我的应用程序在jruby-1.7.12上使用puma和torquebox 4完美运行。
我正在尝试最新的jruby-graal（9k）puma和torquebox 4。
但我的服务器并没有开始使用jruby-graal。这就是它被困住的地方。
krunal@krunal-Lenovo-IdeaPad-U530-Touch:~/code/test$ rails s puma
file:/home/krunal/.rvm/rubies/jruby-graal/lib/jruby.jar!/jruby/java/core_ext/object.rb:27 warning: ambiguous Java methods found, using isJavaIdentifierStart(int)
file:/home/krunal/.rvm/rubies/jruby-graal/lib/jruby.jar!/jruby/java/core_ext/object.rb:28 warning: ambiguous Java methods found, using isJavaIdentifierPart(int)
file:/home/krunal/.rvm/rubies/jruby-graal/lib/jruby.jar!/jruby/java/core_ext/object.rb:27 warning: ambiguous Java methods found, using isJavaIdentifierStart(int)
file:/home/krunal/.rvm/rubies/jruby-graal/lib/jruby.jar!/jruby/java/core_ext/object.rb:28 warning: ambiguous Java methods found, using isJavaIdentifierPart(int)