I probably caught this in between changes (since I'm updating RF version now too), but seam gen ear project threw this when I deployed to AS 5.0.1

Caused by: java.lang.NoClassDefFoundError: org/drools/decisiontable/SpreadsheetCompiler
    at java.lang.Class.getDeclaredMethods0(Native Method)
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
    at java.lang.Class.privateGetPublicMethods(Class.java:2547)

Also I noticed that there were additional changes to the root.pom.xml that we not in the ivy files (afaict) in seam-gen. 

Once I can deploy seam-gen to AS 5 I'll be ready with RichFaces upgrade for 2.2

-Jay

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blog: http://in.relation.to/Bloggers/Jay