I encouter a problem when running maven test + jpa + mysql. The report result
always shows that `No Persistence provider for EntityManager named jpa' (where
jpa is the persistent-unit name specified in the persistence.xml under
src/main/resources/META-INF). It looks like the test (e.g. mvn test) can not
find the persistence.xml file; however, a tutorial I found out on the internet
-
http://www.stripesbook.com/blog/index.php?/archives/34-Java-Persistence-Maven-2,-JPA,-and-Hibernate-Quickstart.html,
its source code structure is similar to mine and its test can be executed
without a problem.
Where should I specify the persistence.xml path so that the mvn test will pick
up the persistence unit (I try specify persistence.xml in
test/resources/META-INF folder it doesn't work as well)? Or where should I
check that might cause such problem?
I appreciate any help.
env: debian kernel 2.6.30-1/ java 1.6.0_10/ maven 2.0.9
exception:
Caused by: javax.persistence.PersistenceException: No Persistence provider for
EntityManager named jpa
at
javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:89)
at
javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:60)
at
exmample.domain.PersistenceProvider.<clinit>(PersistenceProvider.java:35)
... 63 more
PersistenceProvider.java
public class PersistenceProvider{
public static final String PERSISTENCE_UNIT_NAME = "jpa";
private static EntityManagerFactory factory;
static {
try {
factory =
Persistence.createEntityManagerFactory(PERSISTENCE_UNIT_NAME);
}catch(Throwable t) {
throw new ExceptionInInitializerError(t);
}
}
public static EntityManagerFactory createPersistenceFactory() {
return factory;
}
public static void close() {
if(null == factory)
throw new NullPointerException("No EntityManagerFactory
available!");
factory.close();
}
}
persistence.xml
<persistence xmlns="http://java.sun.com/xml/ns/persistence";
xmlns:xsi="http://www.23.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/ns/persistence
http://java.sun.com/ns/persistence/persistence_1_0.xsd";
version="1.0">
<persistence-unit name="jpa">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<properties>
<property name="hibernate.archive.autodetection"
value="class, hbm"/>
<property name="hibernate.show_sql" value="true"/>
<property name="hibernate.format_sql" value="true"/>
<property name="hibernate.dialect"
value="org.hibernate.dialect.MySQLDialect"/>
<property name="hibernate.connection.driver_class"
value="com.mysql.jdbc.Driver"/>
<property name="hibernate.connection.url"
value="jdbc:mysql://localhost/demo"/>
<property name="hibernate.connection.username" value="root"/>
<property name="hibernate.connection.password" value="*****"/>
<!--property name="hibernate.hbm2ddl.auto" value="create"/-->
</properties>
</persistence-unit>
</persistence>
pom.xml
<dependencies>
<!-- bsh -->
<dependency>
<groupId>org.beanshell</groupId>
<artifactId>bsh</artifactId>
<version>2.0b4</version>
</dependency>
<!-- aspectj -->
<dependency>
<groupId>aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.5.4</version>
</dependency>
<!-- tapestry -->
<dependency>
<groupId>org.apache.tapestry</groupId>
<artifactId>tapestry-core</artifactId>
<version>${tapestry-release-version}</version>
</dependency>
<dependency>
<groupId>org.apache.tapestry</groupId>
<artifactId>tapestry-ioc</artifactId>
<version>${tapestry-release-version}</version>
</dependency>
<dependency>
<groupId>org.apache.tapestry</groupId>
<artifactId>tapestry5-annotations</artifactId>
<version>${tapestry-release-version}</version>
</dependency>
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate</artifactId>
<version>3.2.2.ga</version>
<exclusions>
<exclusion>
<artifactId>jta</artifactId>
<groupId>javax.transaction</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.0</version>
</dependency>
<dependency>
<groupId>org.apache.tapestry</groupId>
<artifactId>tapestry-hibernate</artifactId>
<version>5.1.0.5</version>
</dependency>
<dependency>
<groupId>org.apache.tapestry</groupId>
<artifactId>tapestry-hibernate-core</artifactId>
<version>5.1.0.5</version>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-jta_1.0.1B_spec</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.2.1.ga</version>
</dependency>
<!-- mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>3.1.12</version>
</dependency>
<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.6</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<finalName>jecommerce</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.5</source>
<target>1.5</target>
<optimize>true</optimize>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<webResources>
<resource>
<directory>src/main/resources/META-INF</directory>
override the
destination directory for this resource
<targetPath>META-INF</targetPath>
<includes>
<include>persistence.xml</include>
</includes>
</resource>
</webResources>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<configuration>
<source>1.5</source>
<complianceLevel>1.5</complianceLevel>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>test-compile</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
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