Log4j说明
目的Log4J入门,讲解Log4J的安装、基本概念、简单用法、外部配置文件方式。环境jakarta-log4j-1.2.8.zip步骤一、安装1. 解开压缩文档,并且将distliblog4j-1.2.8.jar的路径设置到CLASSPATH。2. 测试是否安装正确。使用下面的java应用程序代码: import org.apache.log4j.Logger; import org.apache.log4j.BasicConfigurator; public class Hello { static Logger logger = Logger.getLogger(Hello.class); public static void main(String argv[]) { BasicConfigurator.configure
JVM terminated. Exit code=1
当用myeclipse 编辑时,会突然自动关闭,然后出现: JVM terminated. Exit code=1 c:j2sdk1.4.2_08binjavaw.exe -vm c:j2sdk1.4.2_08binjavaw.exe -vmargs -cp d:eclipsestartup.jar org.eclipse.core.launcher.Main [@more@]
It is indirectly referenced from required .class file
It is indirectly referenced from required .class file 错误的解决 错误提示: It is indirectly referenced from required .class file 错误的解决原因:你正要使用的类调用了另一个类,而这个类又调用了其他类,这种关系可能会有好多层。而在这个调用的过程中,某个类所在的包的缺失就会造成以上那个错误。解决方法:导入缺失的包[@more@]