如何解决Spring Boot 错误激活 Bean 验证集成
我正在尝试启动我的网络应用程序，但出现了这两个错误：
2020-12-22 20:46:25.769 INFO 23060 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
2020-12-22 20:46:26.161 ERROR 23060 --- [ main] j.LocalContainerEntityManagerFactoryBean : Failed to initialize JPA EntityManagerFactory: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.cfg.beanvalidation.IntegrationException: Error activating Bean Validation integration
2020-12-22 20:46:26.162 WARN 23060 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.cfg.beanvalidation.IntegrationException: Error activating Bean Validation integration
2020-12-22 20:46:26.162 INFO 23060 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...
2020-12-22 20:46:26.177 INFO 23060 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.
2020-12-22 20:46:26.179 INFO 23060 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2020-12-22 20:46:26.191 INFO 23060 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-12-22 20:46:26.207 ERROR 23060 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
***************************
APPLICATION FAILED TO START
***************************
这里是最终错误输出的描述：
说明：
尝试调用不存在的方法。尝试是从以下位置进行的：
javax.el.ELManager.getExpressionFactory(ELManager.java:38)
以下方法不存在：
javax.el.ELUtil.getExpressionFactory()Ljavax/el/ExpressionFactory;
该方法的类 javax.el.ELUtil 可从以下位置获得：
jar:file:/C:/Users/chafy/Desktop/backend/lib/javax.servlet.jsp.jar!/javax/el/ELUtil.class
jar:file:/C:/Users/chafy/.m2/repository/org/glassfish/jakarta.el/3.0.3/jakarta.el-3.0.3.jar!/javax/el/ELUtil.class
jar:file:/C:/Users/chafy/.m2/repository/javax/el/javax.el-api/3.0.0/javax.el-api-3.0.0.jar!/javax/el/ELUtil.class
jar:file:/C:/Users/chafy/.m2/repository/org/glassfish/javax.el/3.0.0/javax.el-3.0.0.jar!/javax/el/ELUtil.class
从以下位置加载了类层次结构：
javax.el.ELUtil: file:/C:/Users/chafy/Desktop/backend/lib/javax.servlet.jsp.jar
操作：
更正应用程序的类路径，使其包含单个兼容版本的 javax.el.ELUtil
这里是我的依赖：
<dependencies>
<dependency>
<groupId>com.google.code.findbugs</groupId>
<artifactId>annotations</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity5</artifactId>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-api</artifactId>
<version>0.11.2</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-impl</artifactId>
<scope>runtime</scope>
<version>0.11.2</version>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-jackson</artifactId>
<scope>runtime</scope>
<version>0.11.2</version>
</dependency>
<!-- TimeAgo related dependencies-->
<dependency>
<groupId>com.github.marlonlom</groupId>
<artifactId>timeago</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-stdlib-jdk8</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
<version>2.4.0</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-test</artifactId>
<version>${kotlin.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-c3p0</artifactId>
<version>5.4.26.Final</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.module</groupId>
<artifactId>jackson-module-kotlin</artifactId>
<version>2.12.0</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.4.3.Final</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.0</version>
</dependency>
</dependencies>
这里是我的 application.properties :
# ===============================
# = DATA SOURCE
# ===============================
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/cuberil?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=Charigan99./
# Keep the connection alive if idle for a long time (needed in production)
spring.datasource.testWhileIdle=true
spring.datasource.validationQuery=SELECT 1
spring.datasource.initialization-mode=always
# ===============================
# = JPA / HIBERNATE
# ===============================
# Use spring.jpa.properties.* for Hibernate native properties (the prefix is
# stripped before adding them to the entity manager).
# Show or not log for each sql query
spring.jpa.show-sql=true
# Hibernate ddl auto (create,create-drop,update): with "update" the database
# schema will be automatically updated accordingly to java entities found in
# the project
spring.jpa.hibernate.hbm2ddl.auto=update
spring.jpa.properties.hibernate.show_sql=true
spring.jpa.properties.hibernate.format_sql=true
# Allows Hibernate to generate SQL optimized for a particular DBMS
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.generate-ddl=true
# Mail Properties
spring.mail.host=smtp.mailtrap.io
spring.mail.port=25
spring.mail.username=<your-smtp-username>
spring.mail.password=<your-smtp-password>
spring.mail.protocol=smtp
我试图通过添加许多依赖项来解决它，但没有。有人说是servlet版本问题，其实不是。
解决方法
所以，我不知道确切的问题，但也许我可以给你一些东西来看看和/或尝试。
一般来说，servlet、jsp 和 el 库应该由您的容器提供。因此，我会考虑将 <scope>provided</scope> 添加到您不同的 servlet 库中：
<!-- Provided by Tomcat Container -->
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.0</version>
<scope>provided</scope>
</dependency>
而且由于您使用的是 Tomcat，我将删除 org.glassfish.javax.el 库的直接使用。我认为每个容器都提供了自己的 el 库实现，拥有第二个库可能会导致类路径问题。
（最有可能）从 pom.xml 中删除：
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
<version>3.0.0</version>
</dependency>
Hibernate Validator 也有点痛苦。 From this answer on a similar problem：
Hibernate Validator 6.x -> Bean Validation 2.0 (JSR 380) -> EL3.0
Hibernate Validator 5.x -> Bean Validation 1.1 (JSR 349) -> EL2.2
Bean Validation 1.0 (JSR 303) ->（我不确定）
因此，理论上，您应该使用 Hibernate Validator 6 而不是像现在这样的版本 5。
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