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https://issues.jboss.org/browse/CDI-180?page=com.atlassian.jira.plugin.sy...
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Mark Struberg commented on CDI-180:
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I'm not sure if this falls under this category, but do we generally like to define
what happens with remote and also with _async_ parts?
E.g. if I have a bean which starts an async EJB task. At first it sounds very tempting to
just promote the current RequestContext and SessionContext also over to this async task.
But now think a bit about it. The user starts an async EJB method which needs 30 minutes
(or even longer) to succeed. Immediately after that, the user logs out and the
logOutHandler therefor destroys the Session. What will happen?
Also please be aware that the methods to programmatically access a Session with a given Id
got removed from the Servlet spec long time ago. Plus there are serialization issues.
Back to your original problem (which is different, but the effect is pretty much the
same): whenever we cross boundaries (threads, servers), this might work in some
situations, but we will fail to support it in a generally valid manner.
Clarify request context lifecycle during remote method invocation of
EJB
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Key: CDI-180
URL:
https://issues.jboss.org/browse/CDI-180
Project: CDI Specification Issues
Issue Type: Clarification
Affects Versions: 1.0
Reporter: Martin Kouba
CDI 1.0 spec states in *6.7.1. Request context lifecycle*:
"The request scope is active: during any remote method invocation of any EJB"
and "The request context is destroyed: after the EJB remote method invocation"
However it doesn't cover various invocation scenarios. For example it's possible
to do in-VM invocation (via remote interface) from the same deployment or from a different
deployment. Is the request context shared in this case? Will be destroyed after the EJB
remote method invocation?
Also take into account that application servers often do optimization and handle remote
interface calls in a local interface manner within the same JVM.
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