虽然我正在尝试使用现有的db关系通过Hibernate生成一些类,但它会产生一些错误:
org.hibernate.console.HibernateConsoleRuntimeException: Received a NoClassDefFoundError, probably the console configuration classpath is incomplete or contains conflicting versions of the same class
Received a NoClassDefFoundError, probably the console configuration classpath is incomplete or contains conflicting versions of the same class
org.hibernate.console.HibernateConsoleRuntimeException: Received a NoClassDefFoundError, probably the console configuration classpath is incomplete or contains conflicting versions of the same class
Received a NoClassDefFoundError, probably the console configuration classpath is incomplete or contains conflicting versions of the same class
java.lang.NoClassDefFoundError: org/apache/commons/collections/MultiMap
org/apache/commons/collections/MultiMap
java.lang.ClassNotFoundException: org.apache.commons.collections.MultiMap …Run Code Online (Sandbox Code Playgroud) 我有一个关于JTextField背景颜色的问题.如何在启用的文本字段中进行更改(编辑时)?setBackground仅适用于禁用的文本字段.UIManager.put可以在窗口中为我的所有文本字段更改此背景,但我只想为其中一个执行此操作.