一、org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flywayInitializer' defined in class path resource [org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration$FlywayConfiguration.class]: Invocation of init method failed; nested exception is org.flywaydb.core.api.FlywayException: Unable to determine current schema as search_path is empty. Set the current schema in currentSchema parameter of the JDBC URL or in Flyway's schemas property.
1. 问题描述：application.yml配置文件，关于flyway的配置缺少schemas配置
2. 问题详情：
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-11-01 11:17:05.242 ERROR 12404 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flywayInitializer' defined in class path resource [org/springframework/boot/autoconfigure/flyway/FlywayAutoConfiguration$FlywayConfiguration.class]: Invocation of init method failed; nested exception is org.flywaydb.core.api.FlywayException: Unable to determine current schema as search_path is empty. Set the current schema in currentSchema parameter of the JDBC URL or in Flyway's schemas property.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1803) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:310) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:879) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878) ~[spring-context-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.0.RELEASE.jar:2.2.0.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.0.RELEASE.jar:2.2.0.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.0.RELEASE.jar:2.2.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.0.RELEASE.jar:2.2.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.2.0.RELEASE.jar:2.2.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) ~[spring-boot-2.2.0.RELEASE.jar:2.2.0.RELEASE]
at com.zsx.PostgresApplication.main(PostgresApplication.java:12) ~[classes/:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:567) ~[na:na]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-2.2.0.RELEASE.jar:2.2.0.RELEASE]
Caused by: org.flywaydb.core.api.FlywayException: Unable to determine current schema as search_path is empty. Set the current schema in currentSchema parameter of the JDBC URL or in Flyway's schemas property.
at org.flywaydb.core.internal.database.postgresql.PostgreSQLConnection.doGetCurrentSchema(PostgreSQLConnection.java:54) ~[flyway-core-6.0.7.jar:na]
at org.flywaydb.core.internal.database.base.Connection.getCurrentSchema(Connection.java:76) ~[flyway-core-6.0.7.jar:na]
at org.flywaydb.core.Flyway.prepareSchemas(Flyway.java:550) ~[flyway-core-6.0.7.jar:na]
at org.flywaydb.core.Flyway.execute(Flyway.java:487) ~[flyway-core-6.0.7.jar:na]
at org.flywaydb.core.Flyway.migrate(Flyway.java:149) ~[flyway-core-6.0.7.jar:na]
at org.springframework.boot.autoconfigure.flyway.FlywayMigrationInitializer.afterPropertiesSet(FlywayMigrationInitializer.java:65) ~[spring-boot-autoconfigure-2.2.0.RELEASE.jar:2.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1862) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1799) ~[spring-beans-5.2.0.RELEASE.jar:5.2.0.RELEASE]
... 23 common frames omitted
Process finished with exit code 03. 解决方法：添加schemas配置
Spring
flyway:
# 是否启用flyway
enabled: true
## 编码格式，默认UTF-8
encoding: UTF-8
## 迁移sql脚本文件存放路径，默认db/migration
locations: classpath:db/migration
## 迁移sql脚本文件名称的前缀，默认V
sqlMigrationPrefix: V
## 迁移sql脚本文件名称的分隔符，默认2个下划线__
sqlMigrationSeparator: __
# 迁移sql脚本文件名称的后缀
sqlMigrationSuffixes: .sql
# 迁移时是否进行校验，默认true
validateOnMigrate: true
# 设置为true，当迁移发现数据库非空且存在没有元数据的表时，自动执行基准迁移，新建schema_version表
baselineOnMigrate: true
# postgres10没有引入这个不提示错误，postgres12没有引入会报错
schemas: myschema, site_issue