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From "Sven Nold (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-7488) PropertiesComponent gets initialized by util:constant
Date Wed, 11 Jun 2014 08:56:02 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-7488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14027555#comment-14027555
] 

Sven Nold commented on CAMEL-7488:
----------------------------------

Sorry but the main problem/issue is that PropertiesComponent autowires that constants.
I cannot get rid off that (util:)constant(s) because they're referenced else where, which
I cannot change.

Is there any way to remove this auto magic of using these constants as part of the PropertiesComponent
(constructor) initialization. I couldn't find any @Autowired annotation.

> PropertiesComponent gets initialized by util:constant
> -----------------------------------------------------
>
>                 Key: CAMEL-7488
>                 URL: https://issues.apache.org/jira/browse/CAMEL-7488
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core, camel-spring
>    Affects Versions: 2.13.0, 2.13.1
>            Reporter: Sven Nold
>            Assignee: Willem Jiang
>         Attachments: camel-test.zip
>
>
> Using BridgePropertyPlaceholderConfigurer & Spring util constant namespace  to reference
a static field, the Properties Component gets initialized with this constant.
> {code:xml|title=camelContext.xml }
> <util:constant static-field="anypackage.CONSTANT_1"/>
> <bean id="bridgePropertyPlaceHolder" class="org.apache.camel.spring.spi.BridgePropertyPlaceholderConfigurer">
>     <property name="locations">
>       <list>
>         <value>classpath:test.properties</value>
>       </list>
>     </property>
> </bean>
> <camel:camelContext xmlns="http://camel.apache.org/schema/spring">
>     <camel:route>
>       <camel:from uri="direct://ignore" />
>       <camel:setBody>
>         <camel:simple>{{testProperty}}</camel:simple>
>       </camel:setBody>
>       <camel:to uri="mock://ignore" />
>     </camel:route>
> </camel:camelContext>   
> {code}
> Will produce following Stacktrace (constant contained '>>This will be loaded as
location; but I am simply a constant<<'):
> {noformat}
> Caused by: java.io.FileNotFoundException: Properties file >>This will be loaded
as location; but I am simply a constant<< not found in classpath
> 	at org.apache.camel.component.properties.DefaultPropertiesResolver.loadPropertiesFromClasspath(DefaultPropertiesResolver.java:96)
> 	at org.apache.camel.component.properties.DefaultPropertiesResolver.resolveProperties(DefaultPropertiesResolver.java:55)
> 	at org.apache.camel.spring.spi.BridgePropertyPlaceholderConfigurer.resolveProperties(BridgePropertyPlaceholderConfigurer.java:118)
> 	at org.apache.camel.component.properties.PropertiesComponent.parseUri(PropertiesComponent.java:131)
> 	at org.apache.camel.component.properties.PropertiesComponent.parseUri(PropertiesComponent.java:117)
> 	at org.apache.camel.impl.DefaultCamelContext.resolvePropertyPlaceholders(DefaultCamelContext.java:1223)
> 	at org.apache.camel.model.ProcessorDefinition.resolvePropertyPlaceholders(ProcessorDefinition.java:571)
> {noformat}
> My current workaround was to specify propertyPlaceholder with empty location in  camelContext
...
> {code:xml|title=camelContext.xml }
> <!-- same as above -->
> <camel:camelContext xmlns="http://camel.apache.org/schema/spring">
>     <!-- location and id are mandatory -->
>     <camel:propertyPlaceholder id="stupidMandatoryId" location=""/>
>     <camel:route>
>       <camel:from uri="direct://ignore" />
>       <camel:setBody>
>         <camel:simple>{{testProperty}}</camel:simple>
>       </camel:setBody>
>       <camel:to uri="mock://ignore" />
>     </camel:route>
> </camel:camelContext>   
> {code}



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