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Posted to dev@tuscany.apache.org by "Simon Laws (Commented) (JIRA)" <de...@tuscany.apache.org> on 2012/03/23 11:51:27 UTC
[jira] [Commented] (TUSCANY-4035) Application could possibly fail
to start if multiple threads are loading the same schema
[ https://issues.apache.org/jira/browse/TUSCANY-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236509#comment-13236509 ]
Simon Laws commented on TUSCANY-4035:
-------------------------------------
Hi Kaushik
Can you check the flag that says you're happy that this is a patch that Apache can use?
> Application could possibly fail to start if multiple threads are loading the same schema
> ----------------------------------------------------------------------------------------
>
> Key: TUSCANY-4035
> URL: https://issues.apache.org/jira/browse/TUSCANY-4035
> Project: Tuscany
> Issue Type: Bug
> Reporter: Kaushik Mukherjee
> Attachments: TUSCANY-4035.patch
>
>
> This was an issue in Tuscany 1.x and is likely an issue in the 2.x code as well. The fix in 1.x was to synchronize schema loading across all XSDModelResolvers.
> Starting multiple applications simultaneously can lead to an
> exception such as:
> org.apache.ws.commons.schema.XmlSchemaException: Schema name conflict in collection. Namespace: http://my.namespace
> at
> org.apache.ws.commons.schema.SchemaBuilder.handleXmlSchemaElement(SchemaBuilder.java:223)
> at
> org.apache.ws.commons.schema.SchemaBuilder.build(SchemaBuilder.java:202)
> at
> org.apache.ws.commons.schema.XmlSchemaCollection.read(XmlSchemaCollection.java:424)
> at
> org.apache.ws.commons.schema.XmlSchemaCollection.read(XmlSchemaCollection.java:347)
> at
> org.apache.ws.commons.schema.XmlSchemaCollection.read(XmlSchemaCollection.java:379)
> at
> org.apache.tuscany.sca.xsd.xml.XSDModelResolver.loadOnDemand(XSDModelResolver.java:204)
> at
> org.apache.tuscany.sca.xsd.xml.XSDModelResolver.aggregate(XSDModelResolver.java:240)
> at
> org.apache.tuscany.sca.xsd.xml.XSDModelResolver.resolveModel(XSDModelResolver.java:114)
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