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我開始在我的春季託管java項目中使用飛路(我也在使用休眠)。由於唯一索引或主鍵違規,飛行路徑遷移失敗
我跟着flyway的文檔。我也配置了maven插件,並且一切正常。
試圖使用Maven插件做乾淨的,初始化和遷移,一切正常。
相反,如果我嘗試運行我的應用程序(其中我已經在我的飛行用豆):
<bean id="flyway" class="org.flywaydb.core.Flyway" init-method="migrate">
<property name="dataSource" ref="dataSource" />
</bean>
我看到:
- 分貝的方案中創建
- 創建schema_version表
- 我的腳本創建整個db工作原理
Unfortunally我的應用程序無法啓動,由於在遷移過程中的錯誤,我不明白:
31/10/2014 11:03:34 INFO DbSupportFactory:43 - Database: jdbc:h2:~/db/db (H2 1.4)
31/10/2014 11:03:34 INFO DbValidate:43 - Validated 1 migration (execution time 00:00.015s)
31/10/2014 11:03:34 INFO MetaDataTableImpl:43 - Creating Metadata table: "PUBLIC"."schema_version"
31/10/2014 11:03:34 INFO DbMigrate:43 - Current version of schema "PUBLIC": << Empty Schema >>
31/10/2014 11:03:34 INFO DbMigrate:43 - Migrating schema "PUBLIC" to version 3.0.0
31/10/2014 11:03:34 ERROR ContextLoader:331 - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flyway' defined in ServletContext resource [/WEB-INF/spring/app-jpa-config.xml]: Invocation of init method failed; nested exception is org.flywaydb.core.api.FlywayException: Unable to insert row for version '3.0.0' in metadata table "PUBLIC"."schema_version"
...
...
...
Caused by: org.h2.jdbc.JdbcSQLException: Unique index or primary key violation: "PRIMARY_KEY_6 ON PUBLIC.""schema_version""(""version"") VALUES (/* 3 */ CAST('3.0.0' AS VARCHAR_IGNORECASE))"; SQL statement:
INSERT INTO "PUBLIC"."schema_version" ("version_rank","installed_rank","version","description","type","script","checksum","installed_by","execution_time","success") VALUES (?, ?, ?, ?, ?, ?, ?, USER(), ?, ?) [23505-182]
所以似乎重複異常,但它是很奇怪的。這之後,我看到了db和似乎總是正確的:
- schema_versione包含兩行:飛行用init和我的腳本具有版本3.0.0
- 我看到整個數據庫中創建
所以我的問題是:什麼是錯的? flyway試圖進行兩次遷移?
謝謝