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
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: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
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
和嵌入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!