Loading the routeconfiguration through:
loader.loadRoutes(resource);
also doesn't work. Directly from Java is no problem. Is this a bug or
should the XML RouteConfiguration loaded differently?
Raymond
On Mon, Apr 11, 2022 at 10:26 PM ski n <raymondmees...@gmail.com> wrote:
> As a note:
>
> When when using the routeConfiguration from Java and load it:
>
> public class MyJavaErrorHandler extends RouteConfigurationBuilder {
>
> @Override
> public void configuration() throws Exception {
> routeConfiguration("xmlError")
> .onException(Exception.class).handled(true)
> .log("Java WARN: ${exception.message}");
> }
> }
>
> context.addRoutes(new MyJavaErrorHandler());
>
> then it works as expected. Thus, it must be because of the way the
> routeconfiguration was loaded. I loaded it using:
>
> loader.updateRoutes(resource);
>
> I assumed it worked similar to the old "addOrUpdateXml" method as it says
>
> "Loads or updates existing RoutesBuilder". However it works differently
> (at least for RouteConfiguration). When changing the
> routeConfiguration to:
>
> loader.loadRoutes(resource);
>
> then it worked.
>
> Raymond
>
>
>
>
>
>
>
>
>
>
>
>
> On Mon, Apr 11, 2022 at 9:13 PM ski n <raymondmees...@gmail.com> wrote:
>
>> Yes, with the try-catch-finally clause one can have more fine-grained.
>> However, I am not the one who writes the routes. I am only loading them.
>> That's why I need a more generic behavior (errorHandler) with some
>> configuration options (routeConfiguration).
>>
>> I assumed that the XML routeConfiguration can be loaded the same as a
>> 'normal' xml route. I loaded the following:
>>
>> <routeConfiguration id="xmlError">
>> <onException>
>> <exception>java.lang.Exception</exception>
>> <handled><constant>true</constant></handled>
>> <log message="XML WARN: ${exception.message}"/>
>> </onException></routeConfiguration>
>>
>> And then the route:
>>
>> <route routeConfigurationId="xmlError">
>> <from uri="timer:xml?period=5s"/>
>> <log message="I am XML"/>
>> <throwException exceptionType="java.lang.Exception" message="Some kind
>> of XML error"/></route>
>>
>>
>> I see the error thrown "Some kind of XML error", but I don't see it
>> handled (for example the XML WARN message). Is there something that I am
>> missing?
>>
>> Raymond
>>
>>
>>
>>
>>
>> On Mon, Apr 11, 2022 at 6:06 PM Chirag <chirag.sangh...@gmail.com> wrote:
>>
>>> You could wrap it using try/catch.
>>>
>>> See: https://camel.apache.org/manual/try-catch-finally.html
>>>
>>> My experience with it is - it depends on the endpoint involved to
>>> throw exceptions and enter doCatch appropriately.
>>>
>>> ચિરાગ/चिराग/Chirag
>>> ------------------------------------------
>>> Sent from My Gmail Account
>>>
>>> On Mon, Apr 11, 2022 at 11:10 AM Claus Ibsen <claus.ib...@gmail.com>
>>> wrote:
>>> >
>>> > Hi
>>> >
>>> > See routes configuration
>>> > https://camel.apache.org/manual/route-configuration.html
>>> >
>>> > On Mon, Apr 11, 2022 at 4:30 PM ski n <raymondmees...@gmail.com>
>>> wrote:
>>> > >
>>> > > I am indeed using Camel 3 (Currently 3.14.2) and using Maven. I just
>>> use
>>> > > plain Java (camel core), so I have a similar setup as your example
>>> (only
>>> > > I'm using Java, instead of the application.properties to configure
>>> the
>>> > > Camel context and its routes). Your example helped me to also use
>>> the Yaml
>>> > > dsl.
>>> > >
>>> > > I am still wondering how to do proper errorHandling/onException with
>>> the
>>> > > routesloader.
>>> > >
>>> > > I can set for example the errorHandler globally:
>>> > >
>>> > > extendedCamelContext.setErrorHandlerFactory(routeErrorHandler);
>>> > >
>>> > > But I rather set it per route / per exception (and best of all from
>>> the
>>> > > xml/yaml files). Like it used to be done like this:
>>> > >
>>> > > <camelContext id="myCamelContext" xmlns="
>>> > > http://camel.apache.org/schema/spring";>
>>> > > <!-- Catch the authorization exception and set the Access Denied
>>> > > message back -->
>>> > > <onException>
>>> > >
>>> <exception>org.apache.camel.CamelAuthorizationException</exception>
>>> > > <handled>
>>> > > <constant>true</constant>
>>> > > </handled>
>>> > > <transform>
>>> > > <simple>Access Denied with the Policy of
>>> ${exception.policyId}
>>> > > !</simple>
>>> > > </transform>
>>> > > </onException>
>>> > >
>>> > > <route>
>>> > > <from uri="servlet:user"/>
>>> > > <!-- wrap the route in the policy which enforces security
>>> check -->
>>> > > <policy ref="user">
>>> > > <transform>
>>> > > <simple>Normal user can access this service</simple>
>>> > > </transform>
>>> > > </policy>
>>> > > </route>
>>> > >
>>> > > <route>
>>> > > <from uri="servlet:admin"/>
>>> > > <!-- wrap the route in the policy which enforces security
>>> check -->
>>> > > <policy ref="admin">
>>> > > <transform>
>>> > > <simple>Call the admin operation OK</simple>
>>> > > </transform>
>>> > > </policy>
>>> > > </route>
>>> > >
>>> > > </camelContext>
>>> > >
>>> > > But such files are not accepted by the routesLoader.
