【发布时间】:2017-04-18 13:55:49
【问题描述】:
我一直在尝试通过嵌入应用程序的Apache Tomcat 使我的Java 应用程序托管一个网页(HTML 页面,而不是JSP)。我在NetBeans IDE 8.0.2. 上使用Maven 构建系统@ 出于某种原因,Tomcat 拒绝识别我放置在应用程序中的index.html 页面,尽管多次尝试并创建了各种文件夹,如WEB-INF。但它仍然会向我抛出 404 错误。
这是我在项目中设置的一些相关代码(部分代码已省略但与情况无关):
1. MainApplication.java - 启动 Tomcat
import java.util.Calendar;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
import java.io.*;
import java.util.Optional;
import org.apache.catalina.startup.Tomcat;
public class MainApplication{
public static final Optional<String> port = Optional.ofNullable(System.getenv("PORT"));
public static void main(String[] args) throws Exception {
String contextPath = "/";
String appBase = ".";
Tomcat tomcat = new Tomcat();
tomcat.setPort(Integer.valueOf(port.orElse("8080")));
tomcat.getHost().setAppBase(appBase);
tomcat.addWebapp(contextPath, appBase);
tomcat.start();
tomcat.getServer().await();
}
}
2. ShuttleServlet.java
@WebServlet(
name = "ShuttleServlet", urlPatterns = {"/shuttle"}
)
public class ShuttleServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// Code to interact with application to be added later
}
3.目录结构
- src
|
- main
|
- resources
- webapp
|
* index.html
* scripts.js
4. Maven pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>TransportApp</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-logging-juli</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper-el</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jsp-api</artifactId>
<version>${tomcat.version}</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>6.0.5</version>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<tomcat.version>7.0.57</tomcat.version>
</properties>
<build>
<finalName>TransportApp</finalName>
<resources>
<resource>
<directory>src/main/webapp</directory>
<targetPath>META-INF/resources</targetPath>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<inherited>true</inherited>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<finalName>TransportApp-${project.version}</finalName>
<archive>
<manifest>
<mainClass>com.example.TransportApp.MainApplication</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
5. Tomcat 控制台日志
Dec 04, 2016 3:09:24 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Dec 04, 2016 3:09:24 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Tomcat
Dec 04, 2016 3:09:24 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.57
Dec 04, 2016 3:09:24 AM org.apache.catalina.startup.ContextConfig getDefaultWebXmlFragment
INFO: No global web.xml found
Dec 04, 2016 3:09:25 AM org.apache.catalina.util.SessionIdGenerator createSecureRandom
INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [170] milliseconds.
Dec 04, 2016 3:09:25 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
所有这些都导致404 尽管多次尝试和现在已删除的文件夹仍然存在。我希望所有这些都有助于找到罪魁祸首。
【问题讨论】:
标签: java html tomcat http-status-code-404 embedded-tomcat-7