在浏览器中可以打开tomcat,结果在myeclipse启动tomcat会出现 a java exception has occured错误 ,之后出现一个Classloader.class的文件,关闭tomcat又出现 a java exception has occured错误 . 报错界面: 1.JVM报错,首先查看Java安装,环境变量有没有问题,java和javac命令运行正常. 2.查阅网上资料,可能是版本问题. 3.将tomcat---bin目录下的tomcat-juli.jar包…
The Java programming language uses exceptions to handle errors and other exceptional events.An exception is an event that occurs during the execution of a program that disrupts the normal flow of instructions. Java Exception Handling Overview Excepti…
javac main.java 编译后没有问题 java main 出现下面在问题: Exception in thread "main" java.lang.NoClassDefFoundError: main (wrong name: pm/main) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.…