我正在编写一个独立的java应用程序,从Maven项目构建它并通过调用jar文件执行。持久性单元被覆盖
在我有使用持久性单元,在我的persistence.xml定义是独立的(交易类型=“RESOURCE_LOCAL”)
实际实体注解的类的实体管理应用来自另一个项目,并且因此作为依赖项添加到pom.xml文件中。
问题是,包含实体类的项目的persistence.xml会在生成jar包的目标文件夹时覆盖实际的独立应用程序的persistence.xml。
Maven构建过程中经历成功,但在运行罐子时,我得到这样一个例外:
异常线程“main” javax.persistence.PersistenceException:没有 持久性提供适用于“PersistenceUnitXXX”试图 后以下发现实现: org.eclipse.persistence.jpa.PersistenceProvider
另外包含实体类项目的持久性单元是指FO部署在应用程序服务器上,所以我认为不可能为独立应用程序重复使用persistence.xml。
聚甲醛是这样的:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.my</groupId>
<artifactId>projects</artifactId>
<version>1.0</version>
<relativePath>../..</relativePath>
</parent>
<groupId>com.my.projects</groupId>
<artifactId>mystandaloneapp</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>com.oracle.weblogic</groupId>
<artifactId>ojdbc7</artifactId>
<version>12.1.3-0-0</version>
</dependency>
<dependency>
<groupId>org.apache.openejb</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0-5</version>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>eclipselink</artifactId>
<version>2.6.2</version>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>javax.persistence</artifactId>
<version>2.1.0</version>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-web-api</artifactId>
<version>7.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20170516</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.5</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>1.4.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
<version>1.4.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.16</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.my</groupId>
<artifactId>my_entities</artifactId>
<version>1.0</version>
<scope>compile</scope>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>com.my.StandAloneApp</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>create-my-bundle</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<descriptors>
<descriptor>eksport-assembly.xml</descriptor>
</descriptors>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
文件结构是
-projects
-mystandaloneapp
-src
-main
-java
-com
-my
-db
-EntityConsumer
-resources
-WEB-INF
-persistence.xml
-my_entities
-src
-main
-java
-com
-my
-model
-db
-MyEntity
-resources
-WEB-INF
-persistence.xml
分享你的pom请 – Francesco
然后提一下文件la yout,因为如果没有这样的信息,它会咨询水晶球 –
用pom文件和文件结构更新。 –