Java 部署基于Jersey的Restful服务项目中的HTTPstatus 500
我最近开始学习Jersey的教程。我已经在web.xml中配置了服务/包名称,现在我得到一个javax.servlet.ServletException:servlet.init()异常,堆栈跟踪如下:Java 部署基于Jersey的Restful服务项目中的HTTPstatus 500,java,rest,tomcat,jersey,Java,Rest,Tomcat,Jersey,我最近开始学习Jersey的教程。我已经在web.xml中配置了服务/包名称,现在我得到一个javax.servlet.ServletException:servlet.init()异常,堆栈跟踪如下: exception javax.servlet.ServletException: Servlet.init() for servlet Jersey REST Service threw exception org.apache.catalina.valves.ErrorReport
exception
javax.servlet.ServletException: Servlet.init() for servlet Jersey REST Service threw exception
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
java.lang.Thread.run(Unknown Source)
root cause
com.sun.jersey.spi.inject.Errors$ErrorMessagesException
com.sun.jersey.spi.inject.Errors.processErrorMessages(Errors.java:170)
com.sun.jersey.spi.inject.Errors.postProcess(Errors.java:136)
com.sun.jersey.spi.inject.Errors.processWithErrors(Errors.java:199)
com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:771)
com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:766)
com.sun.jersey.spi.container.servlet.ServletContainer.initiate(ServletContainer.java:488)
com.sun.jersey.spi.container.servlet.ServletContainer$InternalWebComponent.initiate(ServletContainer.java:318)
com.sun.jersey.spi.container.servlet.WebComponent.load(WebComponent.java:609)
com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:210)
com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:373)
com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:556)
javax.servlet.GenericServlet.init(GenericServlet.java:212)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
java.lang.Thread.run(Unknown Source)
这是我的Jes.java类文件:
package webb;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
@Path("/Jes")
public class Jes {
@GET
@Produces(MediaType.TEXT_PLAIN)
public String sayPlainTextHello() {
return "Hello Jersey";
}
@GET
@Produces(MediaType.TEXT_PLAIN)
public String sayXMLHello() {
return "<?xml version=\"1.0\"?>" + "<hello> Hello Jersey" + "</hello>";
}
// This method is called if HTML is request
@GET
@Produces(MediaType.TEXT_HTML)
public String sayHtmlHello() {
return "<html> " + "<title>" + "Hello Jersey" + "</title>"
+ "<body><h1>" + "Hello Jersey" + "</body></h1>" + "</html> ";
}
public static void main(String[] args) {
}
}
包装网;
导入javax.ws.rs.GET;
导入javax.ws.rs.Path;
导入javax.ws.rs.products;
导入javax.ws.rs.core.MediaType;
@路径(“/Jes”)
公共类Jes{
@得到
@生成(MediaType.TEXT\u PLAIN)
公共字符串sayplantextHello(){
返回“Hello Jersey”;
}
@得到
@生成(MediaType.TEXT\u PLAIN)
公共字符串sayXMLHello(){
返回“+”Hello Jersey“+”;
}
//如果请求HTML,则调用此方法
@得到
@生成(MediaType.TEXT\u HTML)
公共字符串sayHtmlHello(){
返回“+”+“Hello Jersey”+“
+“+”你好,泽西衫“+”+“+”;
}
公共静态void main(字符串[]args){
}
}
和web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>webb</display-name>
<servlet>
<servlet-name>Jersey REST Service</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>webb</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Jersey REST Service</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
</web-app>
韦伯
泽西岛休息服务
com.sun.jersey.spi.container.servlet.ServletContainer
com.sun.jersey.config.property.packages
韦伯
1.
泽西岛休息服务
/休息/*
以下是我的应用程序设置:
Apache Tomcat 6.0Jersey-core-1.8.jar
Jersey-bundle-1.8.jar
asm-3.1.jar
JRE7
Windows 64位
->我无法找出导致此com.sun.jersey.spi.inject.Errors$ErrorMessagesException的原因,欢迎提供与类似问题相关的答案。不确定这是您的问题,似乎一切正常,但以下映射出现两次:
@GET
@Produces(MediaType.TEXT_PLAIN)
您的sayXMLHello()
应该改为使用@products(MediaType.TEXT\u XML)
进行注释