我正在尝试为jruby 1.7.4安装gem。我正在使用Ruby的Java实现,它是作为程序(脚本API)的一部分提供的。 这是我在命令提示符下输入的命令:
java -Xmx500M -jar lib\jruby-complete.jar --command gem install builder --user-install
以下是我遇到的错误:
RuntimeCache.java:658:in `<clinit>': java.lang.NoClassDefFoundError: org/jcoding
s/Encoding
from Ruby.java:216:in `<init>'
from Ruby.java:275:in `newInstance'
from Main.java:262:in `internalRun'
from Main.java:221:in `run'
from Main.java:201:in `main'
引起:
null:-1:in `run': java.lang.ClassNotFoundException: org.jcodings.Encoding
from null:-1:in `run'
from null:-2:in `doPrivileged'
from null:-1:in `findClass'
from null:-1:in `loadClass'
from null:-1:in `loadClass'
from null:-1:in `loadClass'
from RuntimeCache.java:658:in `<clinit>'
from Ruby.java:216:in `<init>'
from Ruby.java:275:in `newInstance'
from Main.java:262:in `internalRun'
from Main.java:221:in `run'
from Main.java:201:in `main'
答案 0 :(得分:0)
我解决了我的问题。这是我用来安装gem的更新命令:
java -Xmx500M -classpath lib\jcodings.jar;lib\joda-time.jar;lib\jruby-complete.jar org.jruby.Main --command gem install GEM --user-install