我有一个我想在我的十个服务器上部署的类。
我创建了一个persistence.xml文件,并遵循了经典的mavenachétype。这是我的项目结构:
├── pom.xml
├── README.md
├── src
│ ├── main
│ │ ├── java
│ │ │ └── dataRecovery
│ │ │ ├── ColisDao.java
│ │ │ ├── Colis.java
│ │ │ ├── FillDataBase.java
│ │ │ ├── GenerateDataBase.java
│ │ │ └── jaxws
│ │ │ ├── FillDataBase.java
│ │ │ ├── FillDataBaseResponse.java
│ │ │ └── IOExceptionBean.java
│ │ ├── resources
│ │ └── webapp
│ │ ├── META-INF
│ │ │ └── persistence.xml
│ │ ├── WEB-INF
│ │ │ ├── beans.xml
│ │ │ ├── cxf-beans.xml
│ │ │ ├── jboss-deployment-structure.xml
│ │ │ └── web.xml
│ │ └── wsdl
│ │ ├── filldatabase_schema1.xsd
│ │ └── filldatabase.wsdl
│ └── test
│ ├── java
│ └── resources
└── target
├── classes
│ └── dataRecovery
│ ├── Colis.class
│ ├── ColisDao.class
│ ├── FillDataBase.class
│ ├── GenerateDataBase.class
│ └── jaxws
│ ├── FillDataBase.class
│ ├── FillDataBaseResponse.class
│ └── IOExceptionBean.class
├── m2e-wtp
│ └── web-resources
│ ├── META-INF
│ │ ├── MANIFEST.MF
│ │ └── maven
│ │ └── com.recovery
│ │ └── dataRecovery
│ │ ├── pom.properties
│ │ └── pom.xml
│ ├── WEB-INF
│ │ ├── beans.xml
│ │ ├── cxf-beans.xml
│ │ ├── jboss-deployment-structure.xml
│ │ └── web.xml
│ └── wsdl
│ ├── filldatabase_schema1.xsd
│ └── filldatabase.wsdl
├── maven-status
│ └── maven-compiler-plugin
│ └── compile
│ └── default-compile
│ ├── createdFiles.lst
│ └── inputFiles.lst
└── test-classes
问题是当我要部署filldatabase.java类时,我会从服务器日志中获得以下错误:
WFLYJPA0033: Can't find a persistence unit named bdd_colis in deployment "dataRecovery-0.0.1-SNAPSHOT.war""},
"WFLYCTL0412: Required services that are not installed:" => [
"jboss.deployment.unit."dataRecovery-0.0.1-SNAPSHOT.war".INSTALL",
"jboss.deployment.unit."dataRecovery-0.0.1-SNAPSHOT.war".beanmanager"
],
"WFLYCTL0180: Services with missing/unavailable dependencies" => [
"jboss.deployment.unit."dataRecovery-0.0.1-SNAPSHOT.war".weld.weldClassIntrospector is missing [jboss.deployment.unit."dataRecovery-0.0.1-SNAPSHOT.war".beanmanager]",
"jboss.deployment.unit."dataRecovery-0.0.1-SNAPSHOT.war".batch.environment is missing [jboss.deployment.unit."dataRecovery-0.0.1-SNAPSHOT.war".beanmanager]"
]
}
正如其他主题所说,这可能是由于错误的persistence.xml
文件所致,但我检查了一下,似乎很好:
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0"
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">
<persistence-unit name="bdd_colis" transaction-type="JTA">
<jta-data-source>jdbc/DataSource</jta-data-source>
<class>dataRecovery.Colis</class>
<properties>
<property name="eclipselink.logging.level.sql" value="FINE" />
<property name="eclipselink.logging.parameters" value="true" />
</properties>
</persistence-unit>
</persistence>
此外,在我的colisdao.java内,这是我的ejb对象,我先前确定persistenceContext将被命名为bdd_colis。
@Stateless
public class ColisDao {
public static final String SELECT_ALL_COLIS = "select * from Colis;";
@PersistenceContext(unitName="bdd_colis")
private EntityManager em;
...
有什么建议吗?
:
持续单元由persistence.xml文件定义。META-INF目录包含permistence.xml文件的JAR文件或目录称为持久单元的根。在Java EE环境中,持久性单元的根必须是以下一个:
•EJB-JAR文件
•战争文件的Web-Inf/类目录[87]
•战争文件的Web-Inf/lib目录中的JAR文件
•耳库目录中的jar文件
•应用程序客户端jar文件
因此,将META-INF/persistence.xml
文件从src/main/webapp
目录移动到src/main/resources
目录。
Maven然后将其包装到战争文件的WEB-INF/classes
目录中。