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配置嵌入式Jetty支持注解Servlet和JSP和打包成jar配置_jetty支持jsp

作者：我家自动化 | 2024-02-21 14:31:10

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jetty支持jsp

目录结构

  1. │  pom.xml
  2. │
  3. └─src
  4.     ├─main
  5.     │  ├─java
  6.     │  │  └─com
  7.     │  │      └─example
  8.     │  │              EmbeddedJettyWebApp.java
  9.     │  │              HelloWorldServlet.java
  10.     │  │
  11.     │  ├─resources
  12.     │  └─webapp
  13.     │      │  index.jsp
  14.     │      │
  15.     │      └─WEB-INF
  16.     └─test
  17.         └─java

pom.xml

  1. <project xmlns="http://maven.apache.org/POM/4.0.0"
  2.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  4.     <modelVersion>4.0.0</modelVersion>
  5.  
  6.     <groupId>com.example</groupId>
  7.     <artifactId>web-app-embedded-jetty-9</artifactId>
  8.     <version>0.0.1-SNAPSHOT</version>
  9.     <packaging>jar</packaging>
  10.  
  11.     <properties>
  12.         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  13.         <maven.compiler.source>1.8</maven.compiler.source>
  14.         <maven.compiler.target>1.8</maven.compiler.target>
  15.     </properties>
  16.  
  17.     <dependencies>
  18.         <dependency>
  19.             <groupId>javax.servlet</groupId>
  20.             <artifactId>javax.servlet-api</artifactId>
  21.             <version>3.1.0</version>
  22.         </dependency>
  23.  
  24.  
  25.  
  26.  
  27.         <!-- Jetty Server -->
  28.         <dependency>
  29.             <groupId>org.eclipse.jetty</groupId>
  30.             <artifactId>jetty-server</artifactId>
  31.             <version>9.4.35.v20201120</version>
  32.         </dependency>
  33.  
  34.         <dependency>
  35.             <groupId>org.eclipse.jetty</groupId>
  36.             <artifactId>jetty-servlet</artifactId>
  37.             <version>9.4.35.v20201120</version>
  38.         </dependency>
  39.  
  40.         <dependency>
  41.             <groupId>org.eclipse.jetty</groupId>
  42.             <artifactId>jetty-webapp</artifactId>
  43.             <version>9.4.35.v20201120</version>
  44.         </dependency>
  45.  
  46.         <dependency>
  47.             <groupId>org.eclipse.jetty</groupId>
  48.             <artifactId>jetty-annotations</artifactId>
  49.             <version>9.4.35.v20201120</version>
  50.         </dependency>
  51.  
  52.         <!--jsp support for jetty -->
  53.         <dependency>
  54.             <groupId>org.eclipse.jetty</groupId>
  55.             <artifactId>apache-jsp</artifactId>
  56.             <version>9.4.45.v20220203</version>
  57.         </dependency>
  58.  
  59.         <dependency>
  60.             <groupId>org.eclipse.jetty</groupId>
  61.             <artifactId>apache-jstl</artifactId>
  62.             <version>9.4.45.v20220203</version>
  63.         </dependency>
  64.  
  65.  
  66.     </dependencies>
  67.  
  68.     <build>
  69.         <plugins>
  70.             <plugin>
  71.                 <groupId>org.apache.maven.plugins</groupId>
  72.                 <artifactId>maven-compiler-plugin</artifactId>
  73.                 <version>3.8.1</version>
  74.             </plugin>
  75.  
  76.             <plugin>
  77.                 <groupId>org.eclipse.jetty</groupId>
  78.                 <artifactId>jetty-maven-plugin</artifactId>
  79.                 <version>9.4.45.v20220203</version>
  80.             </plugin>
  81.         </plugins>
  82.     </build>
  83. </project>

