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Steps to Reproduce:
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Try to run this application:

import javax.enterprise.inject.se.SeContainer; import javax.enterprise.inject.se.SeContainerInitializer; import javax.enterprise.inject.spi.CDI; public class NPEOnSecondGetBeanManager { public static void main(String[] args) { SeContainer container = SeContainerInitializer.newInstance() .disableDiscovery() .addBeanClasses(BeanClass.class) .initialize(); CDI.current().getBeanManager(); container.close(); CDI.current().getBeanManager(); } public static class BeanClass { } }
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Try to run this application: import javax.enterprise.inject.se.SeContainer; import javax.enterprise.inject.se.SeContainerInitializer; import javax.enterprise.inject.spi.CDI; public class NPEOnSecondGetBeanManager { public static void main( String [] args) { SeContainer container = SeContainerInitializer.newInstance() .disableDiscovery() .addBeanClasses(BeanClass.class) .initialize(); CDI.current().getBeanManager(); container.close(); CDI.current().getBeanManager(); } public static class BeanClass { } }
Git Pull Request:
https://github.com/weld/core/pull/2166

CDI.current() should produce IllegalStateException when there is no active container at the moment.

Instead on the second call in the sample application CDI.current() returns null and that results in NPE.

The problem is in the implementation of WeldSEProvider.getCDI()

It should not return null if there is no active container. Instead it should produce IllegalStateException

is blocked by

CDI-743 NPE when trying to get BeanManager after container was closed