Question

我正在使用没有任何web.xml的servlet 3.1创建Jersey 2.x服务我的pom如下：

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com</groupId>
    <artifactId>testex</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>testex Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.6.2</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.core</groupId>
            <artifactId>jersey-client</artifactId>
            <version>2.22.2</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.core</groupId>
            <artifactId>jersey-server</artifactId>
            <version>2.22.2</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.6</version>
                <configuration>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                </configuration>
            </plugin>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
        <finalName>testex</finalName>
    </build>
</project>

我使用下面给出的@ApplicationPath资源配置配置了服务：

 package com.testex.service;

import javax.ws.rs.ApplicationPath;

import org.glassfish.jersey.server.ResourceConfig;

@ApplicationPath("resources")
public class TestexResourceConfig extends ResourceConfig {
    public TestexResourceConfig() {
        super();
        registerClasses(TestexService.class);
    }
}

我的服务如下：

package com.testex.service;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import com.testex.config.Config;
import com.testex.config.ConfigLoader;
import com.testex.provider.ProjectDetailsProvider;
import com.testex.provider.VersionsProvider;
import com.testex.provider.bean.Project;
import com.google.gson.Gson;

@Path("/rest")
public class TestexService {
    private final Config config;

    public TestexService() {
        super();
        config = ConfigLoader.getConfig();
    }

    @GET
    @Path("getDefaultProjectId")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getDefaultProjectId() {
        return Response.status(200).entity(new Gson().toJson(new Project(String.valueOf(config.getProjectId()))))
                .build();
    }

    @GET
    @Path("getProjectDetails")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getProjectDetails(@QueryParam("projectId") int projectId) {
        return Response.status(200).entity(new Gson().toJson(new ProjectDetailsProvider().getProjectDetails(projectId)))
                .build();
    }

    @GET
    @Path("getProjectVersionDetails")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getProjectVersionDetails(@QueryParam("projectId") int projectId) {
        return Response.status(200).entity(new Gson().toJson(new VersionsProvider().getVersionsForProject(projectId)))
                .build();
    }
}

在上下文根＆＃34; testex＆＃34;上部署到Tomcat 8时，我点击了以下网址：

http://localhost:8080/testex/resources/rest/getDefaultProjectId

但是我收到404 Not Found错误。请帮忙。

Answer 1

好吧我明白了。我需要做的就是将下面的依赖项添加到我的pom中，现在所有的工作都像魅力一样：

    <dependency>
        <groupId>org.glassfish.jersey.containers</groupId>
        <artifactId>jersey-container-servlet</artifactId>
        <version>2.22.2</version>
    </dependency>

我试图点击泽西2号服务时收到404 Not Found错误

1 个答案: