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xmlsslgrailsconfigspring-amqp

Grails(spring-amqp) - connecting with RabbitMQ with SSL through XML configuration

I've been trying to modify configuration of an old project(that is based on grails 2.5.6) to use ssl connection when integrating with RabbitMQ instance. I have spring-amqp in version 1.4.6. My old version of config is written in a xml file like this:

<beans
    xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:rabbit="http://www.springframework.org/schema/rabbit"
    xsi:schemaLocation="http://www.springframework.org/schema/rabbit http://www.springframework.org/schema/rabbit/spring-rabbit-1.4.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

<rabbit:connection-factory
        id="connectionFactory"
        username="guest2"
        password="guest"
        virtual-host="dev"
        host="localhost"
        port="5672"
/>

I also have listeners configured like this:

<bean id="rabbitListener" class="org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer">
    <property name="connectionFactory" ref="connectionFactory"/>
    <property name="queues" ref="rabbitQueue" />
    <property name="defaultRequeueRejected" value="false"/>
    <property name="messageListener" ref="listenerService" />
    <property name="errorHandler" ref="errorHandlerService" />
    <property name="autoStartup" value="false" />
    <property name="concurrentConsumers" value="1" />
</bean>

I've set up rabbitmq server so it has available ssl connection at port 5671. Then based on documentation i've found here: spring-documentation, i've modified xml config like this:

<beans
    xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:rabbit="http://www.springframework.org/schema/rabbit"
    xsi:schemaLocation="http://www.springframework.org/schema/rabbit http://www.springframework.org/schema/rabbit/spring-rabbit-1.4.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

<rabbit:connection-factory
        id="connectionFactory"
        connection-factory="clientConnectionFactory"
        username="guest2"
        password="guest"
        virtual-host="dev"
        host="localhost"
        port="5671"
/>

<bean id="clientConnectionFactory"
      class="org.springframework.xd.dirt.integration.rabbit.RabbitConnectionFactoryBean">
    <property name="useSSL" value="true" />
    <property name="sslPropertiesLocation" value="file://./rabbitSSL.properties"/>
</bean>

With that configuration when running application i get errors looking like this: 

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'rabbitListener' defined in URL [file:/target/classes/rabbitmq/resources-listeners.xml]: Cannot resolve reference to bean 'connectionFactory' while setting bean property 'connectionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'connectionFactory': Cannot create inner bean '(inner bean)#50b63731' of type [org.springframework.xd.dirt.integration.rabbit.RabbitConnectionFactoryBean] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#50b63731': Invocation of init method failed; nested exception is java.net.UnknownHostException: .

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#50b63731': Invocation of init method failed; nested exception is java.net.UnknownHostException: .

I've been struggling with this issue. I'm not sure how to interpret this error and how to solve it. Has anyone encountered similiar issue or might have a clue what might be wrong with this configuration ?

Solution

  • That's a late reply but i've found the issue. It was my fault all along. After debugging i've found that sslPropertiesLocation was set incorrectly. Double / in file://./rabbit.. made it go for incorrect ftp location. After setting proper file location like: file:grails-app/conf/rabbit/file connection got set up. The debug suggestion made me realize my mistake. Thanks a lot.