EmbeddedJettyWebApp.java

  1. package com.example;
  2.  
  3. import org.eclipse.jetty.annotations.AnnotationConfiguration;
  4. import org.eclipse.jetty.plus.webapp.EnvConfiguration;
  5. import org.eclipse.jetty.plus.webapp.PlusConfiguration;
  6. import org.eclipse.jetty.server.NetworkTrafficServerConnector;
  7. import org.eclipse.jetty.server.Server;
  8. import org.eclipse.jetty.util.thread.QueuedThreadPool;
  9. import org.eclipse.jetty.util.thread.ThreadPool;
  10. import org.eclipse.jetty.webapp.Configuration;
  11. import org.eclipse.jetty.webapp.FragmentConfiguration;
  12. import org.eclipse.jetty.webapp.MetaInfConfiguration;
  13. import org.eclipse.jetty.webapp.WebAppContext;
  14. import org.eclipse.jetty.webapp.WebInfConfiguration;
  15. import org.eclipse.jetty.webapp.WebXmlConfiguration;
  16.  
  17. public class EmbeddedJettyWebApp {
  18.  
  19.     public static void main(String[] args) throws Exception {
  20.         Server server = new Server(createThreadPool());
  21.  
  22.         NetworkTrafficServerConnector connector = new NetworkTrafficServerConnector(server);
  23.         connector.setPort(9090);
  24.         connector.setHost("localhost");
  25.  
  26.         server.addConnector(connector);
  27.  
  28.         WebAppContext webAppContext = new WebAppContext();
  29.         webAppContext.setContextPath("/");
  30.         webAppContext.setResourceBase("src/main/webapp");
  31.  
  32.         webAppContext.setConfigurations(new Configuration[]{
  33.             new AnnotationConfiguration(), new WebXmlConfiguration(),
  34.             new WebInfConfiguration(), new PlusConfiguration(),
  35.             new MetaInfConfiguration(), new FragmentConfiguration(),
  36.             new EnvConfiguration()
  37.         });
  38.  
  39.         webAppContext.setAttribute(
  40.                 "org.eclipse.jetty.server.webapp.ContainerIncludeJarPattern",
  41.                 ".*/target/classes/|.*\\.jar");
  42.  
  43.         webAppContext.setParentLoaderPriority(true);
  44.  
  45.         server.setHandler(webAppContext);
  46.  
  47.         server.setStopAtShutdown(true);
  48.  
  49.         server.start();
  50.         server.join();
  51.     }
  52.  
  53.     private static ThreadPool createThreadPool() {
  54.         QueuedThreadPool threadPool = new QueuedThreadPool(5);
  55.         return threadPool;
  56.     }
  57. }

HelloWorldServlet.java

  1. package com.example;
  2.  
  3. import javax.servlet.ServletException;
  4. import javax.servlet.http.HttpServlet;
  5. import javax.servlet.http.HttpServletRequest;
  6. import javax.servlet.http.HttpServletResponse;
  7. import java.io.IOException;
  8. import java.io.PrintWriter;
  9. import javax.servlet.annotation.WebServlet;
  10.  
  11. @WebServlet("/HelloWorld")
  12. public class HelloWorldServlet extends HttpServlet {
  13.  
  14.     public void doGet(HttpServletRequest request,
  15.             HttpServletResponse response) throws ServletException, IOException {
  16.         response.setContentType("text/html");
  17.         PrintWriter out = response.getWriter();
  18.         out.println("<h1>Hello World</h1>");
  19.         out.close();
  20.     }
  21.  
  22. }

index.jsp

  1. <!DOCTYPE html>
  2. <html>
  3.     <body>
  4.         <p>
  5.             Today's date: <%= (new java.util.Date()).toLocaleString() %>
  6.         </p>
  7.     </body>
  8. </html>

