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. Lock方法是用于数据库的锁机制，

    Lock方法是用于数据库的锁机制,如果在查询或者执行操作的时候使用: lock(true); 复制代码   就会自动在生成的SQL语句最后加上 FOR UPDATE或者FOR UPDATE NOWAI ...

  2. BZOJ 2281 消失之物

    ftiasch 有 N 个物品, 体积分别是 W1, W2, -, WN. 由于她的疏忽, 第 i 个物品丢失了. "要使用剩下的 N – 1 物品装满容积为 x 的背包,有几种方法呢?&q ...

  3. vs nuget 本地安装 nupkg包

    Install-Package fluentnhibernate -Source C:\Users\Alex\AppData\Local\NuGet\Cache\ 包名 路径

  4. PAT甲级——A1083 List Grades

    Given a list of N student records with name, ID and grade. You are supposed to sort the records with ...

  5. Java(8)中List的遍历方式总结

    本篇文章主要讲述了List这一集合类型在Java,包括Java8中的遍历方式,不包括其他的过滤,筛选等操作,这些操作将会在以后的文章中得到提现,由List可以类推到Set等类似集合的遍历方式. pub ...

  6. Asp.net Core Jenkins Docker 实现一键化部署

    写在前面 在前段时间尝试过用Jenkins来进行asp.net core 程序在IIS上面的自动部署.大概的流程是Jenkins从git上获取代码 最开始Jenkins是放在Ubuntu的Docker ...

  7. drools跳转出现错误问题（400）

    400 Sorry, a technical error occurred. Please contact a system administrator. 今天drools的管理平台tomcat部署完 ...

  8. 2019-8-26-当-ASP.NET-Core-链接找不到时可能的原因

    title author date CreateTime categories 当 ASP.NET Core 链接找不到时可能的原因 lindexi 2019-08-26 18:52:28 +0800 ...

  9. 8种nosql数据库对比

    1. CouchDB 所用语言: Erlang 特点:DB一致性,易于使用 使用许可: Apache 协议: HTTP/REST 双向数据复制, 持续进行或临时处理, 处理时带冲突检查, 因此,采用的 ...

  10. Python_day01——字符串

    https://www.cnblogs.com/A-FM/p/5691468.html def main(): str1 = 'hello, world!' # 通过len函数计算字符串的长度 # 获 ...