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[英]Getting Exception while connecting Spring to hibernate using H2 database
[英]Getting exception on connecting Jakarta EE project to H2 database
我正在尝试将我的 Jakarta EE 9.1.0 项目连接到 H2 数据库,但出现此异常:
org.h2.jdbc.JdbcSQLNonTransientConnectionException:重复的属性“用户”[90066-212]
这是我的persistance.xml 文件(版本=“3.0”) persistence-unit
部分:
<persistence-unit name="PersistenceUnit" transaction-type="JTA">
<jta-data-source>java:global/dataSource</jta-data-source>
<properties>
<property name="jakarta.persistence.schema-generation.database.action" value="drop-and-create"/>
</properties>
</persistence-unit>
和 web.xml 文件 (version="5.0") data-source
和H2Console servlet
部分:
<data-source>
<name>java:global/dataSource</name>
<class-name>org.h2.jdbcx.JdbcDataSource</class-name>
<url>jdbc:h2:file:D:/testdb;USER=sa;PASSWORD=123</url>
</data-source>
<servlet>
<servlet-name>H2Console</servlet-name>
<servlet-class>org.h2.server.web.JakartaWebServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>H2Console</servlet-name>
<url-pattern>/h2/*</url-pattern>
</servlet-mapping>
在 pom.xml 文件中,我添加了这个 H2 依赖项:
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>2.1.212</version>
</dependency>
有人可以帮助解决编码问题吗?
我刚刚在persistence.xml文件中添加了这两行并修复了错误:
<property name="jakarta.persistence.jdbc.user" value="user"/>
<property name="jakarta.persistence.jdbc.password" value="password"/>
持久化配置(persistence.xml)完整persistence-unit
标签如下:
<persistence-unit name="PersistenceUnit" transaction-type="JTA">
<jta-data-source>java:global/dataSource</jta-data-source>
<properties>
<property name="jakarta.persistence.schema-generation.database.action" value="create"/>
<property name="jakarta.persistence.jdbc.user" value="user"/>
<property name="jakarta.persistence.jdbc.password" value="password"/>
</properties>
</persistence-unit>
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