From: Daniel Berger <djberg96@...>
Date: 2009-08-03T13:17:49+09:00
Subject: Re: JRuby, ffi, bad file descriptor



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