我在 cxf(jax-rs) + Struts 2 中使用 OpenJPA。没有外部事务管理器。为什么我会收到“只能在事务处于活动状态时执行操作。”?
我persistence.xml
的是这样的:
<?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" version="2.0"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="myPU"
transaction-type="RESOURCE_LOCAL">
<class>com.bb.bba.entity.Advertisement</class>
<class>com.bb.bba.entity.Poi</class>
<properties>
<property name="openjpa.ConnectionDriverName" value="org.apache.derby.jdbc.ClientDriver" />
<property name="openjpa.ConnectionURL" value="jdbc:derby://localhost:1527/bba;create=true" />
<property name="openjpa.jdbc.SynchronizeMappings" value="buildSchema" />
<property name="openjpa.DynamicEnhancementAgent" value="false" />
<property name="openjpa.RuntimeUnenhancedClasses" value="supported" />
<property name="openjpa.ConnectionUserName" value="APP" />
<property name="openjpa.ConnectionPassword" value="asdasd" />
<property name="openjpa.Log" value="SQL=TRACE"/>
</properties>
</persistence-unit>
</persistence>
我收到以下错误。
35692 2012-06-02 03:50:57,847 DEBUG [http-33791-1] resolver.DefaultTraversableResolver.initJpa (DefaultTraversableResolver.java:77) - Found javax.persistence.PersistenceUtil on classpath.
35729 2012-06-02 03:50:57,884 DEBUG [http-33791-1] resolver.DefaultTraversableResolver.initJpa (DefaultTraversableResolver.java:91) - Instantiated an instance of org.apache.bval.jsr303.resolver.JPATraversableResolver.
35755 2012-06-02 03:50:57,910 TRACE [http-33791-1] jsr303.DefaultMessageInterpolator.loadBundle (DefaultMessageInterpolator.java:189) - ValidationMessages not found by thread local classloader
35755 2012-06-02 03:50:57,910 TRACE [http-33791-1] jsr303.DefaultMessageInterpolator.loadBundle (DefaultMessageInterpolator.java:189) - ValidationMessages not found by validator classloader
35756 2012-06-02 03:50:57,911 DEBUG [http-33791-1] jsr303.DefaultMessageInterpolator.getFileBasedResourceBundle (DefaultMessageInterpolator.java:176) - ValidationMessages not found. Delegating to org.apache.bval.jsr303.ValidationMessages
35778 2012-06-02 03:50:57,933 DEBUG [http-33791-1] xml.ValidationParser.parseXmlConfig (ValidationParser.java:88) - No META-INF/validation.xml found. Using annotation based configuration only.
646 myPU INFO [http-33791-1] openjpa.Runtime - OpenJPA dynamically loaded a validation provider.
922 myPU INFO [http-33791-1] openjpa.Runtime - Starting OpenJPA 2.1.1
1703 myPU INFO [http-33791-1] openjpa.jdbc.JDBC - Using dictionary class "org.apache.openjpa.jdbc.sql.DerbyDictionary".
11326 myPU WARN [http-33791-1] openjpa.Enhance - Creating subclass for "[class com.bb.bba.entity.Poi, class com.bb.bba.entity.Advertisement]". This means that your application will be less efficient and will consume more memory than it would if you ran the OpenJPA enhancer. Additionally, lazy loading will not be available for one-to-one and many-to-one persistent attributes in types using field access; they will be loaded eagerly instead.
我在这里
......非致命用户错误> org.apache.openjpa.persistence.TransactionRequiredException:只能在事务处于活动状态时执行操作。在 org.apache.openjpa.kernel.BrokerImpl.assertActiveTransaction(BrokerImpl.java:4658) 在 org.apache.openjpa.kernel.DelegatingBroker.assertActiveTransaction(DelegatingBroker.java:1386) 在 org.apache.openjpa.persistence.EntityManagerImpl.flush (EntityManagerImpl.java:661) 在 com.bb.bba.dao.MyDao.createPoi(MyDao.java:21) 在 com.bb.bba.services.Service.createPoi(POIService.java:36)