Сегодня обновляю maven. После запуска приложения и исключения:
Я попытался выполнить поиск в Google. Но результаты не являются удовлетворительными.
Я провел с ним много времени. Пожалуйста, помогите мне обработать эту ошибку. Большое спасибо
[2m2020-04-19 14:10:39.393[0;39m [33m WARN[0;39m [35m5138[0;39m [2m---[0;39m [2m[lassroom-task-1][0;39m [36mcom.zaxxer.hikari.pool.ProxyConnection [0;39m [2m:[0;39m Hikari - Connection com.mysql.cj.jdbc.ConnectionImpl@48627c4f marked as broken because of SQLSTATE(08003), ErrorCode(0)
java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
at com.mysql.cj.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:1857)
at com.zaxxer.hikari.pool.ProxyConnection.rollback(ProxyConnection.java:370)
at com.zaxxer.hikari.pool.HikariProxyConnection.rollback(HikariProxyConnection.java)
at liquibase.database.jvm.JdbcConnection.rollback(JdbcConnection.java:336)
at liquibase.database.AbstractJdbcDatabase.rollback(AbstractJdbcDatabase.java:1114)
at liquibase.lockservice.StandardLockService.acquireLock(StandardLockService.java:245)
at liquibase.lockservice.StandardLockService.waitForLock(StandardLockService.java:207)
at liquibase.Liquibase.update(Liquibase.java:184)
at liquibase.Liquibase.update(Liquibase.java:179)
at liquibase.integration.spring.SpringLiquibase.performUpdate(SpringLiquibase.java:353)
at liquibase.integration.spring.SpringLiquibase.afterPropertiesSet(SpringLiquibase.java:305
aplication-dev.yml
datasource:
type: com.zaxxer.hikari.HikariDataSource
url: jdbc:mysql://localhost:3306/kmaclassroom?useUnicode=true&characterEncoding=utf8&useSSL=false&useLegacyDatetimeCode=false&serverTimezone=Asia/Ho_Chi_Minh&createDatabaseIfNotExist=true
username: root
password:
hikari:
poolName: Hikari
idleTimeout: 600000
maxLifetime: 1800000
auto-commit: false
data-source-properties:
cachePrepStmts: true
prepStmtCacheSize: 250
prepStmtCacheSqlLimit: 2048
useServerPrepStmts: true
jpa:
database-platform: org.hibernate.dialect.MySQL8Dialect
database: MYSQL
show-sql: true
properties:
hibernate.id.new_generator_mappings: true
hibernate.connection.provider_disables_autocommit: true
hibernate.cache.use_second_level_cache: true
hibernate.cache.use_query_cache: false
hibernate.generate_statistics: false