Hibernate 冬眠&;Derby:hbm2dll不创建序列
我正在使用hibernate3 maven插件调用hbm2ddl来导出实体的ddl 然后,Hibernate 冬眠&;Derby:hbm2dll不创建序列,hibernate,maven,jpa-2.0,java-ee-6,derby,Hibernate,Maven,Jpa 2.0,Java Ee 6,Derby,我正在使用hibernate3 maven插件调用hbm2ddl来导出实体的ddl 然后,dbmaintain使用此ddl文件初始化嵌入式derby数据库 但是,当我使用此数据库启动Java企业应用程序时,会出现以下错误: 16:48:41.714 ERROR [main] o.h.util.JDBCExceptionReporter: SEQUENCE 'HIBERNATE_SEQUENCE' does not exist. …这是正确的,因为生成的ddl文件中唯一与我的实体不直接相关的代码
dbmaintain
使用此ddl文件初始化嵌入式derby数据库
但是,当我使用此数据库启动Java企业应用程序时,会出现以下错误:
16:48:41.714 ERROR [main] o.h.util.JDBCExceptionReporter: SEQUENCE 'HIBERNATE_SEQUENCE' does not exist.
…这是正确的,因为生成的ddl文件中唯一与我的实体不直接相关的代码如下:
create table hibernate_unique_key (
next_hi integer
);
insert into hibernate_unique_key values ( 0 );
该文件不包含任何关于序列的内容
如果我不使用dbmaintain
而只是将hibernate.hbm2ddl.auto
设置为update
,它就可以工作,但我不想在生产中使用它(因为大多数来源都反对它)
hbm2ddl
生成的ddl不应该包含hibernate所需的所有内容吗
Maven配置:
org.codehaus.mojo
hibernate3 maven插件
hbm2ddl
JPA配置
MyPersistenceUnitName
schema.ddl
假的
真的
假的
真的
persistence.xml:
org.hibernate.ejb.HibernatePersistence
java:app/jdbc/MyPersistenceUnitName
我终于找到了答案:
问题是(最新版本)的依赖项完全过时,无法处理我的JPA2.0注释
我通过调用mvn-xhibernate3:hbm2ddl
获得了插件依赖项的列表,并通过手动将插件的所有hibernate依赖项覆盖到最新版本修复了该问题:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>hibernate3-maven-plugin</artifactId>
<configuration>
<components>
<component>
<name>hbm2ddl</name>
<implementation>jpaconfiguration</implementation>
</component>
</components>
<componentProperties>
<persistenceunit>MyPersistenceUnitName</persistenceunit>
<outputfilename>schema.ddl</outputfilename>
<drop>false</drop>
<create>true</create>
<export>false</export>
<format>true</format>
</componentProperties>
</configuration>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-tools</artifactId>
<version>3.2.4.GA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>3.6.8.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>3.6.3.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.5.6-Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>4.2.0.Final</version>
</dependency>
</dependencies>
</plugin>
org.codehaus.mojo
hibernate3 maven插件
hbm2ddl
JPA配置
MyPersistenceUnitName
schema.ddl
假的
真的
假的
真的
org.hibernate
休眠工具
3.2.4.GA
org.hibernate
冬眠核心
3.6.8.最终版本
org.hibernate
休眠实体管理器
3.6.3.最终版本
org.hibernate
休眠注释
3.5.6-最终版本
org.hibernate
休眠验证器
4.2.0.4最终版本
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
version="2.0">
<persistence-unit name="MyPersistenceUnitName">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<jta-data-source>java:app/jdbc/MyPersistenceUnitName</jta-data-source>
<properties>
<property name="hibernate.id.new_generator_mappings" value="true" />
<property name="hibernate.dialect" value="org.hibernate.dialect.DerbyDialect" />
<property name="javax.persistence.validation.group.pre-persist" value="some.ServerValidation" />
<property name="javax.persistence.validation.group.pre-update" value="some.ServerValidation" />
</properties>
</persistence-unit>
</persistence>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>hibernate3-maven-plugin</artifactId>
<configuration>
<components>
<component>
<name>hbm2ddl</name>
<implementation>jpaconfiguration</implementation>
</component>
</components>
<componentProperties>
<persistenceunit>MyPersistenceUnitName</persistenceunit>
<outputfilename>schema.ddl</outputfilename>
<drop>false</drop>
<create>true</create>
<export>false</export>
<format>true</format>
</componentProperties>
</configuration>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-tools</artifactId>
<version>3.2.4.GA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>3.6.8.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>3.6.3.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.5.6-Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>4.2.0.Final</version>
</dependency>
</dependencies>
</plugin>