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https://issues.apache.org/jira/browse/ARIES-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15345059#comment-15345059
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Grzegorz Grzybek commented on ARIES-1580:
-----------------------------------------
Ah, you've already added the wait - I added this test and just wanted to see if
there's a way to synchronize somehow. Sorry for reassigning this issue from you.
> Blueprint itest ParserServiceImportXSDsBetweenNamespaceHandlersTest
> intermittently fails due to race condition.
> ---------------------------------------------------------------------------------------------------------------
>
> Key: ARIES-1580
> URL: https://issues.apache.org/jira/browse/ARIES-1580
> Project: Aries
> Issue Type: Bug
> Components: Blueprint
> Reporter: John Ross
> Assignee: Grzegorz Grzybek
> Priority: Minor
>
> The ParserServiceImportXSDsBetweenNamespaceHandlersTest Blueprint itest will
> intermittently fail due to a race condition where the namespace handler may
> not have been registered by the time the test is executed. I haven't been
> able to reproduce it on Pax Exam 4.5.0. Nevertheless, the condition exists
> and could still occur. It occurs, on average, once every 5 or 10 runs on Pax
> Exam 3.5.0, required for Java 6.
> The solution is to have the test wait until the namespace handler
> registration, which occurs on a Blueprint background thread, has been
> verified, or a timeout occurs, before proceeding.
> org.osgi.service.blueprint.container.ComponentDefinitionException:
> Unsupported node namespace:
> http://aries.apache.org/blueprint/xmlns/blueprint-aries-1503/v1.1.0
> at
> org.apache.aries.blueprint.parser.Parser.getNamespaceHandler(Parser.java:1386)
> at
> org.apache.aries.blueprint.parser.Parser.getNamespaceHandler(Parser.java:1374)
> at
> org.apache.aries.blueprint.parser.Parser.parseCustomElement(Parser.java:1367)
> at
> org.apache.aries.blueprint.parser.Parser.loadComponents(Parser.java:427)
> at org.apache.aries.blueprint.parser.Parser.populate(Parser.java:331)
> at
> org.apache.aries.blueprint.container.ParserServiceImpl.validateAndPopulate(ParserServiceImpl.java:86)
> at
> org.apache.aries.blueprint.container.ParserServiceImpl.parse(ParserServiceImpl.java:63)
> at
> org.apache.aries.blueprint.container.ParserServiceImpl.parse(ParserServiceImpl.java:53)
> at
> org.apache.aries.blueprint.container.ParserServiceImpl.parse(ParserServiceImpl.java:46)
> at
> org.apache.aries.blueprint.itests.ParserServiceImportXSDsBetweenNamespaceHandlersTest.testXSDImports(ParserServiceImportXSDsBetweenNamespaceHandlersTest.java:106)
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