[jira] [Resolved] (CAMEL-4077) XML DSL - Validate has a on startup

["Claus Ibsen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-4077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen resolved CAMEL-4077.
--------------------------------

    Resolution: Fixed

> XML DSL - Validate <route> has a <from> on startup
> --------------------------------------------------
>
>                 Key: CAMEL-4077
>                 URL: https://issues.apache.org/jira/browse/CAMEL-4077
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core
>    Affects Versions: 2.7.2
>            Reporter: Claus Ibsen
>            Assignee: Claus Ibsen
>            Priority: Minor
>             Fix For: 2.8.0
>
>
> We should add validation that a <route> has a <from> as input source. If there is no such, you may get a stacktrace about no such element.
> {code:xml}
>     <route>
>       <to uri="log:line"/>
>       <process ref="myProcessor"/>
>       <to uri="mock:line"/>
>     </route>
> {code}
> {code}
> Caused by: java.util.NoSuchElementException
> 	at java.util.AbstractList$Itr.next(AbstractList.java:350)
> 	at org.apache.camel.impl.DefaultCamelContext.doStartOrResumeRoutes(DefaultCamelContext.java:1524)
> 	at org.apache.camel.impl.DefaultCamelContext.doStartCamel(DefaultCamelContext.java:1436)
> 	at org.apache.camel.impl.DefaultCamelContext.doStart(DefaultCamelContext.java:1326)
> 	at org.apache.camel.spring.SpringCamelContext.doStart(SpringCamelContext.java:164)
> 	at org.apache.camel.impl.ServiceSupport.start(ServiceSupport.java:67)
> 	at org.apache.camel.impl.ServiceSupport.start(ServiceSupport.java:54)
> 	at org.apache.camel.impl.DefaultCamelContext.start(DefaultCamelContext.java:1304)
> 	at org.apache.camel.spring.SpringCamelContext.maybeStart(SpringCamelContext.java:208)
> 	at org.apache.camel.spring.SpringCamelContext.onApplicationEvent(SpringCamelContext.java:101)
> 	... 29 more
> {code}
> The validation should be in camel-core so we ensure this is checked regardless how the route definition has been created.

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