For whatever it's worth for whomever might run into a similar problem, I think I've identified at least one trigger.
My blueprint-properties.xml is defined with: <cm:property-placeholder persistent-id="my.pid" update-strategy="reload"> By creating a test-blueprint-properties.xml with the same information in it but no reload strategy the intermittent hang seems to have stopped. -- View this message in context: http://camel.465427.n5.nabble.com/CamelBlueprintTestSupport-version-tp5777764p5777772.html Sent from the Camel - Users mailing list archive at Nabble.com.