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[英]Gradle project doesn't import classes out of other projects or javax.persistence
[英]import javax.persistence couldn't be resolved in my first Maven Hibernate Project
我已经阅读了一个月的书籍和文章,然后尝试创建我的第一个Maven项目:)但是开始并不像我预期的那么顺利。 我一直在用各种依赖工件来摆弄我的POM.xml以启用休眠注释,但是似乎没有任何效果。 我总是收到错误,在导入中未解析javax.persistence.Entity或任何其他注释。
<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>
<groupId>FirstHibernateExample</groupId>
<artifactId>FirstHibernateExample</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>FirstHibernateExample</name>
<description>This is my first project with Hibernate</description>
<build>
<sourceDirectory>src</sourceDirectory>
<resources>
<resource>
<directory>src</directory>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
</resources>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>JBoss repository</id>
<url>http://repository.jboss.com/maven2/</url>
</repository>
<repository>
<id>Java.Net</id>
<url>http://download.java.net/maven/2/</url>
</repository>
</repositories>
<dependencies>
<!-- Javaee API -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.31</version>
</dependency>
<!-- Hibernate core -->
<dependency>
<groupId>hibernate</groupId>
<artifactId>hibernate3</artifactId>
<version>3.2.3.GA</version>
</dependency>
<!-- Hibernate annotation -->
<dependency>
<groupId>hibernate-annotations</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.3.0.GA</version>
</dependency>
<dependency>
<groupId>hibernate-commons-annotations</groupId>
<artifactId>hibernate-commons-annotations</artifactId>
<version>3.0.0.GA</version>
</dependency>
<!-- Hibernate library dependecy start -->
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>2.2</version>
</dependency>
<!-- Hibernate library dependecy end -->
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency>
有人可以指出我错了吗,或者应该怎么做才能使我的第一个项目运行? 提前非常感谢:)
最后,以下命令解决了该问题。 mvn eclipse:eclipse -DdownloadSource = true
我是从下面的链接http://w3facility.org/question/javax-persistence-sources-where/找到的
希望它将对以后的人有所帮助:)
编辑:在另一个项目中,我只需右键单击错误导入语句,然后单击修复项目设置。 它建议我在M2_REPO中将buildpath添加到javaee-api6.0.jar中,从而解决了该问题。
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