I'm deploying resources to Activiti using the "deploymentResources" attribute of the process engine configuration. That bit seems to work – if I do a DeploymentQuery, I see the deployments (and resources contained). In this case, there is one process model deployed. Here is my deployment resources declaration (in the Spring process engine configuration):
Never mind… figured it out. It was a problem parsing the BPMN that wasn't getting reported. I upgraded from 5.9 to 5.13 and the error was logged when deploying the model. I fixed the BPMN issue and now the queries return what I expect.