[CAMEL-12775] Using StubComponent can block routes depending on MEP

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.16.3, 2.22.0
• Fix Version/s: 2.21.3, 2.22.2, 2.23.0
• Component/s: camel-core
• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Guido Schreuder
• Created: 04/Sep/18 17:34
• Updated: 05/Sep/18 09:27
• Resolved: 05/Sep/18 08:38

Description

As the name implies and per the documentation 'stub:' should be a no-op.

However, if the exchange pattarn is InOut, routes are actually blocked waiting for a response.

Discovered against camel 2.16.3

Confirmed against Camel 2.22.0 (see attached test-case)