5
我已經在doGet主體中創建了一個只有一個System.out.println()方法的簡單servlet,但是當我在Tomcat中運行它時7使用IntelliJ Idea 12我得到System.out.println()方法打印兩次的消息。doGet方法在Tomcat 7中運行的servlet中調用兩次,並使用IntelliJ Idea 12創建
這是我的web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<servlet>
<description>A simple servlet</description>
<display-name>SimpleServlet</display-name>
<servlet-name>SimpleServlet</servlet-name>
<servlet-class>org.skiabox.myservlet.SimpleServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>SimpleServlet</servlet-name>
<url-pattern>/SimpleServletPath</url-pattern>
</servlet-mapping>
</web-app>
這是SimpleServlet.java:
package org.skiabox.myservlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class SimpleServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println("Hello from GET method.");
}
}
這是SimpleServletProject.iml:
<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="web" name="Web">
<configuration>
<descriptors>
<deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/web/WEB-INF/web.xml" />
</descriptors>
<webroots>
<root url="file://$MODULE_DIR$/web" relative="/SimpleServletProject" />
</webroots>
</configuration>
</facet>
</component>
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" scope="PROVIDED" name="Tomcat 7.0" level="application_server_libraries" />
</component>
</module>
..和這是一個Tomcat 7設置圖像:
發生這種情況是因爲在啓動服務器以檢查應用程序部署是否成功後,IDEA將在運行配置中查詢URL。 – CrazyCoder 2013-03-16 01:00:32
什麼是瀏覽器的http請求?你是做什麼? – 2013-03-16 01:11:56
瀏覽器url是http:// localhost:8080/SimpleServletPath – skiabox 2013-03-16 01:34:04