问启动期间解析camelContext.xml文件时的空指针

EN

这是一个间歇性的问题，大约4/5开始点击空指针。Camel-Context.xml如下所示。

• 错误： 2011-10-18 08:31:25 245 main INFO MainSupport - Apache Camel 2.8.0在线程"main“中停止异常，从D:\Users\michaelb\workspace\camel-example-spring-eda\target\classes\META-INF\spring\camel-context-NERD.xml；文件解析XML文档嵌套异常是org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)的java.lang.NullPointerException在org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:212) at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:126) at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:92) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130) at org.springframework.context.support。AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:467) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:397) at org.springframework.context.support.ClassPathXmlApplicationContext.(ClassPathXmlApplicationContext.java:139) at org.springframework.context.support.ClassPathXmlApplicationContext.(ClassPathXmlApplicationContext.java:93) at org.apache.camel.spring.Main.createDefaultApplicationContext(Main.java:185) at org.apache.camel.spring.Main.doStart(Main.java:139) 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.MainSupport.run(MainSupport.java:136) at org.apache.camel.impl.MainSupport.run(MainSupport.java:322) at com.softwareag.eda.NERD.main(NERD.java:39)，原因是: java.lang.NullPointerException at com.sun.xml.inst.bind.v2运行时.ClassBeanInfoImpl.checkOverrideProperties(ClassBeanInfoImpl.java:190) at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.(ClassBeanInfoImpl.java:171) at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
• Camel-Context.xml http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://camel.apache.org/schema/spring ">http://camel.apache.org/schema/spring/camel-spring.xsd"> org.apache.camel.example.spring.eda

            <!-- Announce route -->
            <route id="Announcer" startupOrder="3">
                <from uri="file:src/data?noop=true" />
                <choice>
                    <when>
                        <xpath>$eventtype = 'shipment'</xpath>
                        <to uri="jmsEDA:topic:orderMgmt" />
                    </when>
                    <otherwise>
                        <to uri="jmsEDA:topic:orderMgmt" />
                    </otherwise>
                </choice>
            </route>

            <!-- Listen route -->
            <route id="Listener" startupOrder="2">
                <from uri="jmsEDA:topic:orderMgmt" />
                <to uri="file://target/test?noop=true" />
                <to uri="outputToScreen" />
                <log message="done" />
            </route>

        </camelContext>

        <!-- EDA JMS endpoint URL -->
        <bean id="jmsEDA" class="org.apache.camel.component.jms.JmsComponent">
            <property name="connectionFactory">
                <bean class="org.apache.activemq.ActiveMQConnectionFactory">
                    <property name="brokerURL"
                        value="vm://localhost?broker.persistent=false&amp;broker.useJmx=false" />
                </bean>
            </property>
        </bean>

        <!-- Screen output endpoint -->
        <bean id="outputToScreen"
            class="com.softwareag.eda.NERD.outputToScreen">
        </bean>

    </beans>