ResourceConfig 实例不包含任何根资源类

本文介绍了ResourceConfig 实例不包含任何根资源类的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

What's going wrong here?

The ResourceConfig instance does not contain any root resource classes.
Dec 10, 2010 10:21:24 AM com.sun.jersey.spi.spring.container.servlet.SpringServlet initiate
SEVERE: Exception occurred when intialization
com.sun.jersey.api.container.ContainerException: The ResourceConfig instance does not contain any root resource classes.
        at com.sun.jersey.server.impl.application.RootResourceUriRules.<init>(RootResourceUriRules.java:103)
        at com.sun.jersey.server.impl.application.WebApplicationImpl._initiate(WebApplicationImpl.java:1182)
        at com.sun.jersey.server.impl.application.WebApplicationImpl.access$600(WebApplicationImpl.java:161)
        at com.sun.jersey.server.impl.application.WebApplicationImpl$12.f(WebApplicationImpl.java:698)
        at com.sun.jersey.server.impl.application.WebApplicationImpl$12.f(WebApplicationImpl.java:695)
        at com.sun.jersey.spi.inject.Errors.processWithErrors(Errors.java:197)
        at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:695)
        at com.sun.jersey.spi.spring.container.servlet.SpringServlet.initiate(SpringServlet.java:117)

Filter:

<filter>
    <filter-name>JerseyFilter</filter-name>
    <filter-class>com.sun.jersey.spi.spring.container.servlet.SpringServlet</filter-class>

    <init-param>
        <param-name>com.sun.jersey.config.feature.Redirect</param-name>
        <param-value>true</param-value>
    </init-param>

    <init-param>
        <param-name>com.sun.jersey.config.property.JSPTemplatesBasePath</param-name>
        <param-value>/views/</param-value>
    </init-param>

    <init-param>
        <param-name>com.sun.jersey.config.property.WebPageContentRegex</param-name>
        <param-value>/(images|css|jsp)/.*</param-value>
    </init-param>
</filter>

<filter-mapping>
    <filter-name>JerseyFilter</filter-name>
    <url-pattern>/myresource/*</url-pattern>
</filter-mapping>

Code:

@Path ("/admin")
public class AdminUiResource {

  @GET
  @Produces ("text/html")
  @Path ("/singup")
  public Viewable getSignUp () {
    return new Viewable("/public/signup", "Test");
  }
}

解决方案

Basically I corrected it like below and everything worked fine.

<servlet>
    <servlet-name >MyWebApplication</servlet-name>
    <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
    <init-param>
        <param-name>com.sun.jersey.config.feature.Redirect</param-name>
        <param-value>true</param-value>
    </init-param>
    <init-param>
        <param-name>com.sun.jersey.config.property.JSPTemplatesBasePath</param-name>
        <param-value>/views/</param-value>
    </init-param>
    <init-param>
        <param-name>com.sun.jersey.config.property.WebPageContentRegex</param-name>
        <param-value>/(images|css|jsp)/.*</param-value>
    </init-param>
</servlet>

<servlet-mapping>
    <servlet-name>MyWebApplication</servlet-name>
    <url-pattern>/myapp/*</url-pattern>
</servlet-mapping>

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