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https://issues.apache.org/jira/browse/ARIES-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14113649#comment-14113649
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Mark Nuttall commented on ARIES-1238:
-------------------------------------
I've also run into this, and have found Tom's patch to be useful. Committing it
for now.
> Fix for ARIES-1216 can cause NPE if classToProxy is a class from the boot
> loader
> --------------------------------------------------------------------------------
>
> Key: ARIES-1238
> URL: https://issues.apache.org/jira/browse/ARIES-1238
> Project: Aries
> Issue Type: Bug
> Components: Proxy
> Reporter: Thomas Watson
> Assignee: Mark Nuttall
> Attachments: ARIES-1238.patch
>
>
> I'm not entirely sure on the scenario to reproduce this. But I was getting
> an NPE when the classToProxy is a class from the boot strap class loader. In
> my scenario I think that class is java.util.Properties:
> org.osgi.service.blueprint.container.ComponentDefinitionException: Error
> setting property: PropertyDescriptor <name: props, getter: null, setter:
> [class bp.test.client.TestBean.setProps(class java.util.Properties)]
> at
> org.apache.aries.blueprint.container.BeanRecipe.setProperty(BeanRecipe.java:941)
> at
> org.apache.aries.blueprint.container.BeanRecipe.setProperties(BeanRecipe.java:907)
> at
> org.apache.aries.blueprint.container.BeanRecipe.setProperties(BeanRecipe.java:888)
> at
> org.apache.aries.blueprint.container.BeanRecipe.internalCreate2(BeanRecipe.java:820)
> at
> org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:787)
> at
> org.apache.aries.blueprint.di.AbstractRecipe$1.call(AbstractRecipe.java:79)
> at java.util.concurrent.FutureTask.run(FutureTask.java:273)
> at
> org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:88)
> at
> org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:245)
> at
> org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:183)
> at
> org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:681)
> at
> org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:378)
> at
> org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:269)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:482)
> at java.util.concurrent.FutureTask.run(FutureTask.java:273)
> at
> org.apache.aries.blueprint.container.ExecutorServiceWrapper.run(ExecutorServiceWrapper.java:106)
> at
> org.apache.aries.blueprint.utils.threading.impl.DiscardableRunnable.run(DiscardableRunnable.java:48)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:482)
> at java.util.concurrent.FutureTask.run(FutureTask.java:273)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:189)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:303)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1156)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:626)
> at java.lang.Thread.run(Thread.java:804)
> Caused by: java.lang.NullPointerException
> at
> org.apache.aries.proxy.impl.AsmProxyManager.createNewProxy(AsmProxyManager.java:117)
> at
> org.apache.aries.proxy.impl.AbstractProxyManager.createDelegatingInterceptingProxy(AbstractProxyManager.java:75)
> at
> org.apache.aries.proxy.impl.AbstractProxyManager.createInterceptingProxy(AbstractProxyManager.java:53)
> at
> org.apache.aries.blueprint.container.BeanRecipe.addInterceptors(BeanRecipe.java:767)
> at
> org.apache.aries.blueprint.container.BeanRecipe.wrap(BeanRecipe.java:843)
> at
> org.apache.aries.blueprint.container.AggregateConverter.convert(AggregateConverter.java:149)
> at
> org.apache.aries.blueprint.container.BlueprintRepository.convert(BlueprintRepository.java:402)
> at
> org.apache.aries.blueprint.utils.ReflectionUtils$PropertyDescriptor.convert(ReflectionUtils.java:394)
> at
> org.apache.aries.blueprint.utils.ReflectionUtils$MethodPropertyDescriptor.internalSet(ReflectionUtils.java:628)
> at
> org.apache.aries.blueprint.utils.ReflectionUtils$PropertyDescriptor.set(ReflectionUtils.java:378)
> at
> org.apache.aries.blueprint.container.BeanRecipe.setProperty(BeanRecipe.java:939)
> ... 23 more
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