java.io.IOException: could not run [/bin/chmod, u+rx, _jrubycleanup.bat, _jrubysetcp.bat, _jrubyvars.bat, gem, gem.bat, gem_mirror, gem_mirror.bat, gem_server, gem_server.bat, gemlock, gemri, gemwhich, gemwhich.bat, generate_yaml_index.rb, index_gem_repository.rb, jirb, jirb.bat, jruby, jruby.bat, jruby.rb, jrubyc, jrubycli, jrubyd.bat, jrubysrv, jrubyw.bat, testrb, update_rubygems, rake, rdoc, rails]
	at org.netbeans.api.ruby.platform.RubyInstallation.ensureExecutable(RubyInstallation.java:750)
	at org.netbeans.modules.ruby.rubyproject.RubyProjectModuleInstaller.restored(RubyProjectModuleInstaller.java:40)
	at org.netbeans.core.startup.NbInstaller.loadCode(NbInstaller.java:354)
	at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:273)
	at org.netbeans.ModuleManager.enable(ModuleManager.java:903)
	at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:380)
	at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:316)
	at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:260)
	at org.netbeans.core.startup.Main.getModuleSystem(Main.java:149)
	at org.netbeans.core.startup.Main.start(Main.java:300)
	at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:88)
[catch] at java.lang.Thread.run(Thread.java:595)