Oliver Holzmann created CAMEL-15307:
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Summary: Graceful shutdown is not working anymore
Key: CAMEL-15307
URL: https://issues.apache.org/jira/browse/CAMEL-15307
Project: Camel
Issue Type: Bug
Components: camel-spring
Affects Versions: 3.4.1, 3.4.0, 3.3.0
Environment: Windows 10
openJDK 1.8, Oracle JDK 1.8
Reporter: Oliver Holzmann
We are using {{org.apache.camel.spring.Main}} to run our Camel applications
within a spring context. After updating from Camel 2.24.3 to 3.4.1 the
gracefull shutdown is not working anymore.
When calling {{Strg+C}} in a windows shell (or stopping a service wrapper) the
camel context is not stopped/closed and the jvm simply stops after logging this:
{code:java}
2020-07-17 08:49:17,559 [ad #7 - CamelHangupInterceptor] INFO
DefaultMainShutdownStrategy - Received hang up - stopping the main instance.
2020-07-17 08:49:17,559 [pache.camel.spring.Main.main()] DEBUG MainSupport
- Stopping Spring ApplicationContext:
org.springframework.context.support.ClassPathXmlApplicationContext@15512f1a
{code}
In Camel 2.25.1 gracefull shutdown also works fine.
Also using Camel version 3.4.0 or 3.3.0 didn't solve the issue.
I debugged the behaviour and found that, when keeping the
{{CamelHangupInterceptor}} thread from
{{org.apache.camel.main.DefaultMainShutdownStrategy}} running after the
{{shutdown}} call, the Camel context is stopped correctly. But when the
{{CamelHangupInterceptor}} thread ends also the JVM is stopping.
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