原因：org.flywaydb.core.api.FlywayException：迁移失败！和 Spring Cloud 数据流
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【中文标题】原因：org.flywaydb.core.api.FlywayException：迁移失败！和 Spring Cloud 数据流【英文标题】：Caused by: org.flywaydb.core.api.FlywayException: Migration failed ! and Spring Cloud DataFlow 【发布时间】：2020-08-16 21:36:13 【问题描述】：我正在处理Spring batch and Spring Cloud Data Flow 示例。在这个例子中，我参考Database Configs for mysql DB开发了spring-cloud-data-flow-server和MySQL DB而不是默认的H2 DB
Flyways 和 MySQL 版本似乎存在问题，因为最新版本的 Flyways 无法获取最新版本的 MySQL DB。
错误：
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flywayInitializer' defined in class path resource [org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration$FlywayConfiguration.class]: Invocation of init method failed; nested exception is org.flywaydb.core.internal.command.DbMigrate$FlywayMigrateException: Migration failed !
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1796) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:310) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1108) ~[spring-context-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:868) ~[spring-context-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at com.example.SpringCloudDataFlowServerApplication.main(SpringCloudDataFlowServerApplication.java:14) [classes/:na]
Caused by: org.flywaydb.core.internal.command.DbMigrate$FlywayMigrateException: Migration failed !
at org.flywaydb.core.internal.command.DbMigrate.doMigrateGroup(DbMigrate.java:370) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate.access$200(DbMigrate.java:54) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate$3.call(DbMigrate.java:284) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.jdbc.TransactionTemplate.execute(TransactionTemplate.java:74) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate.applyMigrations(DbMigrate.java:281) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate.migrateGroup(DbMigrate.java:246) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate.access$100(DbMigrate.java:54) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate$2.call(DbMigrate.java:164) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate$2.call(DbMigrate.java:161) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.database.mysql.MySQLNamedLockTemplate.execute(MySQLNamedLockTemplate.java:60) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.database.mysql.MySQLConnection.lock(MySQLConnection.java:147) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.schemahistory.JdbcTableSchemaHistory.lock(JdbcTableSchemaHistory.java:155) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate.migrateAll(DbMigrate.java:161) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate.migrate(DbMigrate.java:139) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.Flyway$1.execute(Flyway.java:1395) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.Flyway$1.execute(Flyway.java:1356) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.Flyway.execute(Flyway.java:1711) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.Flyway.migrate(Flyway.java:1356) ~[flyway-core-5.2.4.jar:na]
at org.springframework.boot.autoconfigure.flyway.FlywayMigrationInitializer.afterPropertiesSet(FlywayMigrationInitializer.java:65) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar:2.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1855) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1792) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]
... 18 common frames omitted
Caused by: org.flywaydb.core.api.FlywayException: Migration failed !
at org.flywaydb.core.internal.resolver.java.JavaMigrationExecutor.execute(JavaMigrationExecutor.java:62) ~[flyway-core-5.2.4.jar:na]
at org.flywaydb.core.internal.command.DbMigrate.doMigrateGroup(DbMigrate.java:367) ~[flyway-core-5.2.4.jar:na]
... 38 common frames omitted
Caused by: org.springframework.jdbc.BadSqlGrammarException: StatementCallback; bad SQL grammar [CREATE TABLE TASK_LOCK (
LOCK_KEY CHAR(36) NOT NULL,
REGION VARCHAR(100) NOT NULL,
CLIENT_ID CHAR(36),
CREATED_DATE DATETIME(6) NOT NULL,
constraint LOCK_PK primary key (LOCK_KEY, REGION)
)]; nested exception is java.sql.SQLSyntaxErrorException: (conn=568) You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(6) NOT NULL,
at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:235) ~[spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72) ~[spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.translateException(JdbcTemplate.java:1443) ~[spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:388) ~[spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:418) ~[spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.cloud.dataflow.server.db.migration.SqlCommandsRunner.execute(SqlCommandsRunner.java:61) ~[spring-cloud-dataflow-server-core-2.4.2.RELEASE.jar:2.4.2.RELEASE]
