[jira] Commented: (SM-1011) WSDLFlattenner / SchemaCollection do not handle nested schemas inclusions properly

["Guillaume Nodet (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/activemq/browse/SM-1011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_39822 ] 

Guillaume Nodet commented on SM-1011:
-------------------------------------

Why I understand how your changes would avoid the exception, I' d like to understand how to reproduce the problem.
Could you trim down your schemas to the minimum and attach them please ?

> WSDLFlattenner / SchemaCollection do not handle nested schemas inclusions properly
> ----------------------------------------------------------------------------------
>
>                 Key: SM-1011
>                 URL: https://issues.apache.org/activemq/browse/SM-1011
>             Project: ServiceMix
>          Issue Type: Bug
>          Components: servicemix-common
>    Affects Versions: incubation
>         Environment: Windows XP
>            Reporter: Konrad Argasinski
>             Fix For: incubation
>
>         Attachments: nested schemas.txt
>
>
> WSDLFlattener fails to analyse JSR-181 SU WSDL which imports multi-level (nested) schemas structure.
> My JSR-181 SU WSDL imports A1.xsd schema. A1.xsd includes B1.xsd, B2.xsd and B3.xsd. B1.xsd includes C1.xsd.
> The schema is used by JAXB during the project build and it works ok, however when the SU gets deployed on ServiceMix I receive following error:
> <loc-message>NOT_FOUND_ERR: An attempt is made to reference a node in a context where it does not exist.</loc-message>
> <stack-trace><![CDATA[org.w3c.dom.DOMException: NOT_FOUND_ERR: An attempt is made to reference a node in a context where it does not exist.
> 	at org.apache.xerces.dom.ParentNode.internalRemoveChild(Unknown Source)
> 	at org.apache.xerces.dom.ParentNode.removeChild(Unknown Source)
> 	at org.apache.servicemix.common.tools.wsdl.SchemaCollection.handleImports(SchemaCollection.java:150)
> The full stack trace is attached.
> As workaround I compiled my custom SchemaCollection and it works ok now, however I think a better fix is needed.
> My custom changes in org.apache.servicemix.common.tools.wsdl.SchemaCollection are:
> around line 149 I have replaced:
> 	        String location = ce.getAttribute("schemaLocation");
>                 schema.getRoot().removeChild(ce);
> with:
> 	        String location = ce.getAttribute("schemaLocation");
> 	        Node parentNode = ce.getParentNode();
> 	        Element root = schema.getRoot();
> 	        if (root == parentNode) {
> 	           log.debug("Removing child include node: " + ce);
> 	           schema.getRoot().removeChild(ce);
> 	        } else {
>                    log.warn("Skipping child include node removal: " + ce);
> 	        }

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