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https://issues.apache.org/jira/browse/CAMEL-5036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen reassigned CAMEL-5036:
----------------------------------
Assignee: Claus Ibsen
> Camel route with bean element sends on startup invalid message to target
> route that is represented by a proxy who exposes route
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-5036
> URL: https://issues.apache.org/jira/browse/CAMEL-5036
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.2.0
> Reporter: Stefan Burkard
> Assignee: Claus Ibsen
>
> I expose a Camel route with a direct endpoint defined in an OSGi bundle with
> the <camel:proxy> and <osgi:service> tags. The reason for this is to be able
> to call this direct-route in other routes (defined in other bundles) as a
> "sub-route" directly as bean [.bean(routeproxy, "method")]. This works as
> expected.
> But on route startup the toString method is called on the route (for a
> description) which is propagated to the elements of the route. Therefore my
> bean-element (which is the direct-route-proxy) receives the toString call and
> the CamelInvocationHandler converts this toString call to a message and sends
> it to the direct-route. This more or less empty message is of course not
> valid for the target route and produces an error on bundle startup.
> Shouldn't the toString call be suppressed by the proxy, since toString is not
> part of the Interface the proxy represents? Or is my approach a not
> recommended or problematic approach?
> Parts of stacktrace to show the way from route startup to the produced message
> => route receives "empty" message
> [omitted]
> at
> org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:45)
> at
> org.apache.camel.component.bean.CamelInvocationHandler.invoke(CamelInvocationHandler.java:65)
> at $Proxy568.toString(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor406.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> => toString call is converted to message and sent to route
> [omitted]
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
> at
> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
> at $Proxy583.toString(Unknown Source)
> at
> org.apache.camel.component.bean.ConstantBeanHolder.toString(ConstantBeanHolder.java:48)
> => toString called on bean-element in route (bean is a proxy for a route)
> [omitted]
> at java.lang.String.valueOf(String.java:2826)
> at java.lang.StringBuilder.append(StringBuilder.java:115)
> at
> org.apache.camel.impl.EventDrivenConsumerRoute.toString(EventDrivenConsumerRoute.java:46)
> at
> org.apache.camel.management.mbean.ManagedRoute.<init>(ManagedRoute.java:41)
> at
> org.apache.camel.management.DefaultManagementLifecycleStrategy.onRoutesAdd(DefaultManagementLifecycleStrategy.java:368)
> at org.apache.camel.impl.RouteService.doStart(RouteService.java:109)
> => Route startup
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