在 Mac OS X 上运行 Java Jar 文件
我有一个在Windows下完美运行的Java应用程序,我在构建项目后进入命令行,执行命令
java -jar FileName.jar
当我将项目文件复制到我的Mac机器并执行相同的命令时,我出现以下错误:
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: com/sun/security/auth/module/NTSystem
at androidchat.AndroidChatView.<init>(AndroidChatView.java:48)
at androidchat.AndroidChatApp.startup(AndroidChatApp.java:19)
at org.jdesktop.application.Application$1.run(Application.java:171)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:678)
at java.awt.EventQueue.access$000(EventQueue.java:86)
at java.awt.EventQueue$1.run(EventQueue.java:639)
at java.awt.EventQueue$1.run(EventQueue.java:637)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:648)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.ClassNotFoundException: com.sun.security.auth.module.NTSystem
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
为什么发生这种情况是因为无论底层操作系统是什么,java都应该是可移植的?
谢谢
I have a Java application that is running perfectly under windows, i go to the command line after building the project, execute the command
java -jar FileName.jar
When i copied the project files to my Mac machine and executed the same command, i have the following error:
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: com/sun/security/auth/module/NTSystem
at androidchat.AndroidChatView.<init>(AndroidChatView.java:48)
at androidchat.AndroidChatApp.startup(AndroidChatApp.java:19)
at org.jdesktop.application.Application$1.run(Application.java:171)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:678)
at java.awt.EventQueue.access$000(EventQueue.java:86)
at java.awt.EventQueue$1.run(EventQueue.java:639)
at java.awt.EventQueue$1.run(EventQueue.java:637)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:648)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.ClassNotFoundException: com.sun.security.auth.module.NTSystem
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
why is this happening as java is supposed to be portable no matter what the underlying OS is ?
Thanks
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嘿,我之前见过这个,请参阅此处解释
摘要
sun.* 软件包不是受支持的公共接口的一部分。
不保证直接调用 sun.* 包的 Java 程序可以在所有 Java 兼容平台上运行。事实上,即使在同一平台上的未来版本中,也不能保证这样的程序能够工作。
Hey there I have seen this before see here for an explanation
Summary
The sun.* packages are not part of the supported, public interface.
A Java program that directly calls into sun.* packages is not guaranteed to work on all Java-compatible platforms. In fact, such a program is not guaranteed to work even in future versions on the same platform.
显然您正在使用
com.sun.security.auth.module.NTSystem
,一个仅在基于 Win NT 的系统上可用的内部 API。只要您坚持使用
java.*
和javax.*
包,这都是正确的。com.sun.*
包包含内部 API,它们在非 Sun VM 上不可用,并且其中许多是特定于平台的。Apparently you are using
com.sun.security.auth.module.NTSystem
, an internal API that's only available on Win NT-based systems.This is true as long as you stick to
java.*
andjavax.*
packages.com.sun.*
packages contain internal APIs, they are not available on non-Sun VMs, and many of them are platform-specific.