Question

我正在使用spring mvc。我在App-config.xml中配置了两个jaxb上下文，如下所示。因此我在Tomcat服务器上运行我的项目时遇到了问题。所以我们迁移到Liberty Was（8.0）服务器。然后它开始正常工作。

<bean id="jaxbContext" class="javax.xml.bind.JAXBContext" factory-method="newInstance">   
        <constructor-arg>     
            <list>        
                <value>com.xxx.aaa</value>     
            </list>   
        </constructor-arg> 
    </bean>     


    <bean id="jaxbContextnew" class="javax.xml.bind.JAXBContext" factory-method="newInstance">   
        <constructor-arg>     
            <list>        
                <value>com.xxx.bbb</value>     
            </list>   
        </constructor-arg> 
    </bean>

现在，在使用spring junit 4 runner运行JUnit测试用例时，我遇到了以下错误。实际配置很好。 1）请说明配置两个jaxb上下文需要做什么。要么 2）我们可以在单独运行juint时指向自定义jaxb实现吗？如何确定我的Web应用程序正在使用哪个jaxb上下文？

TRACE DefaultListableBeanFactory - Ignoring factory method [public static javax.xml.bind.JAXBContext javax.xml.bind.JAXBContext.newInstance(java.lang.String,java.lang.ClassLoader,java.util.Map) throws javax.xml.bind.JAXBException] of bean 'jaxbContextnew': org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jaxbContextNew' defined in URL [file:src/main/webapp/WEB-INF/spring/app-config.xml]: Unsatisfied dependency expressed through constructor argument with index 0 of type [java.lang.String]: Could not convert factory method argument value of type [java.util.ArrayList] to required type [java.lang.String]: Failed to convert value of type 'java.util.ArrayList' to required type 'java.lang.String'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [java.util.ArrayList] to required type [java.lang.String]: no matching editors or conversion strategy found
TRACE DefaultListableBeanFactory - Ignoring factory method [public static javax.xml.bind.JAXBContext javax.xml.bind.JAXBContext.newInstance(java.lang.String,java.lang.ClassLoader) throws javax.xml.bind.JAXBException] of bean 'jaxbContextNew': org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jaxbContextNew' defined in URL [file:src/main/webapp/WEB-INF/spring/app-config.xml]: Unsatisfied dependency expressed through constructor argument with index 0 of type [java.lang.String]: Could not convert factory method argument value of type [java.util.ArrayList] to required type [java.lang.String]: Failed to convert value of type 'java.util.ArrayList' to required type 'java.lang.String'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [java.util.ArrayList] to required type [java.lang.String]: no matching editors or conversion strategy found
TRACE DefaultListableBeanFactory - Ignoring factory method [public static javax.xml.bind.JAXBContext javax.xml.bind.JAXBContext.newInstance(java.lang.Class[],java.util.Map) throws javax.xml.bind.JAXBException] of bean 'jaxbContextNew': org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jaxbContextNew' defined in URL [file:src/main/webapp/WEB-INF/spring/app-config.xml]: Unsatisfied dependency expressed through constructor argument with index 1 of type [java.util.Map]: Ambiguous factory method argument types - did you specify the correct bean references as factory method arguments?
TRACE DefaultListableBeanFactory - Ignoring factory method [public static javax.xml.bind.JAXBContext javax.xml.bind.JAXBContext.newInstance(java.lang.String) throws javax.xml.bind.JAXBException] of bean 'jaxbContextNew': org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jaxbContextNew' defined in URL [file:src/main/webapp/WEB-INF/spring/app-config.xml]: Unsatisfied dependency expressed through constructor argument with index 0 of type [java.lang.String]: Could not convert factory method argument value of type [java.util.ArrayList] to required type [java.lang.String]: Failed to convert value of type 'java.util.ArrayList' to required type 'java.lang.String'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [java.util.ArrayList] to required type [java.lang.String]: no matching editors or conversion strategy found

Answer 1

没有JAXBContext的构造函数;你使用工厂方法。但是如果<constructor-arg>元素可以用于工厂方法ǹewInstance`，请注意该参数永远不是ArrayList。如果要在单个上下文中组合两个包，请使用String值

"com.xxx.aaa:com.xxx.bbb"

作为构造函数/工厂方法的简单String参数。

由于两个Jaxb上下文，Junit测试用例未运行

1 个答案: