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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ODE-1019) Schema load exception is not handled for captureSchema
Date Tue, 09 Jun 2015 18:15:01 GMT

    [ https://issues.apache.org/jira/browse/ODE-1019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579343#comment-14579343
] 

Hudson commented on ODE-1019:
-----------------------------

SUCCESS: Integrated in ODE-1.x #499 (See [https://builds.apache.org/job/ODE-1.x/499/])


> 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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