我正在學習從Spring Boot運行JSP的教程。即使我指定為主類的類存在，我也會收到此錯誤跟蹤。下面是異常跟蹤，我已針對空間進行了編輯。   java.lang.ClassNotFoundException: com.hellokoding.springboot.view.Application        at java.net.URLClassLoader.findClass (URLClassLoader.java:471)        at java.lang.ClassLoader.loadClass (ClassLoader.java:588)        at java.lang.ClassLoader.loadClass (ClassLoader.java:521)        at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run (AbstractRunMojo.java:553)        at java.lang.Thread.run (Thread.java:834)這是我的絨球.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.hellokoding.springboot</groupId>    <artifactId>jsp-helloworld</artifactId>    <version>1.0-SNAPSHOT</version>    <packaging>war</packaging>    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>2.1.1.RELEASE</version>    </parent>    <properties>        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>        <java.version>1.8</java.version>    </properties>    <dependencies>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-tomcat</artifactId>            <scope>provided</scope>        </dependency>        <dependency>            <groupId>org.apache.tomcat.embed</groupId>            <artifactId>tomcat-embed-jasper</artifactId>            <scope>provided</scope>        </dependency>    </dependencies>