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__UNKNOWN_CONSTANT__ error on Windows on 1.7.16 (and 1.7.16.1) #2166

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jeremybmerrill opened this issue Nov 10, 2014 · 2 comments
Closed

__UNKNOWN_CONSTANT__ error on Windows on 1.7.16 (and 1.7.16.1) #2166

jeremybmerrill opened this issue Nov 10, 2014 · 2 comments
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JRuby 1.7.x windows
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Invalid or Duplicate

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@jeremybmerrill
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In short, I don't have much more detailed information than that, other than that, on Windows, the project functions correctly with JRuby 1.7.15, but not with .16 or .16.1. I don't have a minimal example, unfortunately.

In longer terms: Tabula is a locally-run Rack app for liberating data tables from PDFs. It's all Ruby, with some calls to some Java libraries. The app starts itself, then opens a browser pointing at localhost, where the app's index page should appear. Instead, on Windows, with 1.7.16/1.7.16.1, we get an error.

The error comes back as (SystemCallError) Unknown Error (206) - UNKNOWN_CONSTANT.
Since this is a Ruby app packaged by Warbler, the JRuby version is being set via jruby-jars. The error occurs on all the Windows 7 and Windows 8 machines we've tested this on -- but none of the Mac/Linux machines.

Here's our bug report thread.

Please let me know what I can do to help y'all track this down; I'm happy to help.
@jeremybmerrill
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One piece of info: I think the issue is related to the process of building for Windows (which tends to take place on Linux/Mac, not Windows). Here's why:

  1. jruby-jars is specified in the development group of our Gemfile. When it's moved to the default group, the size of the built app grows by 20 MB, suggesting that jruby-jars was added to the built app and suggesting that, ordinarily, jruby-jars is used in the build process, but not included in the built app.
  2. the issue only arises when running the built app (an exe and a jar) on Windows. Running the app from source using rackup works as expected.

@kares
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kares commented Jun 22, 2017

this one somehow got left, on the other hand it wasn't easy to reproduce.
noticed tabula is now using jruby-9.1.7.0 ... and since 1.7.x has EOL-ed we're closing.
let us know if there's any issues with 9K (in a new bug report), thanks.

@kares kares closed this as completed Jun 22, 2017
@kares kares added this to the Invalid or Duplicate milestone Jun 22, 2017
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@kares @jeremybmerrill