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https://issues.apache.org/jira/browse/KARAF-4218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061600#comment-15061600
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ASF subversion and git services commented on KARAF-4218:
--------------------------------------------------------

Commit fa5f3a6e5ff2e68574890aa46b46f50d97db524f in karaf's branch 
refs/heads/master from [~kurt.westerf...@gmail.com]
[ https://git-wip-us.apache.org/repos/asf?p=karaf.git;h=fa5f3a6 ]

[KARAF-4218] Mark Principal classes as Serializable


> JAAS boot classes are not marked serializable
> ---------------------------------------------
>
>                 Key: KARAF-4218
>                 URL: https://issues.apache.org/jira/browse/KARAF-4218
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf-osgi, karaf-security
>    Affects Versions: 4.0.3
>            Reporter: Kurt Westerfeld
>            Assignee: Jean-Baptiste Onofré
>             Fix For: 4.0.4
>
>
> The principal classes in the jaas/boot module 
> (org.apache.karaf.jaas.boot.principal package) are not marked serializable.  
> I am trying to setup clustering for a hawtio-based console, and the app 
> stores javax.security.Subject in session data, which is not serializable 
> because org.apache.karaf.jaas.boot.principal.UserPrincipal/etc are not marked 
> serializable. 
> Setting up a configuration for this is easy.  Simply create a WAB project 
> that has WEB-INF/jetty-web.xml as follows.  The session manager in this case 
> simply causes the sessions to serialize to disk.  Most clustering solutions 
> rely on serializable session data.
> {noformat}
> <?xml version="1.0"  encoding="UTF-8"?>
> <!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" 
> "http://www.eclipse.org/jetty/configure.dtd";>
> <Configure class="org.eclipse.jetty.webapp.WebAppContext">
>   <Set name="sessionHandler">
>     <New class="org.eclipse.jetty.server.session.SessionHandler">
>       <Arg>
>         <New class="org.eclipse.jetty.server.session.HashSessionManager">
>           <Set name="storeDirectory">${karaf.data}/sessions</Set>
>           <Set name="savePeriod">10</Set>
>         </New>
>       </Arg>
>     </New>
>   </Set>
> </Configure>
> {noformat}



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