at org.springframework.cloud.dataflow.server.db.migration.AbstractMigration.migrate(AbstractMigration.java:46) ~[spring-cloud-dataflow-server-core-2.4.2.RELEASE.jar:2.4.2.RELEASE]
at org.flywaydb.core.internal.resolver.java.JavaMigrationExecutor.execute(JavaMigrationExecutor.java:48) ~[flyway-core-5.2.4.jar:na]
... 39 common frames omitted
Caused by: java.sql.SQLSyntaxErrorException: (conn=568) You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(6) NOT NULL,
at org.mariadb.jdbc.internal.util.exceptions.ExceptionMapper.get(ExceptionMapper.java:242) ~[mariadb-java-client-2.4.4.jar:na]
at org.mariadb.jdbc.internal.util.exceptions.ExceptionMapper.getException(ExceptionMapper.java:171) ~[mariadb-java-client-2.4.4.jar:na]
at org.mariadb.jdbc.MariaDbStatement.executeExceptionEpilogue(MariaDbStatement.java:248) ~[mariadb-java-client-2.4.4.jar:na]
at org.mariadb.jdbc.MariaDbStatement.executeInternal(MariaDbStatement.java:338) ~[mariadb-java-client-2.4.4.jar:na]
at org.mariadb.jdbc.MariaDbStatement.execute(MariaDbStatement.java:389) ~[mariadb-java-client-2.4.4.jar:na]
at com.zaxxer.hikari.pool.ProxyStatement.execute(ProxyStatement.java:95) ~[HikariCP-3.4.2.jar:na]
at com.zaxxer.hikari.pool.HikariProxyStatement.execute(HikariProxyStatement.java) ~[HikariCP-3.4.2.jar:na]
at org.springframework.jdbc.core.JdbcTemplate$1ExecuteStatementCallback.doInStatement(JdbcTemplate.java:409) ~[spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:376) ~[spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
... 43 common frames omitted
Caused by: java.sql.SQLException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(6) NOT NULL,
constraint LOCK_PK primary key (LOCK_KEY, REGION)
)' at line 5
Query is: CREATE TABLE TASK_LOCK (
LOCK_KEY CHAR(36) NOT NULL,
REGION VARCHAR(100) NOT NULL,
CLIENT_ID CHAR(36),
CREATED_DATE DATETIME(6) NOT NULL,
constraint LOCK_PK primary key (LOCK_KEY, REGION)
)
java thread: main
at org.mariadb.jdbc.internal.util.LogQueryTool.exceptionWithQuery(LogQueryTool.java:126) ~[mariadb-java-client-2.4.4.jar:na]
at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.executeQuery(AbstractQueryProtocol.java:234) ~[mariadb-java-client-2.4.4.jar:na]
at org.mariadb.jdbc.MariaDbStatement.executeInternal(MariaDbStatement.java:332) ~[mariadb-java-client-2.4.4.jar:na]
... 48 common frames omitted
pom.xml
<?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>2.2.6.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>spring-cloud-data-flow-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-cloud-data-flow-server</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring-cloud-starter-dataflow-server.version>2.4.2.RELEASE</spring-cloud-starter-dataflow-server.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-dataflow-server</artifactId>
<version>$spring-cloud-starter-dataflow-server.version</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.mariadb.jdbc</groupId>
<artifactId>mariadb-java-client</artifactId>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-core</artifactId>
<version>5.2.4</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
application.properties
spring.datasource.url=jdbc:mysql://localhost:3306/test
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=org.mariadb.jdbc.Driver
spring.cloud.dataflow.features.streams-enabled=false
SpringCloudDataFlowServerApplication.java
@EnableDataFlowServer
@SpringBootApplication(exclude = CloudFoundryDeployerAutoConfiguration.class)
public class SpringCloudDataFlowServerApplication
public static void main(String[] args)
SpringApplication.run(SpringCloudDataFlowServerApplication.class, args);
【问题讨论】：
我在 MySQL v8.0.19 上本地运行了CREATE TABLE TASK_LOCK ...; 指令（注意结尾的分号！），我得到了 Query OK, 0 rows affected (0.03 sec) 响应。正在使用什么版本的 MySQL？如果您可以使用mysql 命令登录到数据库服务器，它会告诉您。
您好，我使用的是 MySQL 5.5，需要升级到最新版本吗？您能否分享完整的查询CREATE TABLE TASK_LOCK ...;
CREATE TABLE TASK_LOCK ( LOCK_KEY CHAR(36) NOT NULL, REGION VARCHAR(100) NOT NULL, CLIENT_ID CHAR(36), CREATED_DATE DATETIME(6) NOT NULL, constraint LOCK_PK primary key (LOCK_KEY, REGION) );
感谢详细信息，当我们启动云数据流服务器时，迁移脚本执行并抛出异常，我不知道何时执行上述脚本
【参考方案1】：
MySQL v5.5 不接受 DATETIME 数据类型的参数。将您的查询更新为以下内容：
CREATE TABLE TASK_LOCK (
LOCK_KEY CHAR(36) NOT NULL,
REGION VARCHAR(100) NOT NULL,
CLIENT_ID CHAR(36),
CREATED_DATE DATETIME NOT NULL, -- note the omitted (6) argument --
constraint LOCK_PK primary key (LOCK_KEY, REGION)
);
考虑使用与远程部署服务器相同的 MySQL 版本进行本地开发。这样，您就不会对您的应用程序将在其中运行的环境之间的不兼容感到惊讶。
【讨论】：
是的，肯定会跟进，你知道SCDF服务器使用哪个mysql版本吗？我正在安装 MySQL 8 谢谢。我已经将 MySQL 升级到 8.0.11，它看起来很稳定，并且工作正常，无需对 pom.xml 进行任何更改。我唯一要做的就是给予root用户ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root';的完全权限【参考方案2】：
你能试试最新版本的flyway-core吗？修复了这方面的一些问题。
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-core</artifactId>
<version>6.4.1</version>
</dependency>
更多信息在这里：https://github.com/flyway/flyway/issues/2519
【讨论】：
我应该尝试安装最新版本的 MySQL 8.0.x 吗？以上是关于原因：org.flywaydb.core.api.FlywayException：迁移失败！和 Spring Cloud 数据流的主要内容，如果未能解决你的问题，请参考以下文章