>>> > >
>>> > > I also tried setting the error handler on a specific route from Java
>>> like
>>> > > this:
>>> > >
>>> > > Route route = context.getRoute(myRouteId);
>>> > > route.setErrorHandlerFactory(routeErrorHandler);
>>> > >
>>> > > But that didn't change anything.
>>> > >
>>> > > Raymond
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > >
>>> > > On Mon, Apr 11, 2022 at 3:36 PM Chirag <chirag.sangh...@gmail.com>
>>> wrote:
>>> > >
>>> > > > Hello Raymond,
>>> > > >
>>> > > > Are you trying to use Camel 3 ?
>>> > > > Would you use Maven or Gradle to build?
>>> > > >
>>> > > > Here is an example:
>>> > > >
>>> https://github.com/chiragsanghavi/camel-experiments/tree/main/processor
>>> > > > if this helps.
>>> > > >
>>> > > > This example was built to demonstrate a bug- but if you update
>>> maven
>>> > > > to use camel 3.1.5 - it should work.
>>> > > > Only thing needed to support YAML is a change in pom.xml to include
>>> > > > yaml dsl and create yaml files and put them into "routes" folder.
>>> > > >
>>> > > > <dependency>
>>> > > > <groupId>org.apache.camel</groupId>
>>> > > > <artifactId>camel-yaml-dsl</artifactId>
>>> > > > </dependency>
>>> > > >
>>> > > >
>>> > > >
>>> > > > ચિરાગ/चिराग/Chirag
>>> > > > ------------------------------------------
>>> > > > Sent from My Gmail Account
>>> > > >
>>> > > > On Mon, Apr 11, 2022 at 6:15 AM ski n <raymondmees...@gmail.com>
>>> wrote:
>>> > > > >
>>> > > > > Hi All,
>>> > > > >
>>> > > > > I like to use the routesLoader (
>>> > > > >
>>> > > >
>>> https://javadoc.io/static/org.apache.camel/camel-api/3.16.0/org/apache/camel/spi/annotations/RoutesLoader.html
>>> > > > > ).
>>> > > > > I have some questions about how to properly use it.
>>> > > > >
>>> > > > > 1) Is there any documentation on how to use it? (At
>>> > > > > https://camel.apache.org/manual/ or
>>> > > > > https://camel.apache.org/components/next/index.html).
>>> > > > >
>>> > > > > 2) I could find some examples (
>>> https://github.com/apache/camel-examples
>>> > > > ),
>>> > > > > there the routesloader example says:
>>> > > > >
>>> > > > > <!--
>>> > > > > if you want to have multiple routes, you can either have
>>> multiple
>>> > > > files
>>> > > > > with 1 <route> per file or
>>> > > > > you can use <routes> as root tag, such as
>>> > > > > <routes><route>...</route><route>...</route></routes>
>>> > > > > -->
>>> > > > >
>>> > > > > <route>
>>> > > > > <from uri="timer:xml?period=5s"/>
>>> > > > > <log message="I am XML"/>
>>> > > > > </route>
>>> > > > >
>>> > > > > These examples loads xml, can it also loads other DSL's? (Like
>>> yaml or
>>> > > > > Java).
>>> > > > >
>>> > > > > 3) How to use OnException with the RouteLoader?
>>> > > > >
>>> > > > > I thought maybe like this
>>> > > > >
>>> > > > > <routes xmlns="http://camel.apache.org/schema/spring";>
>>> > > > > <onException>
>>> > > > > <exception>java.lang.Exception</exception>
>>> > > > > <redeliveryPolicy maximumRedeliveries="0"
>>> redeliveryDelay="5000"/>
>>> > > > > <handled><constant>true</constant></handled>
>>> > > > > <toD uri="file://some/directory"/>
>>> > > > > </onException>
>>> > > > > <route>
>>> > > > > <from uri="timer:xml?period=5s"/>
>>> > > > > <log message="I am XML"/>
>>> > > > > </route>
>>> > > > > </routes>
>>> > > > >
>>> > > > > But this gave me a nullpointer exception.
>>> > > > >
>>> > > > > 4) Load from string directly
>>> > > > >
>>> > > > > In Camel 2 you could load routes directly from string like this:
>>> > > > >
>>> > > > > ManagedCamelContext managed =
>>> > > > > context.getExtension(ManagedCamelContext.class);
>>> > > > > managedContext = managed.getManagedCamelContext();
>>> > > > > managedContext.addOrUpdateRoutesFromXml(routeAsString);
>>> > > > >
>>> > > > > In Camel 3 the "addOrUpdateRoutesFromXml" is depracated. With
>>> routeLoader
>>> > > > > from string I do it like this:
>>> > > > >
>>> > > > > ExtendedCamelContext extendedCamelContext =
>>> > > > > context.adapt(ExtendedCamelContext.class);
>>> > > > > RoutesLoader loader = extendedCamelContext.getRoutesLoader();
>>> > > > > Resource resource = ResourceHelper.fromString("any.xml", route);
>>> > > > >
>>> > > > > loader.updateRoutes(resource);
>>> > > > >
>>> > > > > Is this the only way in Camel 3, or is there also a specific
>>> method to
>>> > > > use
>>> > > > > strings directly (and maybe only specify the DSL used) like:
>>> > > > >
>>> > > > > loader.updateRoutes(routeAsString, "xml");
>>> > > > >
>>> > > > >
>>> > > > > Raymond
>>> > > >
>>> >
>>> >
>>> >
>>> > --
>>> > Claus Ibsen
>>> > -----------------
>>> > http://davsclaus.com @davsclaus
>>> > Camel in Action 2: https://www.manning.com/ibsen2
>>>
>>
