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Question

我正在尝试使用jersey创建一个嵌入jetty(而不是Java EE)的webserver,并使用REST来映射我的servlet.
我使用spring进行依赖注入,并将servlet映射为bean但是,当我尝试对映射的servlet进行HTTP req时,我得到错误500服务器错误,或404,找不到页面.
我不确定我是否以正确的方式这样做,我应该使用jetty.xml而不是这个.(想知道是否有使用jetty.xml的shorcut)

<bean id="contexts"
    class="org.eclipse.jetty.server.handler.ContextHandlerCollection">
</bean>

<bean id="server" class="org.mortbay.jetty.spring.Server"
    init-method="start" destroy-method="stop">
    <property name="threadPool">
        <bean id="ThreadPool" class="org.eclipse.jetty.util.thread.QueuedThreadPool">
            <property name="minThreads" value="10" />
            <property name="maxThreads" value="50" />
        </bean>
    </property>
    <property name="connectors">
        <list>
            <bean id="Connector" class="org.eclipse.jetty.server.nio.SelectChannelConnector">
                <property name="port" value="8080" />
            </bean>
        </list>
    </property>
    <property name="handler">
        <bean id="handlers" class="org.eclipse.jetty.server.handler.HandlerCollection">
            <property name="handlers">
                <list>
                    <ref bean="contexts" />
                    <bean class="org.eclipse.jetty.server.handler.ResourceHandler">
                        <property name="directoriesListed" value="true" />
                        <property name="welcomeFiles">
                            <list>
                                <value>index.jsp</value>
                            </list>
                        </property>
                        <property name="resourceBase" value="./WebContent" />
                    </bean>
                    <bean id="myServletHandler" class="org.eclipse.jetty.servlet.ServletHandler">
                        <property name="servlets">
                            <list>
                                <bean id="jerseyServletContainer" class="org.eclipse.jetty.servlet.ServletHolder">
                                    <property name="name" value="jersey" />
                                    <property name="servlet">
                                        <bean class="com.sun.jersey.spi.container.servlet.ServletContainer" />
                                    </property>
                                    <property name="initParameters">
                                        <map>
                                             <entry key="com.sun.jersey.config.property.resourceConfigClass"
                                                value="com.sun.jersey.api.core.PackagesResourceConfig" />
                                            <entry key="com.sun.jersey.config.property.packages"
                                                value="servlets" /> 
                                        </map>
                                    </property>

                                </bean>
                            </list>
                        </property>

                        <property name="servletMappings">
                            <list>

                                <bean id="jerseyMapping" class="org.eclipse.jetty.servlet.ServletMapping">
                                    <property name="servletName" value="jersey" />
                                    <property name="pathSpec" value="/*" />
                                </bean>


                            </list>
                        </property>
                    </bean>
                </list>
            </property>
        </bean>
    </property>
    <property name="beans">
        <list>
            <bean id="ContextDeployer" class="org.eclipse.jetty.deploy.ContextDeployer">
                <property name="contexts" ref="contexts" />
                <property name="directory" value="contexts" />
                <property name="scanInterval" value="5" />
            </bean>
        </list>
    </property>
</bean>

package servlets;

import javax.ws.rs.GET;

import javax.ws.rs.Path;
import javax.ws.rs.Produces;

@Path("/nothing")
public class doNothing
{
    @GET
    @Produces("text/plain")
    public String returnNothing()
    {
        return ("test");
    }


}

我在servlets包中有一个类:DoNothing.java

<bean id="contexts"
    class="org.eclipse.jetty.server.handler.ContextHandlerCollection">
</bean>

