更正应用程序的类路径,使其包含org.apache.tomcat.util.compat.jrecompat的一个兼容版本使用jsp文件

sauutmhj  于 2021-07-13  发布在  Java
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我在将项目作为spring boot应用程序运行时遇到这个错误,我猜解决方案可能不会太复杂:
错误日志:
2021-03-05 12:53:10.041 info 4704---[main].s.m13simplespringhttpserviceapplication:未设置活动配置文件,返回默认配置文件:default 2021-03-05 12:53:10.936 info 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spring数据存储库扫描。找到0个jpa存储库接口。2021-03-05 12:53:11.520警告4704---[main]configservletwebserverapplicationcontext:上下文初始化期间遇到异常-取消刷新尝试:org.springframework.context.ApplicationContext异常:无法启动web服务器;嵌套异常为java.lang.nosuchmethoderror:'boolean org.apache.tomcat.util.compat.jrecompat.isgraalavailable()'2021-03-05 12:53:11.531 info 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.loggingfailureanalysisreporter:
应用程序启动失败
说明:
试图调用不存在的方法。尝试从以下位置进行:

  1. org.apache.catalina.startup.Tomcat.<clinit>(Tomcat.java:1303)

以下方法不存在:

  1. 'boolean org.apache.tomcat.util.compat.JreCompat.isGraalAvailable()'

该方法的类org.apache.tomcat.util.compat.jrecompat可从以下位置获得:

  1. 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
  2. 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

已从以下位置加载类层次结构:

  1. 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:
请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

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3. xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  4. <modelVersion>4.0.0</modelVersion>
  5. <parent>
  6. <groupId>org.springframework.boot</groupId>
  7. <artifactId>spring-boot-starter-parent</artifactId>
  8. <version>2.4.3</version>
  9. <relativePath/> <!-- lookup parent from repository -->
  10. </parent>
  11. <groupId>com.simpleSpringHTTPService</groupId>
  12. <artifactId>M13SimpleSpringHTTPService</artifactId>
  13. <version>0.0.1-SNAPSHOT</version>
  14. <name>M13SimpleSpringHTTPService</name>
  15. <description>Demo project for Spring Boot</description>
  16. <properties>
  17. <java.version>1.8</java.version>
  18. </properties>
  19. <dependencies>
  20. <dependency>
  21. <groupId>org.springframework.boot</groupId>
  22. <artifactId>spring-boot-starter-data-jpa</artifactId>
  23. </dependency>
  24. <dependency>
  25. <groupId>org.apache.tomcat</groupId>
  26. <artifactId>tomcat-jasper</artifactId>
  27. <version>8.5.30</version>
  28. </dependency>
  29. <dependency>
  30. <groupId>org.springframework.boot</groupId>
  31. <artifactId>spring-boot-starter-web</artifactId>
  32. </dependency>
  33. <dependency>
  34. <groupId>com.h2database</groupId>
  35. <artifactId>h2</artifactId>
  36. <scope>runtime</scope>
  37. </dependency>
  38. <dependency>
  39. <groupId>org.springframework.boot</groupId>
  40. <artifactId>spring-boot-starter-test</artifactId>
  41. <scope>test</scope>
  42. </dependency>
  43. </dependencies>
  44. <build>
  45. <plugins>
  46. <plugin>
  47. <groupId>org.springframework.boot</groupId>
  48. <artifactId>spring-boot-maven-plugin</artifactId>
  49. </plugin>
  50. </plugins>
  51. </build>
  52. </project>

jsp文件:src/main/webapp文件夹

  1. <%@ page language="java" contentType="text/html; charset=UTF-8"
  2. pageEncoding="UTF-8"%>
  3. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  4. <html>
  5. <head>
  6. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  7. <title>Insert title here</title>
  8. </head>
  9. <body>
  10. <form action="addEmployee">
  11. <input type="text" name="id"><br>
  12. <input type="text" name="first_name"><br>
  13. <input type="text" name="last_name"><br>
  14. <input type="text" name="job_role"><br>
  15. <input type="submit"><br>
  16. </form>
  17. </body>
  18. </html>

员工类别

  1. package com.simpleSpringHTTPService.model;
  2. public class Employee {
  3. private String first_name;
  4. private String last_name;
  5. private String job_role;
  6. private int id;
  7. public String getFirst_name() {
  8. return first_name;
  9. }
  10. public void setFirst_name(String first_name) {
  11. this.first_name = first_name;
  12. }
  13. public String getLast_name() {
  14. return last_name;
  15. }
  16. public void setLast_name(String last_name) {
  17. this.last_name = last_name;
  18. }
  19. public String getJob_role() {
  20. return job_role;
  21. }
  22. public void setJob_role(String job_role) {
  23. this.job_role = job_role;
  24. }
  25. public int getId() {
  26. return id;
  27. }
  28. public void setId(int id) {
  29. this.id = id;
  30. }
  31. @Override
  32. public String toString() {
  33. return "Employee [first_name=" + first_name + ", last_name=" + last_name + ", job_role=" +
  34. job_role + ", id="+ id + "]";
  35. }
  36. }

employeecontroller类

  1. package com.simpleSpringHTTPService.controller;
  2. import org.springframework.stereotype.Controller;
  3. import org.springframework.web.bind.annotation.RequestMapping;
  4. @Controller
  5. public class EmployeeController {
  6. @RequestMapping("/")
  7. public String home() {
  8. return "home.jsp";
  9. }
  10. }

我知道,这还没有做很多,但我想运行它和开放http://localhost:8080并查看结果。
我试过查看其他线程中描述的buildpath库,如:disableregistry()不存在(org.apache.tomcat.util.modeler.registry),但我不想太多地处理它,因为我是新手,任何帮助都将不胜感激,谢谢!

0dxa2lsx

0dxa2lsx1#

你把两个不兼容的版本 tomcat-util 在您的依赖项中:
版本9.0.43包含在 tomcat-embed-core ,它是的传递依赖项 spring-boot-starter-web ,
版本8.5.30是 tomcat-jasper ,这是您单独添加的。
你应该使用 embed-tomcat-jasper 而是9.0.43版。maven试图尽可能地消除版本冲突,但它不知道这一点 tomcat-jasper 以及 embed-tomcat-jasper 都是一样的。

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