[rules-users] NoSuchFieldError: session

[Lance]

I am in the midst of converting a set of rules and rule-flows from Drools
5.1.0 to 5.3.0
During the execution of the primary rule-flow, we receive an exception which
traces back to...

*Caused by: java.lang.NoSuchFieldError: session
        at
org.jbpm.process.instance.impl.MVELAction.execute(MVELAction.java:89)
        at
org.jbpm.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:47)
        at
org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)
        ...*

This appears to occur in an action node that contains the following...

*   insert(context.getVariable("shipmentDocument"));
   insert(context.getVariable("shipmentLifecycle"));*

The action node dialect is set to MVEL, and setting it to Java seems to
cause the rule-flow to never exit the action node.

The rule-flow and associated rules all work without error in our Drools
5.1.0 implementation. Any suggestions on why this might not be working in
5.3.0, and how I might go about fixing it?



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