如果需要打包成jar运行，需要修改：

pom.xml

  1. <project xmlns="http://maven.apache.org/POM/4.0.0"
  2.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  4.     <modelVersion>4.0.0</modelVersion>
  5.  
  6.     <groupId>com.example</groupId>
  7.     <artifactId>web-app-embedded-jetty-9</artifactId>
  8.     <version>0.0.1-SNAPSHOT</version>
  9.     <packaging>jar</packaging>
  10.  
  11.     <properties>
  12.         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  13.         <maven.compiler.source>1.8</maven.compiler.source>
  14.         <maven.compiler.target>1.8</maven.compiler.target>
  15.     </properties>
  16.  
  17.     <dependencies>
  18.         <dependency>
  19.             <groupId>javax.servlet</groupId>
  20.             <artifactId>javax.servlet-api</artifactId>
  21.             <version>3.1.0</version>
  22.         </dependency>
  23.  
  24.  
  25.  
  26.  
  27.         <!-- Jetty Server -->
  28.         <dependency>
  29.             <groupId>org.eclipse.jetty</groupId>
  30.             <artifactId>jetty-server</artifactId>
  31.             <version>9.4.35.v20201120</version>
  32.         </dependency>
  33.  
  34.         <dependency>
  35.             <groupId>org.eclipse.jetty</groupId>
  36.             <artifactId>jetty-servlet</artifactId>
  37.             <version>9.4.35.v20201120</version>
  38.         </dependency>
  39.  
  40.         <dependency>
  41.             <groupId>org.eclipse.jetty</groupId>
  42.             <artifactId>jetty-webapp</artifactId>
  43.             <version>9.4.35.v20201120</version>
  44.         </dependency>
  45.  
  46.         <dependency>
  47.             <groupId>org.eclipse.jetty</groupId>
  48.             <artifactId>jetty-annotations</artifactId>
  49.             <version>9.4.35.v20201120</version>
  50.         </dependency>
  51.  
  52.         <!--jsp support for jetty -->
  53.         <dependency>
  54.             <groupId>org.eclipse.jetty</groupId>
  55.             <artifactId>apache-jsp</artifactId>
  56.             <version>9.4.45.v20220203</version>
  57.         </dependency>
  58.  
  59.         <dependency>
  60.             <groupId>org.eclipse.jetty</groupId>
  61.             <artifactId>apache-jstl</artifactId>
  62.             <version>9.4.45.v20220203</version>
  63.         </dependency>
  64.  
  65.  
  66.     </dependencies>
  67.  
  68.     <build>
  69.         <resources>
  70.  
  71.             <resource>
  72.                 <directory>src/main/webapp</directory>
  73.                 <targetPath>src/main/webapp</targetPath>
  74.                 <includes>
  75.                     <include>**/**</include>
  76.                 </includes>
  77.             </resource>
  78.  
  79.         </resources>
  80.         <plugins>
  81.             <plugin>
  82.                 <groupId>org.apache.maven.plugins</groupId>
  83.                 <artifactId>maven-assembly-plugin</artifactId>
  84.                 <version>3.1.1</version>
  85.  
  86.                 <configuration>
  87.                     <descriptorRefs>
  88.                         <descriptorRef>jar-with-dependencies</descriptorRef>
  89.                     </descriptorRefs>
  90.                     <archive>
  91.                         <manifest>
  92.                             <mainClass>com.example.EmbeddedJettyWebApp</mainClass>
  93.                         </manifest>
  94.                     </archive>
  95.                 </configuration>
  96.  
  97.                 <executions>
  98.                     <execution>
  99.                         <id>make-assembly</id>
  100.                         <phase>package</phase>
  101.                         <goals>
  102.                             <goal>single</goal>
  103.                         </goals>
  104.                     </execution>
  105.                 </executions>
  106.  
  107.             </plugin>
  108.             <plugin>
  109.                 <groupId>org.apache.maven.plugins</groupId>
  110.                 <artifactId>maven-compiler-plugin</artifactId>
  111.                 <version>3.8.1</version>
  112.             </plugin>
  113.  
  114.             <plugin>
  115.                 <groupId>org.eclipse.jetty</groupId>
  116.                 <artifactId>jetty-maven-plugin</artifactId>
  117.                 <version>9.4.45.v20220203</version>
  118.             </plugin>
  119.         </plugins>
  120.     </build>
  121. </project>

EmbeddedJettyWebApp.java

  1. package com.example;
  2.  
  3. import java.io.InputStream;
  4. import java.net.URL;
  5. import org.eclipse.jetty.annotations.AnnotationConfiguration;
  6. import org.eclipse.jetty.plus.webapp.EnvConfiguration;
  7. import org.eclipse.jetty.plus.webapp.PlusConfiguration;
  8. import org.eclipse.jetty.server.NetworkTrafficServerConnector;
  9. import org.eclipse.jetty.server.Server;
  10. import org.eclipse.jetty.util.thread.QueuedThreadPool;
  11. import org.eclipse.jetty.util.thread.ThreadPool;
  12. import org.eclipse.jetty.webapp.Configuration;
  13. import org.eclipse.jetty.webapp.FragmentConfiguration;
  14. import org.eclipse.jetty.webapp.MetaInfConfiguration;
  15. import org.eclipse.jetty.webapp.WebAppContext;
  16. import org.eclipse.jetty.webapp.WebInfConfiguration;
  17. import org.eclipse.jetty.webapp.WebXmlConfiguration;
  18.  
  19. public class EmbeddedJettyWebApp {
  20.  
  21.     public static void main(String[] args) throws Exception {
  22.         Server server = new Server(createThreadPool());
  23.  
  24.         NetworkTrafficServerConnector connector = new NetworkTrafficServerConnector(server);
  25.         connector.setPort(9090);
  26.         connector.setHost("localhost");
  27.  
  28.         server.addConnector(connector);
  29.  
  30.         WebAppContext webAppContext = new WebAppContext();
  31.         webAppContext.setContextPath("/");
  32.         String webDir = EmbeddedJettyWebApp.class.getClassLoader().getResource("src/main/webapp").toExternalForm();
  33.  
  34.         webAppContext.setResourceBase(webDir);
  35.         System.out.println("ResourceBase:" + webAppContext.getResourceBase());
  36.  
  37.         webAppContext.setConfigurations(new Configuration[]{
  38.             new AnnotationConfiguration(), new WebXmlConfiguration(),
  39.             new WebInfConfiguration(), new PlusConfiguration(),
  40.             new MetaInfConfiguration(), new FragmentConfiguration(),
  41.             new EnvConfiguration()
  42.         });
  43.  
  44.         webAppContext.setAttribute(
  45.                 "org.eclipse.jetty.server.webapp.ContainerIncludeJarPattern",
  46.                 ".*/target/classes/|.*\\.jar");
  47.  
  48.         webAppContext.setParentLoaderPriority(true);
  49.  
  50.         server.setHandler(webAppContext);
  51.  
  52.         server.setStopAtShutdown(true);
  53.  
  54.         server.start();
  55.         server.join();
  56.     }
  57.  
  58.     private static ThreadPool createThreadPool() {
  59.         QueuedThreadPool threadPool = new QueuedThreadPool(5);
  60.         return threadPool;
  61.     }
  62. }

