while performing XML route, route needs to be explicitly associated with configuration to use it.
<route routeConfigurationId="xmlError"> Example on https://camel.apache.org/manual/route-configuration.html#_route_configuration_in_xml works. I think the gap is - when defining a framework based on camel - how to associate specific routeconfigurations to all routes. ચિરાગ/चिराग/Chirag ------------------------------------------ Sent from My Gmail Account On Wed, Apr 13, 2022 at 3:27 AM ski n <raymondmees...@gmail.com> wrote: > > I also created an issue for this with an example: > https://issues.apache.org/jira/browse/CAMEL-17953 > > > On Wed, Apr 13, 2022 at 9:25 AM ski n <raymondmees...@gmail.com> wrote: > > > Yes, based on the link Claus send: > > > > https://camel.apache.org/manual/route-configuration.html > > > > There is an example of how to do it in Java and how to add it to the > > CamelContext. There is also an example of how to do it with XML: > > > > <routeConfiguration id="xmlError"> > > <onException> > > <exception>java.lang.Exception</exception> > > <handled><constant>true</constant></handled> > > <log message="XML WARN: ${exception.message}"/> > > </onException></routeConfiguration> > > > > > > But there is nothing about how to add this to the CamelContext. I assumed > > I need to do this through the RoutesLoader (the same as a normal route). > > Note I add routes as String to the RoutesLoader. However this doesn't seem > > to work. > > > > Raymond > > > > > > > > On Tue, Apr 12, 2022 at 11:38 PM Chirag <chirag.sangh...@gmail.com> wrote: > > > >> Raymond, > >> > >> to summarise: > >> You want to load route configuration using XML? > >> > >> ચિરાગ/चिराग/Chirag > >> ------------------------------------------ > >> Sent from My Gmail Account > >> > >> On Tue, Apr 12, 2022 at 7:59 AM ski n <raymondmees...@gmail.com> wrote: > >> > > >> > 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 > >> > >>> > >> > >> > >> > >
