我正在努力解决 spring-boot 应用程序的基本配置,并使用 OpenJPA 作为 jpa 实现。基本上我总是以:
引起原因:org.apache.openjpa.util.MetaDataException:类型“class com.openjpa.example.Customer”尚未增强。
我的配置如下所示:
package com.openjpa.example;
@SpringBootApplication
public class Application extends JpaBaseConfiguration {
protected Application(DataSource dataSource, JpaProperties properties,
ObjectProvider<JtaTransactionManager> jtaTransactionManagerProvider) {
super(dataSource, properties, jtaTransactionManagerProvider);
}
@Override
protected AbstractJpaVendorAdapter createJpaVendorAdapter() {
OpenJpaVendorAdapter jpaVendorAdapter = new OpenJpaVendorAdapter();
jpaVendorAdapter.setShowSql(true);
return jpaVendorAdapter;
}
@Override
protected Map<String, Object> getVendorProperties() {
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("openjpa.Log", "DefaultLevel=TRACE, Tool=INFO, SQL=TRACE, Runtime=TRACE");
map.put("openjpa.jdbc.MappingDefaults", "IndexLogicalForeignKeys=false,IndexDiscriminator=false");
map.put("openjpa.jdbc.SynchronizeMappings", "buildSchema(ForeignKeys=true)");
map.put("openjpa.RuntimeUnenhancedClasses", "supported");
map.put("openjpa.DynamicEnhancementAgent", "false");
map.put("openjpa.weaving", "false");
return map;
}
public static void main(String[] args) {
CustomerRepository repository = SpringApplication.run(Application.class, args).getBean(CustomerRepository.class);
repository.save(new Customer("Richard", "Feynman"));
System.out.println(repository.findAll());
}
}
和 pom.xml:
<profiles>
<profile>
<id>static-weaving</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.openjpa</groupId>
<artifactId>openjpa-maven-plugin</artifactId>
<configuration>
<includes>**/openjpa/*.class</includes>
<addDefaultConstructor>true</addDefaultConstructor>
<enforcePropertyRestrictions>true</enforcePropertyRestrictions>
</configuration>
<executions>
<execution>
<id>enhancer</id>
<phase>process-classes</phase>
<goals>
<goal>enhance</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.apache.openjpa</groupId>
<artifactId>openjpa</artifactId>
<version>${openjpa.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>load-time-weaving</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-instrument</artifactId>
<version>${spring.version}</version>
</dependency>
</dependencies>
<configuration>
<argLine>-javaagent:${settings.localRepository}/org/springframework/spring-instrument/${spring.version}/spring-instrument-${spring.version}.jar</argLine>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-instrument</artifactId>
<version>${spring.version}</version>
</dependency>
</dependencies>
<configuration>
<agent>${settings.localRepository}/org/springframework/spring-instrument/${spring.version}/spring-instrument-${spring.version}.jar</agent>
<agent>${settings.localRepository}/org/apache/openjpa/openjpa/${openjpa.version}/openjpa-${openjpa.version}.jar</agent>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
有谁知道这里出了什么问题?