应用程序在 Tomcat Web 服务器上顺利运行。
每当我尝试访问此 java web servlet URL/prepare_ payment 时,我都会收到以下错误: 严重:为 servlet [Servlet 名称] 分配异常 java.lang.ClassNotFoundException:javax.servlet.http.HttpServlet
P.S:我需要使用JAVA 8
web.xml(不完整):
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<servlet>
<servlet-name>PreparePaymentServlet</servlet-name>
<servlet-class>com.paybylink.wnm_paybylink_app.servlets.PreparePaymentServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>PreparePaymentServlet</servlet-name>
<url-pattern>/prepare_payment</url-pattern>
</servlet-mapping>
<error-page>
<error-code>404</error-code>
<location>/not-found.jsp</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/error.jsp</location>
</error-page>
</web-app>
pom.xml(不完整):
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.source>1.8</maven.compiler.source>
<junit.version>5.9.2</junit.version>
</properties>
<dependencies>
<dependency>
<groupId>jakarta.servlet</groupId>
<artifactId>jakarta.servlet-api</artifactId>
<version>4.0.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jakarta.servlet.jsp</groupId>
<artifactId>jakarta.servlet.jsp-api</artifactId>
<version>3.1.1</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>
还有我的 servlet.java:
@SuppressWarnings("serial")
@WebServlet(name = "PreparePaymentServlet", urlPatterns = "/prepare_payment")
public class PreparePaymentServlet extends HttpServlet {
...
}
您将错误版本的 Servlet、JSP 等规范与错误版本的 Tomcat 混合在一起。此外,您将错误的包名称与这些规范的错误版本混合在一起。
有关 Servlet、JSP 等规范的正确版本,请参阅 Tomcat 网站的Which Version 页面。
对于 Tomcat 10.1:
...在 Java 11+ 上运行。