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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAMEL-11000) Property 'accessExternalDTD' is not recognized by (all) Xerces
Date Mon, 13 Mar 2017 11:46:41 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-11000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Claus Ibsen updated CAMEL-11000:
--------------------------------
    Affects Version/s: 2.17.5

> Property 'accessExternalDTD' is not recognized by (all) Xerces
> --------------------------------------------------------------
>
>                 Key: CAMEL-11000
>                 URL: https://issues.apache.org/jira/browse/CAMEL-11000
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-validator
>    Affects Versions: 2.17.5, 2.18.3
>            Reporter: Bernard Ligny
>             Fix For: 2.17.6, 2.18.4, 2.19.0
>
>
> When upgrading from v2.18.1 to 2.18.3, we encounter a (blocking) regression, preventing
routes involving validator component to successfully start.
> Indeed, one of the recent validation-related changes is not fully compatible with all
versions of Xerces. Especially when deployed on JBoss Wildlfy 10.1.0.Final :-(
> *Stack trace*:
> {code:java}
> Caused by: java.lang.IllegalStateException: org.xml.sax.SAXNotRecognizedException: Property
'http://javax.xml.XMLConstants/property/accessExternalDTD' is not recognized.
> 	at org.apache.camel.processor.validation.SchemaReader.createSchemaFactory(SchemaReader.java:181)
> 	at org.apache.camel.processor.validation.SchemaReader.getSchemaFactory(SchemaReader.java:152)
> 	at org.apache.camel.processor.validation.SchemaReader.createSchema(SchemaReader.java:192)
> 	at org.apache.camel.processor.validation.SchemaReader.loadSchema(SchemaReader.java:84)
> 	at org.apache.camel.component.validator.ValidatorEndpoint.createProducer(ValidatorEndpoint.java:119)
> 	at org.apache.camel.impl.ProducerCache.doGetProducer(ProducerCache.java:574)
> 	... 78 more
> Caused by: org.xml.sax.SAXNotRecognizedException: Property 'http://javax.xml.XMLConstants/property/accessExternalDTD'
is not recognized.
> 	at org.apache.xerces.jaxp.validation.XMLSchemaFactory.setProperty(XMLSchemaFactory.java:436)
> 	at __redirected.__SchemaFactory.setProperty(__SchemaFactory.java:143)
> 	at org.apache.camel.processor.validation.SchemaReader.createSchemaFactory(SchemaReader.java:178)
> 	... 83 more
> {code}
> In particular, in the following code:
> {code:java}
> protected SchemaFactory createSchemaFactory() {
>    ...
> 	try {
> 		factory.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, "");
> 	} catch (SAXException e) {
> 		LOG.error(e.getMessage(), e);
> 		throw new IllegalStateException(e);
> 	} 
>  
> }   
> {code} 
>    
> Would it be possible to issue a simple warning, rather then raising an exception ?
> (>see Oracle recommandations: https://docs.oracle.com/javase/tutorial/jaxp/properties/error.html)



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