问题描述
我遇到了一些java问题。检查出来。
I got some problems with the java. Check it out.
sebastian @ sebastian-desktop:〜/ scaaaaaaaaala $ java -cp /home/sebastian/.m2/repository/org/ scala-lang / scala-library / 2.8.0.RC3 / scala-library-2.8.0.RC3.jar:target / scaaaaaaaaaa-1.0.jar scaaalaaa.App
Hello World!
这很酷,对,但是如何回合:
That's cool, right, but how bout this:
sebastian @ sebastian-desktop:〜/ scaaaaaaaaa $ java -cp /home/sebastian/.m2/repository/org/scala-lang/scala-library/2.8.0.RC3/scala -library-2.8.0.RC3.jar -jar target / scaaaaaaaaaala-1.0.jar
Exception in thread "main" java.lang.NoClassDefFoundError: scala/Application
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at scaaalaaa.App.main(App.scala)
Caused by: java.lang.ClassNotFoundException: scala.Application
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)
... 13 more
看哪?知道为什么第一个有效而不是第二个?我怎么 - 我的scala ??
Wat the heck? Any idea why the first works and not the 2nd? How do I -jar my scala??
我提前感谢,兄弟。
推荐答案
如果定义-jar,则忽略-classpath:
If you define -jar the -classpath is ignored:
您可以在。
启动应用程序的最简单方法是使用scala脚本:
The easiest way to start your app is using the scala scripts:
scala -classpath target/scaaaaaaaaala-1.0.jar scaaalaaa.App Hello World!
这篇关于使用java -jar运行scala应用程序的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!