我正在尝试实现路由解决方案,其中我需要从兔子mq的一个队列中读取消息并将消息放在不同的兔子mq /不同队列上。
我能够从队列中单独进行读写,但它不能一起工作。
这是camel配置文件:
<?xml version="1.0" encoding="UTF-8"?>
<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"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd
http://www.springframework.org/schema/rabbit http://www.springframework.org/schema/rabbit/spring-rabbit-1.0.xsd">
<context:annotation-config/>
<context:component-scan base-package="amqp.spring.camel.component"/>
<camelContext xmlns="http://camel.apache.org/schema/spring">
<jmxAgent id="agent" createConnector="false" disabled="true" />
<template id="wfcTemplate" />
<template id="routerTemplate" />
<route>
<from uri="spring-amqp:exchange1:queue1:ABCD?type=topic&autodelete=false&durable=true" />
<log message="Message available on a RabbitMQ Queue : ${body}" />
<to uri="spring-amqp:exchange2:queue2:EFGH?type=topic&autodelete=false&durable=true" />
</route>
</camelContext>
<rabbit:connection-factory id="producerConnectionFactory" connection-factory="producerConnectionFactory" />
<rabbit:template id="routerTemplate" connection-factory="producerConnectionFactory" message-converter="messageConverter" exchange="exchange2" />
<rabbit:admin connection-factory="producerConnectionFactory" />
<bean id="producerConnectionFactory" class="org.springframework.amqp.rabbit.connection.CachingConnectionFactory">
<property name="host" value="10.0.10.100"/>
<property name="port" value="5672"/>
<property name="username" value="shailesh"/>
<property name="password" value="shailesh"/>
<property name="virtualHost" value="vh1"/>
</bean>
<rabbit:connection-factory id="consumerConnectionFactory" connection-factory="consumerConnectionFactory"/>
<rabbit:template id="wfcTemplate" connection-factory="consumerConnectionFactory" message-converter="messageConverter" exchange="exchange1" />
<rabbit:admin connection-factory="consumerConnectionFactory"/>
<bean id="consumerConnectionFactory" class="org.springframework.amqp.rabbit.connection.CachingConnectionFactory">
<property name="host" value="10.0.10.101"/>
<property name="port" value="5672"/>
<property name="username" value="shailesh"/>
<property name="password" value="shailesh"/>
<property name="virtualHost" value="vh2"/>
</bean>
<!-- converters -->
<bean id="jsonMessageConverter" class="amqp.spring.converter.XStreamConverter"/>
<bean id="textMessageConverter" class="amqp.spring.converter.StringConverter"/>
<bean id="messageConverter" class="amqp.spring.converter.ContentTypeConverterFactory">
<property name="converters">
<map>
<entry key="application/json" value-ref="jsonMessageConverter"/>
<entry key="application/xml" value-ref="textMessageConverter"/>
</map>
</property>
<property name="fallbackConverter" ref="textMessageConverter"/>
</bean>
</beans>
我得到的错误如下:
[pache.camel.spring.Main.main()] SpringCamelContext INFO Total 1 routes, of which 1 is started.
[pache.camel.spring.Main.main()] SpringCamelContext INFO Apache Camel 2.10.3 (CamelContext: camel-1) started in 0.589 seconds
[PConsumer.SpringAMQPExecutor-1] route1 INFO Message available on a RabbitMQ Queue : Hello, world! Fri Feb 08 14:14:33 CST 2013
[l-1) thread #0 - amqp-producer] SpringAMQPProducer ERROR Could not deliver message via AMQP
java.lang.NullPointerException
at amqp.spring.camel.component.SpringAMQPProducer$AMQPProducerTask.run(SpringAMQPProducer.java:150)[camel-spring-amqp-1.4.jar:]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)[:1.7.0_11]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)[:1.7.0_11]
at java.util.concurrent.FutureTask.run(FutureTask.java:166)[:1.7.0_11]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)[:1.7.0_11]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)[:1.7.0_11]
at java.lang.Thread.run(Thread.java:722)[:1.7.0_11]