[jboss-jira] [JBoss JIRA] (WFLY-6052) NPE on session.invalidate()

[Juan AMAT (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-6052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152773#comment-13152773 ] 

Juan AMAT commented on WFLY-6052:
---------------------------------

You are absolutely right: https://issues.jboss.org/browse/WFLY-6056

> NPE on session.invalidate()
> ---------------------------
>
>                 Key: WFLY-6052
>                 URL: https://issues.jboss.org/browse/WFLY-6052
>             Project: WildFly
>          Issue Type: Bug
>          Components: Web (Undertow)
>    Affects Versions: 10.0.0.CR5
>            Reporter: Juan AMAT
>            Assignee: Stuart Douglas
>
> I created a discussion about the issue some time ago but got not answer.
> See: https://developer.jboss.org/message/946976#946976
> The problem is that when a webapp is not marked as 'distributable' the undertow InMemorySessionManager is used.
> As mentioned in the discussion the 'getSession' of this manager does not like to be called with a null parameter, which is what willdfy does.
> This happens when single-sign-on is enable and multiple sessions are associated to the same sso session and 'invalidate' is called on one of the session.
> The workaround is to marked all our webapps as distributable but this will have a performance impact.



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