【发布时间】:2016-03-23 14:17:57
【问题描述】:
我是 SOAP Web 服务的新手。我正在开发一些项目,该项目使用 Spring 框架进行依赖注入,使用 JAX WS 创建端点并执行一些操作。
我在创建端点的类中使用依赖注入。 当我运行应用程序时,出现以下错误。
这是堆栈跟踪
No qualifying bean of type [com.wex.gbp.service.EmployeeService] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true), @org.springframework.beans.factory.annotation.Qualifier(value=employeeService)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1100)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:960)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:855)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:480)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.processInjection(AutowiredAnnotationBeanPostProcessor.java:307)
at org.springframework.web.context.support.SpringBeanAutowiringSupport.processInjectionBasedOnCurrentContext(SpringBeanAutowiringSupport.java:85)
at org.springframework.web.context.support.SpringBeanAutowiringSupport.<init>(SpringBeanAutowiringSupport.java:68)
at com.wex.gbp.business.common.ws.endpoints.LookUpServiceEndpoint.<init>(LookUpServiceEndpoint.java:27)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at java.lang.Class.newInstance(Class.java:442)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:116)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1148)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:864)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:134)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
这就是我创建终点的地方。
@WebService(serviceName = "LookUpServiceBeanService", portName = "LookUpServiceBeanPort", name = "LookUpService", targetNamespace = "http://namespaceurl.com/")
@SOAPBinding(style = Style.DOCUMENT)
@HandlerChain(file = "chain.xml")
@Component
public class LookUpServiceEndpoint extends SpringBeanAutowiringSupport {
private static final Logger LOGGER = LoggerFactory.getLogger(LookUpServiceEndpoint.class);
@Autowired
@Qualifier(value="employeeService")
private EmployeeService employeeService;
// Other methods
}
我确实有具有相同限定符名称的服务类。 而我的 web.xml 包含
<servlet>
<servlet-name>LookUpService</servlet-name>
<servlet-class>com.ws.endpoints.LookUpServiceEndpoint</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LookUpService</servlet-name>
<url-pattern>/services/LookUpService</url-pattern>
</servlet-mapping>
当我尝试访问网址“http://localhost:8080/Project_WSDL/services/LookUpService?wsdl”时,出现错误。
请帮我解决这个问题?
【问题讨论】:
-
该错误与网络服务无关。只是 Spring 出于某种原因无法找到具有该名称的 bean。您能否为 EmployeeService 接口和 EmployeeServiceImpl(或任何具体类的名称)类添加代码,包括它们上的所有注释?
-
是的。我在想 webservice 类在 Spring 上下文之前加载。所以服务类还不能自动装配。但我无法弄清楚如何在 web 服务类之前加载 spring 上下文。
-
您可以在 jax-ws 之前加载 Spring 侦听器。你有xml或java配置吗?您使用的是哪个服务器?