我有一个正在使用 struts2 和 openJPA 构建的项目。我想做一些集成测试,但我似乎在让它工作时遇到了问题。
持久性.xml
<persistence-unit name="SalesCertIT" transaction-type="RESOURCE_LOCAL">
<jta-data-source>jdbc/salesCertIT</jta-data-source>
<class>com.ist.salesCert.entities.Certification</class>
<properties>
<property name="log4j" value="DefaultLevel=WARN, Runtime=INFO, Tool=INFO, SQL=TRACE" />
<property name="openjpa.ConnectionDriverName" value="com.mysql.jdbc.Driver" />
<property name="openjpa.ConnectionURL" value="jdbc:mysql://localhost:3306/sales_certification" />
<property name="openjpa.ConnectionUserName" value="dev" />
<property name="openjpa.ConnectionPassword" value="password" />
<property name="openjpa.Id" value="SalesCertIT" />
<property name="openjpa.ConnectionDriverName" value="org.apache.derby.jdbc.EmbeddedDriver" />
</properties>
</persistence-unit>
班级:
EntityManagerFactory emf = Persistence.createEntityManagerFactory("SalesCertIT");
EntityManager em = emf.createEntityManager();
我得到错误:
必须在 ConnectionDriverName 属性中指定 JDBC 驱动程序或 DataSource 类名。
我已将 persistence.xml 和 mysql-connector-java- * -stable-bin-jar 添加到类路径中,(Eclipse->debug Configuration->Classpath->Bootstrap 条目)
如果我尝试在运行时对其进行配置,它确实可以工作,但是在尝试执行操作时会出现另一个错误:
HashMap<String, String> conf = new HashMap<String, String>();
conf.put("openjpa.ConnectionDriverName", "com.mysql.jdbc.Driver");
conf.put("openjpa.ConnectionURL", "jdbc:mysql://localhost:3306/sales_certification");
conf.put("openjpa.ConnectionUserName", "dev");
conf.put("openjpa.ConnectionPassword", "password");
conf.put("openjpa.TransactionMode", "local");
conf.put("openjpa.Id", "SalesCertIT");
EntityManagerFactory emf = Persistence.createEntityManagerFactory("SalesCertIT", conf);
EntityManager em = emf.createEntityManager();
“class com.ist.salesCert.entities.Certification”类型没有得到增强。
我尝试添加一个 javaagent 参数:(Eclipse->Debug Configurations->Arguments->VM arguments)
-javaagent:C:/Progra~1/IBM/WebSphere/AppServer/plugins/com.ibm.ws.jpa.jar
在这一点上,我不知道还能尝试什么。有任何想法吗?