) method.
> schemaLoader should be configured with this handler:
> {code}
> LoggingDOMErrorHandler deh = new LoggingDOMErrorHandler(__log);
> schemaLoader.setParameter(Constants.DOM_ERROR_HANDLER, deh);
> {code}
> And after load schema call we can check exceptions size like it is done for errors:
> {code}
> ArrayList<Exception> exceptions = deh.getExceptions();
> XSModel model = schemaLoader.load(input);
> if (exceptions.size() != 0) { // TODO: throw Exception}
> {code}
> Attached test to reproduce second case and exception handler class.
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