<bean id="server" class="org.mortbay.jetty.spring.Server"
    init-method="start" destroy-method="stop">
    <property name="threadPool">
        <bean id="ThreadPool" class="org.eclipse.jetty.util.thread.QueuedThreadPool">
            <property name="minThreads" value="10" />
            <property name="maxThreads" value="50" />
        </bean>
    </property>
    <property name="connectors">
        <list>
            <bean id="Connector" class="org.eclipse.jetty.server.nio.SelectChannelConnector">
                <property name="port" value="8080" />
            </bean>
        </list>
    </property>
    <property name="handler">
        <bean id="handlers" class="org.eclipse.jetty.server.handler.HandlerCollection">
            <property name="handlers">
                <list>
                    <ref bean="contexts" />
                    <bean class="org.eclipse.jetty.server.handler.ResourceHandler">
                        <property name="directoriesListed" value="true" />
                        <property name="welcomeFiles">
                            <list>
                                <value>index.jsp</value>
                            </list>
                        </property>
                        <property name="resourceBase" value="./WebContent" />
                    </bean>
                    <bean id="myServletHandler" class="org.eclipse.jetty.servlet.ServletHandler">
                        <property name="servlets">
                            <list>
                                <bean id="jerseyServletContainer" class="org.eclipse.jetty.servlet.ServletHolder">
                                    <property name="name" value="jersey" />
                                    <property name="servlet">
                                        <bean class="com.sun.jersey.spi.container.servlet.ServletContainer" />
                                    </property>
                                    <property name="initParameters">
                                        <map>
                                             <entry key="com.sun.jersey.config.property.resourceConfigClass"
                                                value="com.sun.jersey.api.core.PackagesResourceConfig" />
                                            <entry key="com.sun.jersey.config.property.packages"
                                                value="servlets" /> 
                                        </map>
                                    </property>

                                </bean>
                            </list>
                        </property>

                        <property name="servletMappings">
                            <list>

                                <bean id="jerseyMapping" class="org.eclipse.jetty.servlet.ServletMapping">
                                    <property name="servletName" value="jersey" />
                                    <property name="pathSpec" value="/*" />
                                </bean>


                            </list>
                        </property>
                    </bean>
                </list>
            </property>
        </bean>
    </property>
    <property name="beans">
        <list>
            <bean id="ContextDeployer" class="org.eclipse.jetty.deploy.ContextDeployer">
                <property name="contexts" ref="contexts" />
                <property name="directory" value="contexts" />
                <property name="scanInterval" value="5" />
            </bean>
        </list>
    </property>
</bean>

世界上我做错了什么？或者我应该问世界上我做得对吗？

谢谢

Answer 1

我正在寻找一种使用 Jersey+Spring+Embedded Jetty 的方法，并发现了这个问题。我尝试了你的方法，确实有效。

如果你想在你的资源中实际使用 Spring beans，你可以使用 jersey-spring：

<bean id="server" class="org.mortbay.jetty.Server" destroy-method="stop">
    <property name="connectors">
        <list>
            <bean id="Connector" class="org.mortbay.jetty.nio.SelectChannelConnector">
                 <property name="port" value="8080"/>
            </bean>
        </list>
    </property>
    <property name="handlers">
        <list>
            <bean class="org.mortbay.jetty.servlet.Context">
                <property name="contextPath" value="/"/>
                <property name="sessionHandler">
                    <bean class="org.mortbay.jetty.servlet.SessionHandler" />
                </property>
                <property name="servletHandler">
                    <bean class="org.mortbay.jetty.servlet.ServletHandler">
                        <property name="servlets">
                            <list>
                                <bean class="org.mortbay.jetty.servlet.ServletHolder">
                                    <property name="name" value="jersey" />
                                    <property name="servlet">
                                        <bean class="com.sun.jersey.spi.spring.container.servlet.SpringServlet" />
                                    </property>
                                    <property name="initParameters">
                                         <map>
                                         <entry key="com.sun.jersey.spi.container.ContainerRequestFilters"
                                            value="com.sun.jersey.api.container.filter.LoggingFilter" />
                                        <entry key="com.sun.jersey.spi.container.ContainerResponseFilters"
                                            value="com.sun.jersey.api.container.filter.LoggingFilter" />
                                    </map>
                                    </property>

                                </bean>
                            </list>
                        </property>
                        <property name="servletMappings">
                            <list>
                                <bean class="org.mortbay.jetty.servlet.ServletMapping">
                                    <property name="servletName" value="jersey"/>
                                    <property name="pathSpecs">
                                        <list>
                                            <value>/*</value>
                                        </list>
                                    </property>
                                </bean>
                            </list>
                        </property>
                    </bean>
                </property>
                <property name="eventListeners">
                    <list>
                        <bean id="requestContextListener" class="org.springframework.web.context.request.RequestContextListener"/>
                        <bean id="contextLoaderListener" class="org.springframework.web.context.ContextLoaderListener"/>
                    </list>
                </property>
                <property name="initParams">
                    <map>
                        <entry key="contextConfigLocation" value="classpath:META-INF/AdditionalBeansContext.xml"/>
                    </map>
                </property>
            </bean><!--
        --></list>
    </property>
</bean>

在文件AdditionalBeansContext.xml中：

然后使用 @Component 注释定义您的资源，使用 @Autowired 注入 bean