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https://issues.apache.org/jira/browse/JS2-1255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13105075#comment-13105075
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Ate Douma commented on JS2-1255:
--------------------------------

Agreed. 

Actually, I was thinking if it maybe is time to drop Tomcat 5.x support and 
make Tomcat 7 the default (that is: if/when it properly works with Jetspeed, 
see below).
The Tomcat 6 and Tomcat 7 deployment configurations actually are the same, so 
doing the above would simply "collapse" our maven deploy plugin configuration 
and behavior into a singular one.

I've already played with this a bit trying to get it to work, and it actually 
turned out to be pretty trivial changes.

One specific, and major, configuration change however is required for upgrading 
to Tomcat 7: the server.xml connector emptySessionPath="true" attribute no 
longer is supported!
I discovered this while working on a similar upgrade for Pluto, see PLUTO-611
But also for this, the "fix" is pretty trivial: now a new attribute 
sessionCookiePath="/" needs to be configured instead on the root Context in 
$CATALINA_HOME/conf/context.xml
See: http://tomcat.apache.org/migration.html#Session_cookie_configuration

Once I did these, building and deploying to Tomcat 7.0.21 worked without a 
problem, including through a jetspeed-installer build.

However...
We have a new and more serious technical problem: (only) when trying to login 
on Jetspeed, the PortalSessionsManagerImpl now throws a NPE for every portlet 
render:

  java.lang.NullPointerException
        at 
org.apache.jetspeed.container.session.PortalSessionsManagerImpl.checkMonitorSession(PortalSessionsManagerImpl.java:226)
        at 
org.apache.jetspeed.container.JetspeedContainerServlet.doGet(JetspeedContainerServlet.java:395)
   
This I haven't had time to look into yet, but it seems like Tomcat 7 is 
"twisting" the session/cookie handling after login in some way.
I'll try to figure out what goes wrong ASAP (this week).  

> Update Jetspeed demo and installer to use latest Tomcat 7.x version for 
> hardened security
> -----------------------------------------------------------------------------------------
>
>                 Key: JS2-1255
>                 URL: https://issues.apache.org/jira/browse/JS2-1255
>             Project: Jetspeed 2
>          Issue Type: Improvement
>    Affects Versions: 2.2.1
>            Reporter: Ate Douma
>             Fix For: 2.2.2
>
>


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