尝试使用 Java 11 中的嵌入式 Jetty 服务器编写简单的休息 Web 服务。在 Java 11 中启动嵌入式 Jetty 服务器时导致此异常。
但是相同的代码在 Java 8 中工作
异常
11:41:18 PM:正在执行任务':EmbeddedJettyService.main()'...
任务:编译Java 任务:processResources NO-SOURCE 任务:课程
任务:EmbeddedJettyService.main() <<<<< Starting Embedded Jetty Service >>>>> 启动 Jettyjavax.servlet.ServletException 时发生错误:org.glassfish.jersey.servlet.ServletContainer-52aa2946@5a84fc94==org.glassfish.jersey.servlet.ServletContainer,jsp=null,order=0,inst=false
1秒内成功 2 个可操作任务:2 个已执行 log4j:WARN 找不到记录器 (org.eclipse.jetty.util.log) 的附加程序。 log4j:WARN 请正确初始化 log4j 系统。 log4j:WARN 有关详细信息,请参阅http://logging.apache.org/log4j/1.2/faq.html#noconfig。 11:41:25 PM:任务执行完成 ':EmbeddedJettyService.main()'。
build.gradle
plugins {
id 'java'
id 'com.github.johnrengelman.shadow' version '5.2.0'
}
repositories {
jcenter()
}
sourceCompatibility = 11
repositories {
jcenter()
mavenCentral()
}
dependencies {
implementation "org.slf4j:slf4j-api:1.7.25"
implementation 'org.slf4j:slf4j-log4j12:1.7.25'
implementation group: 'org.eclipse.jetty', name: 'jetty-server', version: '9.4.9.v20180320'
implementation group: 'org.eclipse.jetty', name: 'jetty-servlet', version: '9.4.9.v20180320'
implementation group: 'org.glassfish.jersey.containers', name: 'jersey-container-servlet-core', version: '2.25.1'
implementation group: 'org.glassfish.jersey.media', name: 'jersey-media-json-jackson', version: '2.25.1'
implementation group: 'com.sun.jersey', name: 'jersey-json', version: '1.19.4'
implementation group: 'com.sun.jersey', name: 'jersey-servlet', version: '1.19.4'
}
主课:
package com.test.main;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.glassfish.jersey.servlet.ServletContainer;
public class EmbeddedJettyService {
public static void main(String[] args) {
startServer();
}
public static void startServer() {
System.out.println("<<<<< Starting Embedded Jetty Service >>>>>");
Server server = new Server(8080);
ServletContextHandler servletContextHandler = new ServletContextHandler(ServletContextHandler.NO_SESSIONS);
servletContextHandler.setContextPath("/");
server.setHandler(servletContextHandler);
ServletHolder servletHolder =
servletContextHandler.addServlet(ServletContainer.class, "/controller/*");
/* servlet init order - 0 refers init On Startup */
servletHolder.setInitOrder(0);
/* servlet init order - 0 refers init On Startup */
servletHolder.setInitOrder(0);
servletHolder.setInitParameter("jersey.config.server.provider.packages",
"com.test.resource");
try {
server.start();
server.join();
} catch (Exception ex) {
System.out.println("Error occurred while starting Jetty" +ex);
}
finally {
try {
server.stop();
server.destroy();
} catch (Exception e) {
System.out.println("Error during server starting " +e);
}
}
}
}
资源:
package com.test.resource;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.ApplicationPath;
import javax.ws.rs.core.Application;
@Path("/health")
public class HelloResource {
@GET
public String JettyPocResponse() {
return "Hello from Embedded Jetty!!!";
}
}
我被阻止了。你想出来了吗?