swing

Exception in thread "AWT-EventQueue-0" javax.persistence.PersistenceException: No Persistence provider for EntityManager named null

    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:)

    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:)

    at com.hs.selenium.MainFrame.initComponents(MainFrame.java:)

    at com.hs.selenium.MainFrame.<init>(MainFrame.java:)

    at com.hs.selenium.MainFrame$.run(MainFrame.java:)

    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:)

    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:)

    at java.awt.EventQueue.access$(EventQueue.java:)

    at java.awt.EventQueue$.run(EventQueue.java:)

    at java.awt.EventQueue$.run(EventQueue.java:)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:)

    at java.awt.EventQueue.dispatchEvent(EventQueue.java:)

    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:)

    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:)

    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:)

    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:)

    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:)

    at java.awt.EventDispatchThread.run(EventDispatchThread.java:)

Exception in thread "AWT-EventQueue-0" javax.persistence.PersistenceException: No Persistence provider for EntityManager named null的更多相关文章

  1. javax.persistence.PersistenceException: No Persistence provider for EntityManager named ...

    控制台下输出信息 原因:persistence.xml必须放在src下META-INF里面. 若误放在其他路径,就会迷路.

  2. cxf之Exception in thread "main" java.lang.NoSuchMethodError: org.apache.cxf.jaxrs.provider.ProviderFactory.<init>(Lorg/apache/cxf/Bus;)V

    pom.xml中关于cxf的配置jar包冲突??? 1.http://blog.csdn.net/yzl_8877/article/details/53216923 2.https://www.cnb ...

  3. 在eclipse中用java调用python报错 Exception in thread "main" ImportError: Cannot import site module and its dependencies

    最近做项目需要用java调用python,配置了jython后,运行了例子代码: 获得一个元组里面的元素: import org.python.util.PythonInterpreter; publ ...

  4. cloudera-scm-server启动时出现Caused by: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not open connection问题解决方法（图文详解）

    问题现象 查看 [root@cmbigdata1 cloudera-scm-server]# pwd /var/log/cloudera-scm-server [root@cmbigdata1 clo ...

  5. 【异常】idea执行Main方法出现 Exception in thread "main" java.lang.NoClassDefFoundError: javax/servlet/http/HttpServletRequest

    一.异常复现步骤 1)首先得是一个Spring MVC项目 注:Spring Boot项目有内置的web 容器,不会出现该问题 2)main方法存在于使用HttpServletRequest类的类中 ...

  6. Exception in thread "main" javax.validation.ValidationException: Unable to find a default provider

    Exception in thread "main" javax.validation.ValidationException: Unable to find a default ...

  7. Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: Cannot open connection

    Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceE ...

  8. javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: ResultSet is from UPDATE. No Data.

    Java jpa调用存储过程,抛出异常如下: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCEx ...

  9. 编译运行java程序出现Exception in thread "main" java.lang.UnsupportedClassVersionError: M : Unsupported major.minor version 51.0

    用javac编译了一个M.java文件, 然后用java M执行,可是出现了下面这个错误. Exception in thread "main" java.lang.Unsuppo ...

随机推荐

  1. [JZOJ4763] 【NOIP2016提高A组模拟9.7】旷野大计算

    题目 题目大意 给你一个数列,有很多个询问,询问一段区间内,某个数乘它的出现次数的最大值,也就是带权众数. 思考历程 第一次看到这道题,立马想到了树套树之类的二位数据结构,发现不行.(就算可以也很难打 ...

  2. Spring Cache 简介

    org.springframework.cache; org.springframework.cache.Cache org.springframework.cache.CacheManager 依赖 ...

  3. 绕过CDN查找真实IP方法总结

    CDN的全称是Content Delivery Network,即内容分发网络.CDN是构建在现有网络基础之上的智能虚拟网络,依靠部署在各地的边缘服务器,通过中心平台的负载均衡.内容分发.调度等功能模 ...

  4. Spark-内存管理调优

    这篇文章主要是对官网内容学习过程的总结,大部分是原文,加上自己的学习笔记!!! spark 2.0+内存模型 调优内存使用时需要考虑三个因素: 对象使用的内存数量(您可能希望您的整个数据集都能装入内存 ...

  5. 2019 西电ACM校赛网络赛 题解

    今年题目难度有较大提升,总体与往年类似,数学题居多.以下为我通过的部分题解. 赛题链接:http://acm.xidian.edu.cn/contest.php?cid=1053 A - 上帝视角 我 ...

  6. java单元测试小结

    1. mock 构造函数 import static org.junit.Assert.*; import java.util.ArrayList; import org.junit.Test; im ...

  7. SpringIOC注入模块中xml文件导入其他xml文件配置

    如果我们在spring框架中配置了多个xml文件,我们可以在读取配置文件的时候把这些xml文件一下全都读取 也可以只读一个总的xml文件,在这个总的xml文件中把其他的xml全都都导入进来. 例如: ...

  8. BigNum模板

    #include<iostream> #include<cstring> #include<iomanip> #include<algorithm> u ...

  9. 原生js封装ajax代码

    方法一:(类似jQuery的封装方法) 1.ajax函数封装: /* *author: Ivan *date: 2014.06.01 *参数说明: *opts: {'可选参数'} **method: ...

  10. 使用C++日志库log4cplus

    用vs2015编译log4cplus,新建工程使用该库的时候出现连接错误,错误原因如下所述: 编译unicode版,可以正常使用了.