Java 冬眠配置不启动jar文件
我用Maven将我的项目打包在jar中。当我启动一个jar文件时,我发现有一些例外:Java 冬眠配置不启动jar文件,java,hibernate,maven,jar,Java,Hibernate,Maven,Jar,我用Maven将我的项目打包在jar中。当我启动一个jar文件时,我发现有一些例外: Exception in thread "main" java.lang.NoClassDefFoundError: org/hibernate/cfg/Configuration at util.HibernateUtil.buildSessionFactory(HibernateUtil.java:12) at util.HibernateUtil.<clinit>(Hibern
Exception in thread "main" java.lang.NoClassDefFoundError: org/hibernate/cfg/Configuration
at util.HibernateUtil.buildSessionFactory(HibernateUtil.java:12)
at util.HibernateUtil.<clinit>(HibernateUtil.java:8)
at model.services.BusService.setBuses(BusService.java:30)
at view.Runner.main(Runner.java:20)
Caused by: java.lang.ClassNotFoundException: org.hibernate.cfg.Configuration
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 4 more
My BusService.java
package model.services;
import model.entities.Bus;
import model.repositories.BusRepository;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import util.HibernateUtil;
import java.util.ArrayList;
import java.util.List;
public class BusService {
private BusRepository busRepository;
public BusService() {
busRepository = BusRepository.getInstance();
}
public BusRepository getBusRepository() {
return busRepository;
}
public List<Bus> getBuses() {
return busRepository.getBuses();
}
public void setBuses() {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try {
SQLQuery query = session.createSQLQuery("SELECT ID, NUMBER , Rote_ID FROM bus").addEntity(Bus.class);
List<Bus> buses = query.list();
buses.size();
busRepository.setBuses(buses);
} finally {
tx.commit();
session.close();
}
}
public List<Bus> findByNumber(Integer number) {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
List<Bus> busesFinder = new ArrayList<Bus>();
try {
SQLQuery query = session.createSQLQuery("SELECT ID, NUMBER , Rote_ID FROM bus");
List<Bus> buses = query.list();
for (Bus bus : buses) {
if (bus.getNumber() == number)
busesFinder.add(bus);
}
return busesFinder;
} finally {
tx.commit();
session.close();
}
}
public void save(Bus bus) {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try {
session.save(bus);
} finally {
tx.commit();
session.close();
}
}
我使用了另一个hibernate版本,但每次都有例外。
现在我的hibernate版本是5.0.11.Final
请帮我解决这个问题。
我需要无例外地正确启动jar文件。jar文件通常不包含与WAR文件不同的库依赖项,因此您需要使用maven shade plugin之类的工具手动添加它们:
它不起作用。我添加了这样的插件:hibernate版本中会有问题吗?jar-tf名称显示了什么?包括Hibernate类吗?现在我没有关于org.Hibernate.cfg的例外,谢谢。但是maven创建了新的xml文件dependency-reduced-pom.xml。当我编译代码时,我的应用程序找不到hibernate.cfg.xml。当我像“jar-tf NAME\u OF_YOUR\u SHADED\u jar”一样打开jar时,我得到了“Error:not find or load main class jar”。我显示的jar-tf命令没有启动应用程序,它显示了存档的内容,因此,如果您遇到无法定位主文件的错误,则说明您没有使用正确的命令!谢谢!
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.0.2</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>view.Runner</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
<resources>
<resource>
<directory>hibernate.cfg.xml</directory>
</resource>
</resources>
</build>
<dependencies>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.1-api</artifactId>
<version>1.0.0.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.0.11.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.0.11.Final</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>6.0.6</version>
</dependency>
</dependencies>
public class HibernateUtil {
private static final SessionFactory sessionFactory = buildSessionFactory();
private static SessionFactory buildSessionFactory() {
try {
return new Configuration().configure().buildSessionFactory();
} catch (Exception ex) {
return (SessionFactory) new Exception(ex);
}
}
public static SessionFactory getSessionFactory() {
return sessionFactory;
}
public static void shutdown() {
getSessionFactory().close();
}}
package model.services;
import model.entities.Bus;
import model.repositories.BusRepository;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import util.HibernateUtil;
import java.util.ArrayList;
import java.util.List;
public class BusService {
private BusRepository busRepository;
public BusService() {
busRepository = BusRepository.getInstance();
}
public BusRepository getBusRepository() {
return busRepository;
}
public List<Bus> getBuses() {
return busRepository.getBuses();
}
public void setBuses() {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try {
SQLQuery query = session.createSQLQuery("SELECT ID, NUMBER , Rote_ID FROM bus").addEntity(Bus.class);
List<Bus> buses = query.list();
buses.size();
busRepository.setBuses(buses);
} finally {
tx.commit();
session.close();
}
}
public List<Bus> findByNumber(Integer number) {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
List<Bus> busesFinder = new ArrayList<Bus>();
try {
SQLQuery query = session.createSQLQuery("SELECT ID, NUMBER , Rote_ID FROM bus");
List<Bus> buses = query.list();
for (Bus bus : buses) {
if (bus.getNumber() == number)
busesFinder.add(bus);
}
return busesFinder;
} finally {
tx.commit();
session.close();
}
}
public void save(Bus bus) {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try {
session.save(bus);
} finally {
tx.commit();
session.close();
}
}
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();