Missing ClassObjectFilter when upgrading to Seam/Drools with JBDS

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Issue

We have upgraded our Seam application during an upgrade from JBoss Developer Studio (JBDS) 2.0.0 to 3.0.1. We created a new seam web project and moved the source code from the old project. However, the new project failed to compile being unable to find org.drools.base.ClassObjectFilter.

Environment

JBoss Development Studio (JBDS) 3.0.1
JBoss Seam 2.2
Drools 5

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