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Spring 更正应用程序的类路径,使其包含org.apache.tomcat.util.compat.JreCompat的单个兼容版本。使用jsp文件_Spring_Jsp_Tomcat_Classpath - Fatal编程技术网

Spring 更正应用程序的类路径,使其包含org.apache.tomcat.util.compat.JreCompat的单个兼容版本。使用jsp文件

Spring 更正应用程序的类路径,使其包含org.apache.tomcat.util.compat.JreCompat的单个兼容版本。使用jsp文件,spring,jsp,tomcat,classpath,Spring,Jsp,Tomcat,Classpath,我在以Spring Boot应用程序运行我的项目时遇到此错误,我猜解决方案可能不会太复杂: 错误日志: 2021-03-05 12:53:10.041信息4704---[main].s.M13SimpleSpringHttpServiceApplication:未设置活动配置文件,返回默认配置文件:默认 2021-03-05 12:53:10.936信息4704---[main].s.d.r.c.RepositoryConfigurationDelegate:在默认模式下引导Spring数据JP

我在以Spring Boot应用程序运行我的项目时遇到此错误,我猜解决方案可能不会太复杂:

错误日志:

2021-03-05 12:53:10.041信息4704---[main].s.M13SimpleSpringHttpServiceApplication:未设置活动配置文件,返回默认配置文件:默认 2021-03-05 12:53:10.936信息4704---[main].s.d.r.c.RepositoryConfigurationDelegate:在默认模式下引导Spring数据JPA存储库。 2021-03-05 12:53:10.954 INFO 4704---[main].s.d.r.c.RepositoryConfigurationDelegate:在7毫秒内完成了Spring数据存储库扫描。找到了0个JPA存储库接口。 2021-03-05 12:53:11.520警告4704---[main]ConfigServletWebServerApplicationContext:在上下文初始化期间遇到异常-取消刷新尝试:org.springframework.context.ApplicationContextException:无法启动web服务器;嵌套的异常是java.lang.NoSuchMethodError:'boolean org.apache.tomcat.util.compat.JreCompat.isGraalAvailable()' 2021-03-05 12:53:11.531信息4704---[main]条件评估报告日志监听器:

启动ApplicationContext时出错。要显示条件报告,请在启用“调试”的情况下重新运行应用程序。 2021-03-05 12:53:11.552错误4704---[main]o.s.b.d.记录故障分析报告者:


应用程序无法启动


说明:

试图调用不存在的方法。从以下位置进行了尝试:

org.apache.catalina.startup.Tomcat.<clinit>(Tomcat.java:1303)
该方法的类org.apache.tomcat.util.compat.JreCompat可从以下位置获得:

jar:file:/C:/Users/xxxx/.m2/repository/org/apache/tomcat/tomcat-util/8.5.30/tomcat-util-8.5.30.jar!/org/apache/tomcat/util/compat/JreCompat.class
jar:file:/C:/Users/xxxx/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.43/tomcat-embed-core-9.0.43.jar!/org/apache/tomcat/util/compat/JreCompat.class
org.apache.tomcat.util.compat.JreCompat: file:/C:/Users/xxxx/.m2/repository/org/apache/tomcat/tomcat-util/8.5.30/tomcat-util-8.5.30.jar
已从以下位置加载类层次结构:

jar:file:/C:/Users/xxxx/.m2/repository/org/apache/tomcat/tomcat-util/8.5.30/tomcat-util-8.5.30.jar!/org/apache/tomcat/util/compat/JreCompat.class
jar:file:/C:/Users/xxxx/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.43/tomcat-embed-core-9.0.43.jar!/org/apache/tomcat/util/compat/JreCompat.class
org.apache.tomcat.util.compat.JreCompat: file:/C:/Users/xxxx/.m2/repository/org/apache/tomcat/tomcat-util/8.5.30/tomcat-util-8.5.30.jar
行动:

更正应用程序的类路径,使其包含org.apache.tomcat.util.compat.JreCompat的单个兼容版本

POM文件

<?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>
    
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.3</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    
    <groupId>com.simpleSpringHTTPService</groupId>
    <artifactId>M13SimpleSpringHTTPService</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>M13SimpleSpringHTTPService</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>       
        <dependency>
            <groupId>org.apache.tomcat</groupId>
            <artifactId>tomcat-jasper</artifactId>
            <version>8.5.30</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>
员工控制器类

package com.simpleSpringHTTPService.model;

public class Employee {

    private String first_name;
    private String last_name;
    private String job_role;
    private int id;
    
    public String getFirst_name() {
        return first_name;
    }
    public void setFirst_name(String first_name) {
        this.first_name = first_name;
    }
    public String getLast_name() {
        return last_name;
    }
    public void setLast_name(String last_name) {
        this.last_name = last_name;
    }
    public String getJob_role() {
        return job_role;
    }
    public void setJob_role(String job_role) {
        this.job_role = job_role;
    }
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    
    @Override
    public String toString() {
        return "Employee [first_name=" + first_name + ", last_name=" + last_name + ", job_role=" + 
        job_role + ", id="+ id + "]";
    }   
    
}
package com.simpleSpringHTTPService.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class EmployeeController {

    @RequestMapping("/")
    public String home() {
        
        return "home.jsp";
    }
}
我知道这还没有做很多,但我想运行它并打开它http://localhost:8080 看看结果


我已经尝试过查看buildpath库,如其他线程中所述,如:,但我不想过多地处理它,因为我是新手,任何帮助都将不胜感激,谢谢

您将两个不兼容版本的
tomcat util
放在依赖项中:

  • 中包含版本9.0.43,它是的可传递依赖项
  • 版本8.5.30是的可传递依赖项,您单独添加了它

您应该改用9.0.43版。Maven试图尽可能地消除版本冲突,但它不知道
tomcat jasper
嵌入tomcat jasper
是一回事。

谢谢!我将依赖项改为:org.apache.tomcat.embed tomcat embed jasper 9.0.43,而不是org.apache.tomcat tomcat jasper 8.5.30,并且它正在运行,我还不太了解embed tomcat jasper和tomcat jasper之间的区别,但是现在就可以了,非常感谢!