java代码收藏 java代码手册( 三 ) _代码

}
}
正常运行：
Java代码收藏代码
java -classpath .;../guava-12.0.jar NoClassDefFoundError.NoClassDefFoundErrorSimulator
java.lang.NoClassDefFoundError Simulator
Current ClassLoader chain:
-----------------------------------------------------------------
sun.misc.Launcher$ExtClassLoader@addbf1
--- delegation ---
sun.misc.Launcher$AppClassLoader@19821f **Current ClassLoader**
-----------------------------------------------------------------
Classloading of NoClassDefFoundError.CallerClassA in progress...
-----------------------------------------------------------------
sun.misc.Launcher$ExtClassLoader@addbf1
--- delegation ---
sun.misc.Launcher$AppClassLoader@19821f **Current ClassLoader**
-----------------------------------------------------------------
Creating a new instance of NoClassDefFoundError.CallerClassA...
Classloading of NoClassDefFoundError.ReferencingClassA in progress...
-----------------------------------------------------------------
sun.misc.Launcher$ExtClassLoader@addbf1
--- delegation ---
sun.misc.Launcher$AppClassLoader@19821f **Current ClassLoader**
-----------------------------------------------------------------
Creating a new instance of NoClassDefFoundError.ReferencingClassA...
done!
异常重现：
Java代码收藏代码
java -classpath . NoClassDefFoundError.NoCl
java.lang.NoClassDefFoundError Simulator
Current ClassLoader chain:
-----------------------------------------------------------------
sun.misc.Launcher$ExtClassLoader@addbf1
--- delegation ---
sun.misc.Launcher$AppClassLoader@19821f **Current ClassLoader**
-----------------------------------------------------------------
Classloading of NoClassDefFoundError.CallerClassA in progress...
-----------------------------------------------------------------
sun.misc.Launcher$ExtClassLoader@addbf1
--- delegation ---
sun.misc.Launcher$AppClassLoader@19821f **Current ClassLoader**
-----------------------------------------------------------------
Creating a new instance of NoClassDefFoundError.CallerClassA...
Classloading of NoClassDefFoundError.ReferencingClassA in progress...
-----------------------------------------------------------------
sun.misc.Launcher$ExtClassLoader@addbf1
--- delegation ---
sun.misc.Launcher$AppClassLoader@19821f **Current ClassLoader**
-----------------------------------------------------------------
Creating a new instance of NoClassDefFoundError.ReferencingClassA...
【java代码收藏 java代码手册】Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/collect/Maps
at NoClassDefFoundError.ReferencingClassA.init(ReferencingClassA.java:28)
at NoClassDefFoundError.CallerClassA.doSomething(CallerClassA.java:31)
at NoClassDefFoundError.NoClassDefFoundErrorSimulator.main(NoClassDefFoundErrorSimulator.jav
Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Maps
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 3 more
发生了什么？当你在classpath中不包含guava的引用的时候，由于ReferencingClassA在运行期引用了此类，导致了classloader报告找不到此类，从而出现NoClassDefFoundError 。
classloader分析
注意：
Java代码收藏代码
Classloading of NoClassDefFoundError.CallerClassA in progress...
-----------------------------------------------------------------

java代码收藏 java代码手册( 三 )

推荐阅读

京东咚咚，京东咚咚如何取消自动登录

游戏服务器在哪租怎么租用游戏服务器

吉他琴品怎么按

国产加湿器哪个牌子好加湿器什么牌子好

Promise的实现与标准

redis应用实例 redis的操作例子

46岁徐若瑄这是咋了？徐若瑄几岁

今日头条相比于其他类似的app,有什么优点？

身体乳过期还能用吗

氙气灯的安定是什么作用氙气灯的安定器起什么作用

健心“八戒”让你获宁静心灵

领带脏了用什么洗领带正确清洗方法

璟字五行属什么璟字五行属啥

上海来福士广场|雷蛇全国首家官方体验店即将开业，位于上海来福士广场

显卡用不上力怎么办，显卡不好使

感情三观是什么分别是什么观点

PS选择与抠像专业技法教程

乡村民宿设计|乡村民宿设计 | 老房子改造的新中式酒店

塑造产后辣妈的减肥法 10种低热量食物推荐

汽车如何通过涉水路段汽车怎么通过涉水路段