[
https://issues.jboss.org/browse/WELD-892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ales Justin updated WELD-892:
-----------------------------
Assignee: Ales Justin (was: Marko Strukelj)
Workaround Description: (was: Use a flag and a request-scoped observer
class
{code}
@RequestScoped
public class Observer
{
@Inject
Pinger pinger;
private boolean handling;
public void newSession(@Observes @Initialized HttpSession s)
{
if (!handling)
{
handling = true;
pinger.ping();
}
}
}
{code})
> Calling session-scoped components from session initialized observer goes into
> infinite loop
> -------------------------------------------------------------------------------------------
>
> Key: WELD-892
> URL: https://issues.jboss.org/browse/WELD-892
> Project: Weld
> Issue Type: Bug
> Components: Scopes & Contexts
> Affects Versions: 1.1.1.Final
> Reporter: Nicklas Karlsson
> Assignee: Ales Justin
>
> Given a session scoped component
> {code}
> @SessionScoped
> public class Pinger implements Serializable
> {
> public void ping()
> {
> };
> }
> {code}
> and a session initialized observer calling it
> {code}
> public class Observer
> {
> @Inject
> Pinger pinger;
> public void newSession(@Observes @Initialized HttpSession s)
> {
> pinger.ping();
> }
> }
> {code}
> We go off into an infinite loop. Since Pinger doesn't exist, it is created
> and placed in the session scoped beanstore, which creates a session and fires
> off the observer. I'm not sure why the session isn't considered created at
> this point. This is bordering on feature since I think the result would be
> the same if servlet listeners would be used. Perhaps this could be worked
> around int the event bridge somehow so that the firing would be prevented if
> we're already handling the session created event...
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