[jboss-as7-dev] Migrating Seam app to AS7: Accessing page results in "The page isn't redirecting properly"

[Stuart Douglas]

Seam can go into that sort or endless loop when the security side of things fails to initialise.

In this case it is because Seam 2 uses Drools for security, Drools uses the MVEL dialect, and MVEL uses sun/misc/Unsafe. 


For now try adding a 

Dependencies: system

entry to the MANIFEST.MF of your war. This may cause other problems however, and is not generally a good idea. If this does not work it is possible to use jboss-deployment-structure.xml to just add a dep on sun/misc classes.

Stuart



On 08/06/2011, at 6:28 AM, Sande Gilda wrote:

> I have made a lot of progress migrating this application from EAP5.1 to AS7 with a whole lot of help from the developers. The application is now deploying successfully, but I have run into a problem when I access the application in the browser.
> 
> I am getting this error in Firefox:
> The page isn't redirecting properly
> Firefox has detected that the server is redirecting the request for this address in a way that will never complete.
> 
>     *   This problem can sometimes be caused by disabling or refusing to accept
>           cookies.
> Cookies are enabled, and in fact, this application runs fine in EAP 5.1. It looks like Firefox displays this error when a web page redirects you in an endless loop.
> 
> I googled JBoss Seam and this error and I see a few issues reported in previous releases. Many are related to page security issues. 
> 
> In my JBoss startup log, I do see this, but am not sure if it's related:
> 15:46:23,747 WARNING [org.jboss.seam.security.permission.PersistentPermissionResolver] (MSC service thread 1-4) no permission store available - please install a PermissionStore with the name 'org.jboss.seam.security.jpaPermissionStore' if persistent permissions are required.
> 
> I've attached the entire JBoss log. The java.lang.NoClassDefFoundError: sun/misc/Unsafe error occurs when I hit the page, I'm assuming it's because of the endless loop. 
> 
> I'm not familiar enough with Seam to debug this. Does anyone have any suggestions for my next step? 
> 
> Thanks,
> Sande
> 
> 
> 
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