Could it be that there is a small error in this query (found in hibernate.queries.hbm.xml)?
<query name="GraphSession.findTokensForProcessInNode">
<![CDATA[
select token
from org.jbpm.graph.exe.Token token
where token.processInstance.processDefinition.name = :processDefinitionName
and node.name = :nodeName
]]>
</query>
I believe the text in bold should be
token.node.name = :nodeName.
Am I correct?
