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From "Christopher Harris (JIRA)" <>
Subject [jira] [Updated] (CAMEL-10747) CamelContext is not been set in VMConsumer when used with POJO @Consume
Date Fri, 27 Jan 2017 15:10:24 GMT


Christopher Harris updated CAMEL-10747:
    Attachment: CamelBeanPostProcessor_patchfile.diff

Patch file to reinstate startService in the CamelBeanPostProcessor.

> CamelContext is not been set in VMConsumer when used with POJO @Consume
> -----------------------------------------------------------------------
>                 Key: CAMEL-10747
>                 URL:
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.17.4, 2.17.5, 2.18.1
>         Environment: Ubuntu 16.04, OpenJDK 1.7, OpenJDK 1.8, Spring 4.2.6.RELEASE
>            Reporter: Christopher Harris
>             Fix For: 2.17.6, 2.18.3, 2.19.0
>         Attachments: CamelBeanPostProcessor_patchfile.diff
> In Spring environment, [DefaultCamelBeanPostProcessor relies on CamelPostProcessorHelper
to inject consumer|]
, when [CamelPostProcessorHelper creates a VMConsumer|]
from the endpoint based on the use of @Consume annotation, it then tries to start the consumer
as a service. 
> Because the consumer endpoint of @Consume was created using the camel context from CamelPostProcessorHelper,
it puts the VMConsumer  service in to [deferred start|]
until the camel context is finished starting. The service is ultimately been [added to the
Then the DeferServiceStartupListener tries to start the VMConsumer at a later stage. 2.17.3
and 2.18.0 does not suffer this problem.
> The problem is non of the process above has considered the fact that the VMConsumer is
an instance of CamelContextAware and injects the correct camel context to it. This then leads
to the VMConsumer tries to prepare the exchange with a null pointer reference as its camel
> Because the exchange now has null as camel context, a NPE is thrown at
when it tries to create the exchange id.
> This problem only happened after issue [CAMEL-10406|]
is merged in

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