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From "Chetan Mehrotra (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-256) JAAS Authentication failing in OSGi env due to classloading issue
Date Mon, 27 Aug 2012 13:38:07 GMT

    [ https://issues.apache.org/jira/browse/OAK-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442411#comment-13442411
] 

Chetan Mehrotra commented on OAK-256:
-------------------------------------

We might have to set the TCCL at LoginContextProviderImpl because switching it in ContentRepository
level or any other layer does not help in case where impersonation is performed Session#impersonate.
So the only safe place would be to switch it in LoginContextProviderImpl
                
> JAAS Authentication failing in OSGi env due to classloading issue
> -----------------------------------------------------------------
>
>                 Key: OAK-256
>                 URL: https://issues.apache.org/jira/browse/OAK-256
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: jcr
>    Affects Versions: 0.5
>            Reporter: Chetan Mehrotra
>              Labels: osgi, sling
>         Attachments: OAK-256-tccl-switch.patch
>
>
> At times Repository login fails because the LoginModule cannot be instantiated 
> {noformat}
> Caused by: javax.jcr.LoginException: unable to find LoginModule class: org.apache.jackrabbit.oak.security.authentication.LoginModuleImpl
> 	at org.apache.jackrabbit.oak.jcr.RepositoryImpl.login(RepositoryImpl.java:139)
> 	at org.apache.jackrabbit.oak.jcr.SessionImpl.impersonate(SessionImpl.java:114)
> 	at org.apache.sling.jcr.base.SessionProxyHandler$SessionProxyInvocationHandler.invoke(SessionProxyHandler.java:101)
> 	at $Proxy9.impersonate(Unknown Source)
> 	at org.apache.sling.jcr.davex.impl.servlets.SlingDavExServlet$1.getLongLivedSession(SlingDavExServlet.java:206)
> {noformat}
> As a fix LoginContextProviderImpl should switch the Thread's context classloader (TCCL)
to oak-jcr bundle's classloader so that required loginmodule class can be instantiated

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