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https://issues.apache.org/activemq/browse/CAMEL-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=60640#action_60640
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Brian Stiles commented on CAMEL-2942:
-------------------------------------
Fantastic. Thanks for the quick response!
> CamelHttpTransportServlet.destroy causes java.lang.IllegalArgumentException:
> Cannot find the deployed servlet
> -------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-2942
> URL: https://issues.apache.org/activemq/browse/CAMEL-2942
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-servlet
> Affects Versions: 2.3.0
> Reporter: Brian Stiles
> Assignee: Willem Jiang
> Fix For: 2.5.0
>
>
> CamelHttpTransportServlet.destroy removes the servlet from a static map named
> CAMEL_SERVLET_MAP prior to stopping its associated Spring application
> context. If that context defines a route using a servletEndpoint, the route
> is shutdown AFTER the servlet is removed from the map. The shutdown code
> then looks for the servlet in the map by calling
> CamelHttpTransportServlet.getCamelServlet. The servlet can't be found, and
> the ensuing exception is logged (copied below).
> It seems to me that CamelHttpTransportServlet.destroy should be defined like
> this:
>
> public void destroy() {
> // Removal was here
> if (applicationContext != null) {
> applicationContext.stop();
> }
> // Moved the removal to here
> CAMEL_SERVLET_MAP.remove(servletName);
> }
> so that the servlet is removed from the map after the context is stopped.
> I know for sure that removal of the servlet from the map before the context
> is stopped causes this problem when my route is shutdown. I DON'T know for
> sure that my overall configuration is correct, though I think it is valid.
> If the above change is not obviously correct, or if there are further
> questions, please let me know, and I'll work up a sample that demonstrates
> the problem to help answer any questions.
> --
> 2010-07-13 09:06:23,918 [Camel Thread 0 - ShutdownTask] WARN
> org.apache.camel.impl.DefaultShutdownStrategy at
> org.apache.camel.impl.DefaultShutdownStrategy.shutdownNow(DefaultShutdownStrategy.java:219)
> Error occurred while shutting down route: Consumer[/relay]. This
> exception will be ignored.
> java.lang.IllegalArgumentException: Cannot find the deployed servlet, please
> configure the ServletComponent or configure a
> org.apache.camel.component.servlet.CamelHttpTransportServlet servlet in
> web.xml
> at
> org.apache.camel.component.servlet.ServletComponent.getCamelServlet(ServletComponent.java:55)
> at
> org.apache.camel.component.servlet.ServletComponent.disconnect(ServletComponent.java:116)
> at
> org.apache.camel.component.http.HttpEndpoint.disconnect(HttpEndpoint.java:152)
> at
> org.apache.camel.component.http.HttpConsumer.doStop(HttpConsumer.java:56)
> at org.apache.camel.impl.ServiceSupport.stop(ServiceSupport.java:86)
> at org.apache.camel.impl.ServiceSupport.stop(ServiceSupport.java:107)
> at
> org.apache.camel.util.ServiceHelper.stopService(ServiceHelper.java:100)
> at
> org.apache.camel.impl.DefaultShutdownStrategy.shutdownNow(DefaultShutdownStrategy.java:217)
> at
> org.apache.camel.impl.DefaultShutdownStrategy$ShutdownTask.run(DefaultShutdownStrategy.java:413)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:637)
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