Warning: -jar not understood. Ignoring.
Exception in thread "main" java.lang.NoClassDefFoundError: chatPro.jar
at gnu.gcj.runtime.FirstThread.run() (/usr/lib/libgcj.so.5.0.0)
at _Jv_ThreadRun(java.lang.Thread) (/usr/lib/libgcj.so.5.0.0)
at _Jv_RunMain(java.lang.Class, byte const, int, byte const, boolean) (/usr/lib/libgcj.so.5.0.0)
at __gcj_personality_v0 (/mnt/hgfs/011/chatPro/java.version=1.4.2)
at __libc_start_main (/lib/tls/libc-2.3.4.so)
at _Jv_RegisterClasses (/mnt/hgfs/011/chatPro/java.version=1.4.2)
[root@localhost chatPro]# java -cp chatPro.jar
Usage: gij [OPTION] ... CLASS [ARGS] ...
to invoke CLASS.main, or
gij -jar [OPTION] ... JARFILE [ARGS] ...
to execute a jar file
Try `gij --help' for more information.
Exception in thread "main" java.lang.NoClassDefFoundError: chatPro.jar
at gnu.gcj.runtime.FirstThread.run() (/usr/lib/libgcj.so.5.0.0)
at _Jv_ThreadRun(java.lang.Thread) (/usr/lib/libgcj.so.5.0.0)
at _Jv_RunMain(java.lang.Class, byte const, int, byte const, boolean) (/usr/lib/libgcj.so.5.0.0)
at __gcj_personality_v0 (/mnt/hgfs/011/chatPro/java.version=1.4.2)
at __libc_start_main (/lib/tls/libc-2.3.4.so)
at _Jv_RegisterClasses (/mnt/hgfs/011/chatPro/java.version=1.4.2)
[root@localhost chatPro]# java -cp chatPro.jar
Usage: gij [OPTION] ... CLASS [ARGS] ...
to invoke CLASS.main, or
gij -jar [OPTION] ... JARFILE [ARGS] ...
to execute a jar file
Try `gij --help' for more information.
①先找出要执行的主类
打开chatPro.jar压缩包文件,阅读META-INF目录下的MANIFEST.MF文件,记下Main-Class: 后的类名
如:pkg.Class1
②用java -cp指令执行该类
如:
java -cp chatPro.jar pkg.Class1
http://hi.baidu.com/bluedream_119/blog/item/a040898254ef66b70cf4d287.html