From: Charles Oliver Nutter <headius@...>
Date: 2009-08-03T13:34:05+09:00
Subject: Re: JRuby, ffi, bad file descriptor

Got the source of that temp.rb handy? It looks like it's passing a
bad/closed descriptor to IO.new or something...

On Sun, Aug 2, 2009 at 11:17 PM, Daniel Berger<djberg96@gmail.com> wrote:
>
>
> On Aug 2, 2:32 am, Charles Oliver Nutter <head...@headius.com> wrote:
>> Hmm, did you post this to JRuby dev list or ruby-ffi list yet? Could
>> be something simple...
>>
>> You might also try getting a raw Java backtrace by passing this flag to JRuby:
>>
>> -J-Djruby.backtrace.style=raw
>>
>> That will show us if it's happening in JRuby's IO code or in FFI somewhere.
>
> I tried to post to jruby-dev, but I guess you can't post directly to
> the list via google groups.
>
> Here's the output using the flag you suggested:
>
> daniel-bergers-computer:~/Documents/workspace/file-temp/lib/file
> djberge$ jruby -J-Djruby.backtrace.style=raw temp.rb
> Thread.java:1409:in `getStackTrace': Bad file descriptor - Bad file
> descriptor (Errno::EBADF)
>        from RubyException.java:139:in `setBacktraceFrames'
>        from RaiseException.java:160:in `setException'
>        from RaiseException.java:72:in `<init>'
>        from Ruby.java:3033:in `newRaiseException'
>        from Ruby.java:2789:in `newErrnoEBADFError'
>        from RubyIO.java:895:in `initialize'
>        from RubyFile.java:405:in `initialize'
>        from org/jruby/RubyFile$i_method_0_2$RUBYFRAMEDINVOKER
> $initialize.gen:-1:in `call'
>        from DynamicMethod.java:176:in `call'
>        from SuperCallSite.java:344:in `cacheAndCall'
>        from SuperCallSite.java:188:in `callBlock'
>        from SuperCallSite.java:193:in `call'
>        from temp.rb:31:in `method__1$RUBY$initialize'
>        from temp#initialize:-1:in `call'
>        from CachingCallSite.java:238:in `cacheAndCall'
>        from CachingCallSite.java:46:in `callBlock'
>        from CachingCallSite.java:51:in `call'
>        from RubyClass.java:593:in `newInstance'
>        from RubyIO.java:822:in `newInstance'
>        from org/jruby/RubyIO$s_method_0_0$RUBYFRAMEDINVOKER
> $newInstance.gen:-1:in `call'
>        from DynamicMethod.java:160:in `call'
>        from DynamicMethod.java:156:in `call'
>        from CachingCallSite.java:258:in `cacheAndCall'
>        from CachingCallSite.java:77:in `call'
>        from temp.rb:45:in `__file__'
>        from temp.rb:-1:in `load'
>        from Ruby.java:592:in `runScript'
>        from Ruby.java:514:in `runNormally'
>        from Ruby.java:360:in `runFromMain'
>        from Main.java:268:in `run'
>        from Main.java:113:in `run'
>        from Main.java:97:in `main'
>
> Regards,
>
> Dan
>
>