spring-mvc - 在 Spring 4 MVC 中找不到 WebApplicationContext : no ContextLoaderListener registered?

标签 spring-mvc tomcat7

<分区>

我有典型的应用程序 Spring 和 Hibernate 使用基于注释的配置(Spring 4 MVC+Hibernate 4+MySQL+Maven 集成)。

这是我的课:

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;

import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;

public class AppInitializer implements WebApplicationInitializer {

    public void onStartup(ServletContext container) throws ServletException {

        AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
        ctx.register(AppConfig.class);
        ctx.setServletContext(container);

        ServletRegistration.Dynamic servlet = container.addServlet(
                "dispatcher", new DispatcherServlet(ctx));

        servlet.setLoadOnStartup(1);
        servlet.addMapping("/");
    }

}

上面的内容类似于 web.xml 的内容,因为我们使用的是前端 Controller DispatherServler,分配映射(xml 中的 url-pattern)而不是提供 spring 配置文件(spring-servlet.xml)的路径,这里我们注册配置类。

java.lang.IllegalStateException: No WebApplicationContext found: no ContextLoaderListener registered?
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:252)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
    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:170)
    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:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)

我已经将相同的 war 上传到另一个 tomcat 7 并且它有效!在我的 tomcat 中,其他应用程序如 http://localhost:8080/examples/效果也很好。奇怪

最佳答案

public class AppInitializer implements WebApplicationInitializer{
@Override
public void onStartup(ServletContext servletContext) throws ServletException {
    AnnotationConfigWebApplicationContext webApplicationContext = null;
    webApplicationContext = new AnnotationConfigWebApplicationContext();
    webApplicationContext.setConfigLocation("//write the package name pointing to configuration classes 
like webApplicationConfig and RootWebApplicationConfig classes//");

    DispatcherServlet dispatcherServlet = null;
    dispatcherServlet = new DispatcherServlet(webApplicationContext);

    ServletRegistration.Dynamic servlet = servletContext.addServlet("dispatcher", dispatcherServlet);
    servlet.addMapping("*.mvc");
    servlet.setLoadOnStartup(2);
}

关于spring-mvc - 在 Spring 4 MVC 中找不到 WebApplicationContext : no ContextLoaderListener registered?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33861168/

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