Hudson: Error after creating doxygen files; downgrade not working either - hudson

I'm having the following problem with Hudson after upgrading to 2.1.0:
After successfully creating the doxygen output, the following exception occurs:
Publishing Doxygen HTML results.
The determined Doxygen directory is 'C:/doxy/myDir'.
FATAL: error
hudson.util.IOException2: java.io.IOException: Unconnected pipe
The error did not occur with 2.0.1, unfortunately, downgrading does not work - Hudson tells me, that it can't read the job files anymore.
Does anyone know the best way to deal with this? Is there a simple solution to either make the doxygen plugin work in 2.1.0 or to successfully downgrade to 2.0.1?

Not sure what exactly the problem was, but migrating to the newest Jenkins release and using the HTML report publisher plugin instead of the Doxygen plugin is at least a work

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I was missing the
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Without this, it prevented me from running various shared libraries, and merely said "no such file or directory" which is a crap error message imho since the file is clearly there, just not executable.

Debug JRuby rack runtime error in tomcat

We recently upgraded an old rails app from rails 3 to 4.2, along with many other gem updates. Now I can't get my rails app to load any pages. We were on JRuby 9.1.0.0 but upgraded to 9.1.8.0. However, I'm hitting the same problem on both versions.
Once we start tomcat with our latest .war, it runs all the way until I see the INFO: Server startup in 1234ms message. I've added some debug statements in my rails environment / initializers files to follow it through and it is hitting each of them. So once I see the startup message from tomcat, I figured it would be okay. However, it immediately spits out the following message quite a few times:
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After receiving some great help from the #jruby IRC channel, they mentioned the error message was missing the specific exception message. I was using the latest version, v1.1.21 so I just made a hack-build that added some logging to identify my problem further. Turns out it was a runtime error because of some missing config.
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jekyll_lunr_js_search.rb or one of its dependencies installed once switched code to windows from ubuntu

On Ubuntu v15 my Jekyll Blog with jekyll lunr-js-search builds well as well as it gets build in gitlab-ci.
Now, I moved my project to Windows system with same versions of node, bower etc. I get following error on windows as well as gitlab-ci (This error repeated on gitlab-ci when I've made only a single line change in post). HOW TO FIX ?
ERROR
Dependency Error: Yikes! It looks like you don't have /builds/sachingpta/home/_plugins/lunrjs/jekyll_lunr_js_search.rb or one of its dependencies installed. In order to use Jekyll as currently configured, you'll need to install this gem. The full error message from Ruby is: 'cannot load such file -- v8' If you run into trouble, you can find helpful resources at https://jekyllrb.com/help/!
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Cannot get -fembed-bitcode to work

The current error that I'm getting in Xcode 7.1.1 is:
ld: bitcode bundle could not be generated because
'/Users/--/Carthage/Build/tvOS/SwiftyJSON.framework/SwiftyJSON' was built without full bitcode. All frameworks and dylibs for bitcode must be generated from Xcode Archive or Install build for architecture arm64
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As far as I know, you won't be able to re build that framework with bitcode enabled if you don't have the source.
It happened to me that i needed to rebuild from source a few frameworks that luckily were open source.
I looked into SwiftyJSON and it looks like there is already support for bitcode, try updating to the latest version https://github.com/SwiftyJSON/SwiftyJSON
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Linking errors while building VTK

I am trying to build ITKapps. I am using ITK 4.7., ITKapps 4.7. FLTK 1.1.3.
Some applications build ok, there is .exe and I can run them.
While building applications which use VTK always linking errors appears: cannot find vtkRendering.lib or vtkRenderingOpenGL.lib...
Problem is that I cant build VTK either. While building VTK there are also linking errors:
Error 3808 error LNK1104: cannot open file '......\bin\Debug\vtkRendering.lib'
I tried VTK 4.x and 5.x.. and not one version builds successfull.
VTK 6.x builds ok but building ITKapps still have linking errors.(i don't think ITKapps works with VTK 6.x) so i must use version 4 or 5.
Maybe someone have idea what am I doing wrong or some sugestions?
I had the same error, error LNK1104: cannot open file '......\bin\Debug\vtkRendering.lib' while trying to build VTK in VS 2012. In Cmake I changed the VTK_RENDERING_BACKEND value from OpenGL to OpenGL2 and later the build succeeded in VS.