Miroslav Matejovsky created CAMEL-8906:
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Summary: Application hangs when Spring Boot Actuator shutdown hook
is used
Key: CAMEL-8906
URL: https://issues.apache.org/jira/browse/CAMEL-8906
Project: Camel
Issue Type: Sub-task
Components: camel-spring-boot
Affects Versions: 2.15.2
Reporter: Miroslav Matejovsky
After some investigation:
* {{org.apache.camel.spring.boot.CamelSpringBootApplicationController}} creates
{{org.apache.camel.main.MainSupport}} instance
* {{MainSupport.waitUntilCompleted()}} will hang on {{latch.await()}}
* To release this lock {{MainSupport.completed()}} has to be called. But this
never happens
* CamelSpringBootApplicationController should implement {{@PreDestroy}}
callback and call {{mainSupport.completed()}}
* Workaround:
{code}
@Autowired
private CamelSpringBootApplicationController
camelSpringBootApplicationController;
@PreDestroy
public void preDestroy() throws Exception {
final Field f =
camelSpringBootApplicationController.getClass().getDeclaredField("mainSupport");
f.setAccessible(true);
MainSupport mainSupport = (MainSupport)
f.get(camelSpringBootApplicationController);
mainSupport.completed();
}
{code}
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