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https://issues.jboss.org/browse/WELD-996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638526#comment-12638526
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Jozef Hartinger edited comment on WELD-996 at 10/31/11 9:00 AM:
----------------------------------------------------------------
My understanding is that if an extension-provided Interceptor implementation
(e.g. CustomInterceptorImpl) is registered, Weld should recognize it to be
passivation capable if and only if CustomInterceptorImpl implements the
PassivationCapable interface. That should be the only indicator and we should
not check if the underlying class, which CustomInterceptorImpl may be using,
implements Serializable or not. Otherwise, that would go against the
abstraction the SPI provides.
was (Author: jharting):
My understanding is that if an extension-provided Interceptor
implementation (e.g. CustomInterceptorImpl) is registered, Weld should
recognize it to be passivation capable if and only if CustomInterceptorImpl
implements the PassivationCapable interface. That should be the only indicator
and we should not check the underlying class CustomInterceptorImpl may be
using. Otherwise, that would go against the abstraction the SPI provides.
> ClassCastException validating custom Interceptor implementation
> ---------------------------------------------------------------
>
> Key: WELD-996
> URL: https://issues.jboss.org/browse/WELD-996
> Project: Weld
> Issue Type: Bug
> Affects Versions: 1.1.2.Final
> Reporter: Jozef Hartinger
> Assignee: Jozef Hartinger
> Priority: Critical
> Fix For: 1.2.0.Beta1
>
>
> Having a custom implementation of the Interceptor interface registered with
> Weld, the validation always fails if the interceptor happens to intercept a
> passivation capable bean. Weld incorrectly casts the interceptor to
> InterceptorImpl which is not valid for extension-provided interceptors.
> {noformat}
> java.lang.ClassCastException:
> org.jboss.seam.classic.intercept.ClassicInterceptor cannot be cast to
> org.jboss.weld.bean.InterceptorImpl
> at org.jboss.as.weld.services.WeldService.start(WeldService.java:96)
> at
> org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1824)
> [jboss-msc-1.0.1.GA.jar:1.0.1.GA]
> at
> org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1759)
> [jboss-msc-1.0.1.GA.jar:1.0.1.GA]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> [:1.6.0_24]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> [:1.6.0_24]
> at java.lang.Thread.run(Thread.java:662) [:1.6.0_24]
> Caused by: java.lang.ClassCastException:
> org.jboss.seam.classic.intercept.ClassicInterceptor cannot be cast to
> org.jboss.weld.bean.InterceptorImpl
> at
> org.jboss.weld.bootstrap.Validator.validateInterceptors(Validator.java:171)
> at
> org.jboss.weld.bootstrap.Validator.validateRIBean(Validator.java:151)
> at
> org.jboss.weld.bootstrap.Validator.validateBeans(Validator.java:351)
> at
> org.jboss.weld.bootstrap.Validator.validateDeployment(Validator.java:336)
> at
> org.jboss.weld.bootstrap.WeldBootstrap.validateBeans(WeldBootstrap.java:404)
> at org.jboss.as.weld.WeldContainer.start(WeldContainer.java:82)
> at org.jboss.as.weld.services.WeldService.start(WeldService.java:89)
> ... 5 more
> {noformat}
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