Using CASE statements within transformations cause an NPE

1. unzip CaseTest.zip into $workspace 2. run JBDS 4.1.2 3. import CaseTest project 4. you can see an NPE in $workspace/.metadata/.log <snippet from .log> !ENTRY org.teiid.designer.transformation 4 0 2012-06-08 15:36:05.443 !MESSAGE Error encountered while validating the transformation. !STACK 0 java.lang.NullPointerException at org.teiid.query.resolver.util.ResolverUtil.getConversion(ResolverUtil.java:280) at org.teiid.query.resolver.util.ResolverUtil.convertExpression(ResolverUtil.java:225) at org.teiid.query.resolver.util.ResolverVisitor.resolveCompareCriteria(ResolverVisitor.java:664) at org.teiid.query.resolver.util.ResolverVisitor.visit(ResolverVisitor.java:303) at org.teiid.query.sql.lang.CompareCriteria.acceptVisitor(CompareCriteria.java:123) at org.teiid.query.sql.navigator.AbstractNavigator.visitVisitor(AbstractNavigator.java:52) at org.teiid.query.sql.navigator.PreOrPostOrderNavigator.postVisitVisitor(PreOrPostOrderNavigator.java:140)