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From Nicolas Bouillon <nico...@bouil.org>
Subject Re: MinaConfiguration codec property
Date Thu, 05 Mar 2009 09:23:33 GMT
Should I create my Endpoints such they are attached to my CamelContext ?

On Thu, Mar 5, 2009 at 10:21, Claus Ibsen <claus.ibsen@gmail.com> wrote:
> Hi
>
> Sorry yeah its a string as this was how its done in Camel 1.x
>
> We could change it to a real ProtocolCodecFactory object instead of
> String and then it should work
>
> For uri you should use the # notation to lookup the codec.
>
> Btw the NPE you get is because you create it like that using Spring
> style and the endpoint does not have the CamelContext associated.
> And thus it can not got hold of the registry to lookup the codec.
>
> I will fix it.
>
>
>
> On Thu, Mar 5, 2009 at 10:11 AM, Nicolas Bouillon <nicolas@bouil.org> wrote:
>> I've already tried that. But the codec property IS a string property,
>> and then i got the following error :
>>
>> Caused by: org.springframework.beans.TypeMismatchException: Failed to
>> convert property value of type [com.example.MyProtocolCodecFactory] to
>> required type [java.lang.String] for property 'codec'; nested
>> exception is java.lang.IllegalArgumentException: Cannot convert value
>> of type [com.example.MyProtocolCodecFactory] to required type
>> [java.lang.String] for property 'codec': no matching editors or
>> conversion strategy found
>>        at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:391)
>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1289)
>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1250)
>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010)
>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
>>        ... 29 more
>>
>>
>> On Thu, Mar 5, 2009 at 10:04, Claus Ibsen <claus.ibsen@gmail.com> wrote:
>>> Hi
>>>
>>> You should use ref to refer to another spring bean
>>>  <property name="codec" ref="myCodec" />
>>>
>>> value is for string litterals, numbers and such.
>>>
>>>
>>> On Thu, Mar 5, 2009 at 9:55 AM, Nicolas Bouillon <nicolas@bouil.org> wrote:
>>>> Hi,
>>>>
>>>> i've got an error when trying to create my mina endpoint with spring dsl
:
>>>>
>>>>        <bean id="myCodec" class="com.example.MyProtocolCodecFactory">
>>>>        </bean>
>>>>
>>>>        <bean id="myMinaFactory"
>>>> class="org.apache.camel.component.mina.MinaComponent"/>
>>>>
>>>>        <bean id="myMinaEndpoint"
>>>>              factory-bean="myMinaFactory"
>>>>              factory-method="createEndpoint">
>>>>            <constructor-arg index="0" ref="myMinaConfig"/>
>>>>        </bean>
>>>>
>>>>        <bean id="myMinaConfig"
>>>> class="org.apache.camel.component.mina.MinaConfiguration">
>>>>                <property name="protocol" value="tcp" />
>>>>                <property name="host" value="localhost" />
>>>>                <property name="port" value="7777" />
>>>>                <property name="sync" value="true" />
>>>>                <property name="codec" value="myCodec" />
>>>>        </bean>
>>>>
>>>> I got the following error :
>>>> org.springframework.beans.factory.BeanCreationException: Error
>>>> creating bean with name 'myMinaEndpoint' defined in class path
>>>> resource [spring.xml]: Instantiation of bean failed; nested exception
>>>> is org.springframework.beans.factory.BeanDefinitionStoreException:
>>>> Factory method [public org.apache.camel.Endpoint
>>>> org.apache.camel.component.mina.MinaComponent.createEndpoint(org.apache.camel.component.mina.MinaConfiguration)
>>>> throws java.lang.Exception] threw exception; nested exception is
>>>> java.lang.NullPointerException
>>>>        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:444)
>>>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:903)
>>>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:817)
>>>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:440)
>>>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
>>>>        at java.security.AccessController.doPrivileged(Native Method)
>>>>        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
>>>>        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
>>>>        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
>>>>        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
>>>>        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
>>>>        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
>>>>        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
>>>>        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
>>>>        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
>>>>        at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
>>>>        at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
>>>>        at com.example.main(App.java:15)
>>>> Caused by: org.springframework.beans.factory.BeanDefinitionStoreException:
>>>> Factory method [public org.apache.camel.Endpoint
>>>> org.apache.camel.component.mina.MinaComponent.createEndpoint(org.apache.camel.component.mina.MinaConfiguration)
>>>> throws java.lang.Exception] threw exception; nested exception is
>>>> java.lang.NullPointerException
>>>>        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:127)
>>>>        at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:435)
>>>>        ... 17 more
>>>> Caused by: java.lang.NullPointerException
>>>>        at org.apache.camel.util.CamelContextHelper.lookup(CamelContextHelper.java:152)
>>>>        at org.apache.camel.util.CamelContextHelper.mandatoryLookup(CamelContextHelper.java:170)
>>>>        at org.apache.camel.impl.DefaultComponent.mandatoryLookup(DefaultComponent.java:315)
>>>>        at org.apache.camel.component.mina.MinaComponent.getCodecFactory(MinaComponent.java:360)
>>>>        at org.apache.camel.component.mina.MinaComponent.configureCodecFactory(MinaComponent.java:213)
>>>>        at org.apache.camel.component.mina.MinaComponent.createSocketEndpoint(MinaComponent.java:175)
>>>>        at org.apache.camel.component.mina.MinaComponent.createEndpoint(MinaComponent.java:109)
>>>>        at org.apache.camel.component.mina.MinaComponent.createEndpoint(MinaComponent.java:101)
>>>>        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.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:115)
>>>>        ... 18 more
>>>>
>>>> if i remove the property "codec", it works. I believe it's because the
>>>> "myCodec" bean is not already created. It is reference as a spring
>>>> value, not as a bean reference. But i tried to add depends-on but it
>>>> doesn't work.
>>>> <bean depends-on="myCodec" id="myMinaConfig"  ...
>>>>
>>>> Regards.
>>>> NicolaS.
>>>>
>>>
>>>
>>>
>>> --
>>> Claus Ibsen
>>> Apache Camel Committer
>>>
>>> Open Source Integration: http://fusesource.com
>>> Blog: http://davsclaus.blogspot.com/
>>>
>>
>
>
>
> --
> Claus Ibsen
> Apache Camel Committer
>
> Open Source Integration: http://fusesource.com
> Blog: http://davsclaus.blogspot.com/
>

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