[weld-dev] Dependent Scoped bean aquired by CDI.current() is not destroyed

Martin Kouba mkouba at redhat.com
Wed Aug 9 07:21:29 EDT 2017

FYI I've created https://issues.jboss.org/browse/WELD-2413


Dne 9.8.2017 v 12:41 Martin Kouba napsal(a):
> Hi Benjamin,
> the lifecycle of @Dependent instances created through 
> javax.enterprise.inject.spi.CDI is not well defined. So it's always 
> better to destroy such instances when not needed. However, it would make 
> sense to destroy such instances during shutdown.
> I believe this works in Weld SE. What environment/runtime do you use?
> Martin
> Dne 9.8.2017 v 11:52 Benjamin Confino napsal(a):
>> Hello
>> I have a servlet that acquires two instances of a dependent scoped 
>> bean. The first is aquired by @Inject Instance<CdiBean> the second is 
>> acquired via CDI.current().select(CdiBean.class).get().
>> I can see that the first instance's @PreDestroy is called when I shut 
>> down the application. However @PreDestroy is not called on the 
>> instance acquired CDI.current. Here is the source:
>> My question is, is this behaviour intentional? And if it is, can you 
>> please link me to the appropriate part of the spec that says when we 
>> should expect a @Dependent bean created by CDI.current to be 
>> destroyed? I have a customer concerned about this causing a potential 
>> memory leak.
>> Regards
>> Benjamin
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Martin Kouba
Senior Software Engineer
Red Hat, Czech Republic

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