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scss @warn directive causes "Bad file descriptor" exception

Boy does time fly!

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bman654
11 posts

Here's a sample:

div {
   @warn "Herp Derp";
}

Generates the error below on compile. I happened to be looking in Reflector at where you execute the sass compiler for entirely different purposes and noticed that each call to Compile() you dispose of the old _error stream and construct a new one, but you never assign the new error stream to the script engine...

Sass compiler error in S:\Dev\CDIS\Dev\CDIS\src\CdisWeb\jsmvc\cdis\widgets\window_controller\views\window_controller.scss.  Message:

Bad file descriptor

Sass compiler backtrace:

\sass\lib/sass/../sass/util.rb:308:in `warn'
\sass\lib/sass/../sass/util.rb:308:in `sass_warn'
\sass\lib/sass/../sass/tree/visitors/perform.rb:253:in `visit_warn'
\sass\lib/sass/../sass/tree/visitors/base.rb:34:in `send'
\sass\lib/sass/../sass/tree/visitors/base.rb:34:in `visit'
\sass\lib/sass/../sass/tree/visitors/perform.rb:17:in `visit'
\sass\lib/sass/../sass/tree/visitors/base.rb:53:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/base.rb:52:in `map'
\sass\lib/sass/../sass/tree/visitors/base.rb:52:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/perform.rb:26:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/perform.rb:37:in `with_environment'
\sass\lib/sass/../sass/tree/visitors/perform.rb:25:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/base.rb:37:in `visit'
\sass\lib/sass/../sass/tree/visitors/perform.rb:230:in `visit_rule'
\sass\lib/sass/../sass/tree/visitors/base.rb:34:in `send'
\sass\lib/sass/../sass/tree/visitors/base.rb:34:in `visit'
\sass\lib/sass/../sass/tree/visitors/perform.rb:17:in `visit'
\sass\lib/sass/../sass/tree/visitors/base.rb:53:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/base.rb:52:in `map'
\sass\lib/sass/../sass/tree/visitors/base.rb:52:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/perform.rb:26:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/perform.rb:37:in `with_environment'
\sass\lib/sass/../sass/tree/visitors/perform.rb:25:in `visit_children'
\sass\lib/sass/../sass/tree/visitors/base.rb:37:in `visit'
\sass\lib/sass/../sass/tree/visitors/perform.rb:47:in `visit_root'
\sass\lib/sass/../sass/tree/visitors/base.rb:34:in `send'
\sass\lib/sass/../sass/tree/visitors/base.rb:34:in `visit'
\sass\lib/sass/../sass/tree/visitors/perform.rb:17:in `visit'
\sass\lib/sass/../sass/tree/visitors/perform.rb:7:in `send'
\sass\lib/sass/../sass/tree/visitors/perform.rb:7:in `visit'
\sass\lib/sass/../sass/tree/root_node.rb:20:in `render'
\sass\lib/sass/../sass/engine.rb:291:in `_render'
\sass\lib/sass/../sass/engine.rb:238:in `render'
\sass\lib\sass.rb:33:in `compile'
(eval):0
Mindscape.WebWorkbench.Integration.10:0:in `Compile'
Mindscape.WebWorkbench.Integration.10:0:in `Compile'
Mindscape.WebWorkbench.Integration.10:0:in `<Compile>b__8'
Mindscape.WebWorkbench.Integration.10:0:in `ConsumerProc'
mscorlib:0:in `ThreadStart_Context'
mscorlib:0:in `Run'
mscorlib:0:in `Run'
mscorlib:0:in `ThreadStart'

CLR exception details:

IronRuby.Builtins.BadFileDescriptorError (0x80004005): Bad file descriptor
   at ℑℜ:visit:17:408:C:\Users\brandon.wallace\AppData\Local\Microsoft\VisualStudio\10.0\Extensions\Mindscape\Mindscape Web Workbench\3.0.38.19767\CustomTool\Sass\sass\lib/sass/../sass/tree/visitors/perform.rb(Closure , Object , Proc , Object )
   at Microsoft.Scripting.Interpreter.LightLambda.Run3[T0,T1,T2,TRet](T0 arg0, T1 arg1, T2 arg2)
   at IronRuby.Runtime.Calls.RubyObjectMethodDispatcherWithScope`1.Invoke[TScope](CallSite callSite, TScope scope, Object self, T0 arg0)
   at System.Dynamic.UpdateDelegates.UpdateAndExecute3[T0,T1,T2,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2)
   at IronRuby.Runtime.Calls.RubyObjectMethodDispatcherWithScope`1.Invoke[TScope](CallSite callSite, TScope scope, Object self, T0 arg0)
   at IronRuby.Builtins.KernelOps.SendMessage(RubyScope scope, Object self, String methodName, Object arg1)
   at Microsoft.Scripting.Interpreter.FuncCallInstruction`5.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run5[T0,T1,T2,T3,T4,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
   at Microsoft.Scripting.Interpreter.DynamicInstruction`5.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run4[T0,T1,T2,T3,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3)
   at Microsoft.Scripting.Interpreter.FuncCallInstruction`6.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run4[T0,T1,T2,T3,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3)
   at Microsoft.Scripting.Interpreter.DynamicInstruction`4.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 arg1)
   at IronRuby.Runtime.Calls.RubyObjectMethodDispatcherWithScope.Invoke[TScope](CallSite callSite, TScope scope, Object self)
   at Microsoft.Scripting.Interpreter.DynamicInstruction`3.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 arg1)
   at IronRuby.Runtime.Calls.RubyObjectMethodDispatcherWithScope.Invoke[TScope](CallSite callSite, TScope scope, Object self)
   at Microsoft.Scripting.Interpreter.DynamicInstruction`3.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 arg1)
   at IronRuby.Runtime.Calls.RubyObjectMethodDispatcherWithScope.Invoke[TScope](CallSite callSite, TScope scope, Object self)
   at Microsoft.Scripting.Interpreter.DynamicInstruction`3.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run4[T0,T1,T2,T3,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3)
   at Microsoft.Scripting.Interpreter.FuncCallInstruction`6.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run5[T0,T1,T2,T3,T4,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
   at System.Dynamic.UpdateDelegates.UpdateAndExecute4[T0,T1,T2,T3,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
   at Microsoft.Scripting.Interpreter.DynamicInstruction`5.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 arg1)
   at IronRuby.Runtime.RubyScriptCode.Run(Scope scope, Boolean bindGlobals)
   at IronRuby.Runtime.RubyScriptCode.Run(Scope scope)
   at Microsoft.Scripting.SourceUnit.Execute(Scope scope, ErrorSink errorSink)
   at Microsoft.Scripting.Hosting.ScriptSource.Execute(ScriptScope scope)
   at Microsoft.Scripting.Hosting.ScriptEngine.Execute(String expression, ScriptScope scope)
   at Mindscape.VisualSass.Integration.Compilation.ScssCompiler.Compile(String scss, String sourceFilePath, FileSettings settings, CompilationResult result)

Posted on Feb 29 2012

ivan 5,431 posts	Thanks for alerting us to this (and your diagnosis that we had left the stale error stream hooked up to the script engine was spot on). It will be fixed in the next nightly build (available from about 1200 GMT; see FAQ sticky thread for download info). Posted on Mar 01 2012

scss @warn directive causes "Bad file descriptor" exception

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