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Unable to access jarfile start.jar when trying to use solspot solr with JRuby on Rails on Windows 7 x64

My team and I are working on developing a JRuby on Rails application on top of Red Hat Enterprise Linux. Our client may ask us to convert it to work on top of Windows, so I begin to do a preliminary search for the path using the Windows 7 x64 machine.

I got jruby -S rake db: drop, db: create and db: transfer tasks to work correctly. However, I was not able to get rake db: seed to work, because we use Sunspot and you need to run it before db: the seed will work correctly. When I try to run rake sunspot: solr: run --trace, I get the following output:

** Invoke sunspot:solr:run (first_time) ** Invoke environment (first_time) ** Execute environment Using dev environment: development ** Execute sunspot:solr:run java version "1.6.0_29" Java(TM) SE Runtime Environment (build 1.6.0_29-b11) Java HotSpot(TM) Client VM (build 20.4-b02, mixed mode, sharing) Unable to access jarfile start.jar

I suppose this is due to a classpath problem or something like that, but I was able to figure out what exactly is happening. I tried some things with passing classpath arguments to JRuby, and changing the classpath in application.rb, but have not yet come up with any working solution.

I was hoping that some people might have an answer or some ideas. Thanks!

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Finally, I was able to solve this problem with some information that I found in the release in the github sunspots section: https://github.com/sunspot/sunspot/issues/163

Basically it was necessary to open sunspot / solr / server.rb and on line 104 change exec (...) to the system (...)

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Source: https://habr.com/ru/post/1400668/

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