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I'm trying to run a fresh JRuby Rails app using the Google App Engine devserver, but keep getting this Runtime Permission error. I'm guessing it has something to do with my local java environment, but not sure.
本地設置：Mac OSX Mavericks，Java 7，JRuby 1.7.6以2.0.0兼容模式運行。當使用Google App Engine開發服務器運行新鮮的Rails應用程序時發生java.security.AccessControlException
下面是完整的堆棧跟蹤（以下節選）https://gist.github.com/feinbergscott/224c6294eba0634b0db6
java.security.AccessControlException: access denied ("java.lang.RuntimePermission" "accessClassInPackage.sun.misc")
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:372)
at java.security.AccessController.checkPermission(AccessController.java:559)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:431)
at java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:1529)
at java.lang.ClassLoader$1.run(ClassLoader.java:503)
at java.lang.ClassLoader$1.run(ClassLoader.java:501)
at java.security.AccessController.doPrivileged(Native Method)
at java.lang.ClassLoader.checkPackageAccess(ClassLoader.java:501)
at jnr.posix.POSIXFactory.getJavaPOSIX(POSIXFactory.java:91)
at jnr.posix.POSIXFactory.loadPOSIX(POSIXFactory.java:57)
at jnr.posix.LazyPOSIX.loadPOSIX(LazyPOSIX.java:33)
at jnr.posix.LazyPOSIX.posix(LazyPOSIX.java:29)
at jnr.posix.LazyPOSIX.stat(LazyPOSIX.java:267)
at org.jruby.RubyFileTest.directory_p(RubyFileTest.java:106)