[ http://issues.apache.org/jira/browse/TAPESTRY-720?page=all ]
Howard M. Lewis Ship reassigned TAPESTRY-720:
---------------------------------------------
Assign To: Howard M. Lewis Ship
> Tapestry should validate that all engine services provide a non-null service
> parameter
> --------------------------------------------------------------------------------------
>
> Key: TAPESTRY-720
> URL: http://issues.apache.org/jira/browse/TAPESTRY-720
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Reporter: Howard M. Lewis Ship
> Assignee: Howard M. Lewis Ship
>
> This could be checked by the LinkFactory.
> Currently, a service implementation that does not provide a value for the
> service parameter can cause NPEs inside service encoders:
> Stack Trace:
> *
> org.apache.tapestry.engine.encoders.PageServiceEncoder.encode(PageServiceEncoder.java:41)
> *
> org.apache.tapestry.services.impl.LinkFactoryImpl.createServiceEncoding(LinkFactoryImpl.java:138)
> *
> org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:106)
> * $LinkFactory_1071a0bf7a7.constructLink($LinkFactory_1071a0bf7a7.java)
> * lab.services.LocaleService.getLink(LocaleService.java:54)
> * $IEngineService_1071a0bf83a.getLink($IEngineService_1071a0bf83a.java)
> *
> org.apache.tapestry.services.impl.EngineServiceInnerProxy.getLink(EngineServiceInnerProxy.java:69)
> *
> org.apache.tapestry.services.impl.EngineServiceOuterProxy.getLink(EngineServiceOuterProxy.java:60)
> * lab.components.LocaleLink.renderComponent(LocaleLink.java:80)
> * org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617)
> *
> org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:434)
> * org.apache.tapestry.html.Body.renderComponent(Body.java:129)
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