Just sharing my findings here.This happens only if the @property SRC annotation uses "intValue".It may simply be not supported at the Sling level with the Jcr Installer not supporting all types (https://issues.apache.org/jira/browse/SLING-2477) ?There are several options I could think of that I will explore:1) left out the integer values from the xml config file and let the default be use for these. Luckily, I don't need to override the default for these attributes. @smacdonald2008, does that so...

Running into the same issue with Adobe Granite Workflow Service! (com.adobe.granite.workflow.core.WorkflowSessionFactory)Either "cq.workflow.job.retry" or "granite.workflow.inboxQuerySize" require to be set as integers but any attempt to use {Long} would end up with the same error described abovejava.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.IntegerIn my case and on AEM 6.1 , it will actually completely break the touch UI by throwing a 500 response in the JS console...I...

I was poking around on this forum and found that issue that seems to be somehow relatedQuick update: as mentioned in this similar issue, if I add my service account to the administrators group, it works and it is able to see the workflow instances. Obviously, that is not what should be done but I felt it was a valuable information to this issue. It definitely seems like a permission issue but some help on figuring out what has to be granted where would be greatly appreciated. 😉Thanks!