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https://issues.apache.org/jira/browse/CAMEL-7705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Niels Bertram updated CAMEL-7705:
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Attachment: camel-dynamic-router-zombie.zip
> DynamicRouter hangs thread after bean binding failure
> -----------------------------------------------------
>
> Key: CAMEL-7705
> URL: https://issues.apache.org/jira/browse/CAMEL-7705
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.13.2
> Reporter: Niels Bertram
> Attachments: camel-dynamic-router-zombie.zip
>
>
> I have come across a rather complex problem that results in servicemix going
> into a limbo state not allowing me to deinstall or reinstall the camel
> context that causes the issue. I replicated the issue in a camel blueprint
> test with a very scaled down version of the actual implementation - just
> enough to show how and why it fails (see attached zip of the maven project).
> Here is how it works (or better does not work):
> The example contains a route called {{SessionResourceRoute}} that simply
> accepts a message payload and hands it over to a bean called
> {{DynamicSourceRouter}} which has a route method annotated with
> {{@DynamicRouter}}.
> The routing slip method looks something like that (full detail in code
> attached):
> {code:java}
> @DynamicRouter
> public String route(
> @Header(Exchange.SLIP_ENDPOINT) String previous,
> @Header(SOURCE_ADAPTER) String sourceAdapter,
> @XPath(value = "/child::node()/local-name()") String messageType,
> @XPath(value = "/child::node()/@version") String messageVersion,
> Exchange exchange) {
> ...
> {code}
> The "logic" within the dynamic router will resolve to send the payload onto
> another route defined in {{OneSessionResourceRoute}}. This route will send
> the request message to a CXF endpoint that is configured to return a soap
> fault.
> When the cxf route fails, the dynamic route method on the
> {{DynamicSourceRouter}} is called again to work out if there are others that
> need to be called. Unfortunately when the route returns from the CXF the
> message is the CXFPayload containing the soap fault and when camel tries to
> extract the XPath values out of the failed exchange, itself will fall over
> and then the thread just hangs.
> I understand that this is fixable but I simply like to point out that the
> dynamic router will make the context thread hang and in my case turns
> servicemix into a wobble. It also is not very intuitive for someone not as
> well versed with camel as to what actually is happening.
> To replicate the issue, simply run the maven project as
> {{mvn clean test}}
> OR manually
> - import
> {{\[project.basedir\]/src/test/resources/SessionResourceMock-soapui-project.xml}}
> into SoapUI and start the mock
> - use your favourite IBE to run unit test
> {{SessionResourceManagerFailureTest}}
> You will see that the test has to be stopped with CTRL+C or Z or you'll have
> to kill the test process in the IDE ...
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