[CAMEL-3508] Add better exception message when data format not on classpath

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.5.0
• Fix Version/s: 2.6.0
• Component/s: camel-core
• Assignee: Ashwin J. Karpe
• Reporter: Claus Ibsen
• Created: 06/Jan/11 16:25
• Updated: 25/Oct/11 11:35
• Resolved: 07/Jan/11 16:44

Description

For example when you dont have camel-jaxb on classpath, you end up with something like this starting a Camel route

Error occurred while running main from: org.apache.camel.spring.Main
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.camel.maven.RunMojo$1.run(RunMojo.java:415)
        at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.camel.RuntimeCamelException: org.apache.camel.FailedToCreateRouteException: Failed to create route route1 at: >>> Marshal[ref:myJaxb] <<< in route: Route[[From[timer://myTimer?fixedRate=true&period=60000]] ->... because of dataFormat must be specified
        at org.apache.camel.util.ObjectHelper.wrapRuntimeCamelException(ObjectHelper.java:1126)
        at org.apache.camel.spring.SpringCamelContext.onApplicationEvent(SpringCamelContext.java:103)
        at org.apache.camel.spring.CamelContextFactoryBean.onApplicationEvent(CamelContextFactoryBean.java:231)
        at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:97)
        at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:303)
        at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:911)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:428)
        at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
        at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93)
        at org.apache.camel.spring.Main.createDefaultApplicationContext(Main.java:219)
        at org.apache.camel.spring.Main.doStart(Main.java:173)
        at org.apache.camel.impl.ServiceSupport.start(ServiceSupport.java:56)
        at org.apache.camel.impl.MainSupport.run(MainSupport.java:114)
        at org.apache.camel.impl.MainSupport.run(MainSupport.java:291)
        at org.apache.camel.spring.Main.main(Main.java:97)
        ... 6 more
Caused by: org.apache.camel.FailedToCreateRouteException: Failed to create route route1 at: >>> Marshal[ref:myJaxb] <<< in route: Route[[From[timer://myTimer?fixedRate=true&period=60000]] ->... because of dataFormat must be specified
        at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:720)
        at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:138)
        at org.apache.camel.impl.DefaultCamelContext.startRoute(DefaultCamelContext.java:559)
        at org.apache.camel.impl.DefaultCamelContext.startRouteDefinitions(DefaultCamelContext.java:1207)
        at org.apache.camel.impl.DefaultCamelContext.doStartCamel(DefaultCamelContext.java:1076)
        at org.apache.camel.impl.DefaultCamelContext.doStart(DefaultCamelContext.java:986)
        at org.apache.camel.spring.SpringCamelContext.doStart(SpringCamelContext.java:164)
        at org.apache.camel.impl.ServiceSupport.start(ServiceSupport.java:56)
        at org.apache.camel.impl.DefaultCamelContext.start(DefaultCamelContext.java:946)
        at org.apache.camel.spring.SpringCamelContext.maybeStart(SpringCamelContext.java:203)
        at org.apache.camel.spring.SpringCamelContext.onApplicationEvent(SpringCamelContext.java:101)
        ... 19 more
Caused by: java.lang.IllegalArgumentException: dataFormat must be specified
        at org.apache.camel.util.ObjectHelper.notNull(ObjectHelper.java:262)
        at org.apache.camel.model.DataFormatDefinition.getDataFormat(DataFormatDefinition.java:86)
        at org.apache.camel.model.DataFormatDefinition.getDataFormat(DataFormatDefinition.java:69)
        at org.apache.camel.model.UnmarshalDefinition.createProcessor(UnmarshalDefinition.java:123)
        at org.apache.camel.model.ProcessorDefinition.makeProcessor(ProcessorDefinition.java:389)
        at org.apache.camel.model.ProcessorDefinition.addRoutes(ProcessorDefinition.java:169)
        at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:717)
        ... 29 more
*************************************
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO]

dataFormat must be specified
[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7 seconds
[INFO] Finished at: Thu Jan 06 14:52:24 CET 2011
[INFO] Final Memory: 30M/55M
[INFO] ------------------------------------------------------------------------