对于WEB-INF\lib下有jar库的情况时，不太容易处理fat jar里的目录，建议不使用java -jar xxx.jar运行，而是打fat jar 包后解压再运行，此时

EmbeddedJettyWebApp.java

  1. package com.example;
  2.  
  3. import java.io.InputStream;
  4. import java.net.URL;
  5. import org.eclipse.jetty.annotations.AnnotationConfiguration;
  6. import org.eclipse.jetty.plus.webapp.EnvConfiguration;
  7. import org.eclipse.jetty.plus.webapp.PlusConfiguration;
  8. import org.eclipse.jetty.server.NetworkTrafficServerConnector;
  9. import org.eclipse.jetty.server.Server;
  10. import org.eclipse.jetty.util.thread.QueuedThreadPool;
  11. import org.eclipse.jetty.util.thread.ThreadPool;
  12. import org.eclipse.jetty.webapp.Configuration;
  13. import org.eclipse.jetty.webapp.FragmentConfiguration;
  14. import org.eclipse.jetty.webapp.MetaInfConfiguration;
  15. import org.eclipse.jetty.webapp.WebAppContext;
  16. import org.eclipse.jetty.webapp.WebInfConfiguration;
  17. import org.eclipse.jetty.webapp.WebXmlConfiguration;
  18.  
  19. public class EmbeddedJettyWebApp {
  20.  
  21.     public static void main(String[] args) throws Exception {
  22.         Server server = new Server(createThreadPool());
  23.  
  24.         NetworkTrafficServerConnector connector = new NetworkTrafficServerConnector(server);
  25.         connector.setPort(9090);
  26.         connector.setHost("localhost");
  27.  
  28.         server.addConnector(connector);
  29.  
  30.         WebAppContext webAppContext = new WebAppContext();
  31.         webAppContext.setContextPath("/");
  32.         webAppContext.setResourceBase("src/main/webapp");
  33.         System.out.println("ResourceBase:" + webAppContext.getResourceBase());
  34.  
  35.         webAppContext.setConfigurations(new Configuration[]{
  36.             new AnnotationConfiguration(), new WebXmlConfiguration(),
  37.             new WebInfConfiguration(), new PlusConfiguration(),
  38.             new MetaInfConfiguration(), new FragmentConfiguration(),
  39.             new EnvConfiguration()
  40.         });
  41.  
  42.         webAppContext.setAttribute(
  43.                 "org.eclipse.jetty.server.webapp.ContainerIncludeJarPattern",
  44.                 ".*/target/classes/|.*\\.jar");
  45.  
  46.         webAppContext.setParentLoaderPriority(true);
  47.  
  48.         server.setHandler(webAppContext);
  49.  
  50.         server.setStopAtShutdown(true);
  51.  
  52.         server.start();
  53.         server.join();
  54.     }
  55.  
  56.     private static ThreadPool createThreadPool() {
  57.         QueuedThreadPool threadPool = new QueuedThreadPool(5);
  58.         return threadPool;
  59.     }
  60. }

在解开包后的文件夹根目录，运行命令，如：

F:\web-app-embedded-jetty-jspmon\target\web-app-embedded-jetty-jspmon-0.0.1-SNAPSHOT-jar-with-dependencies>java com.example.EmbeddedJettyWebApp

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