04 Jan 2012, 23:32
Generic-user-small

Charles A. Monteiro (7 posts)

I have worked this example verbatim, here’s the stack when I try to do the rake on big_jar. This is out of the chapter on deployment. I’m running this out of my Windows 7 64 bit box using Java 1.7 and jruby 1.6.5 using the 1.9 lang option

see here:

jruby 1.6.5 (ruby-1.9.2-p136) (2011-10-25 9dcd388) (Java HotSpot(TM) 64-Bit Server VM 1.7.0_02) [Windows 7-amd64-ja va]

Note: What file or directory is it looking for ? thanks.

stack:

C:\Users\cod2\GIT\sandbox\JRuby\Scrape>jruby -S rake big_jar –trace
(in C:/Users/cod2/GIT/sandbox/JRuby/Scrape)
** Invoke big_jar (first_time)
** Invoke install_gems (first_time)
** Invoke vendor (first_time, not_needed)
** Execute install_gems
jruby -S gem install -i vendor hpricot
Successfully installed hpricot-0.8.5-java
1 gem installed
** Invoke build_launcher (first_time)
** Execute build_launcher
javac -cp jruby-complete.jar Launcher.java
** Invoke extract_jruby (first_time)
** Invoke tmp (first_time, not_needed)
** Execute extract_jruby
jar -xf ../jruby-complete.jar
** Execute big_jar
jar -cfm scrape.jar big.manifest Launcher.class scrape.rb \
-C vendor . -C tmp .
\
no such file or directory rake aborted! Command failed with status (1): [jar -cfm scrape.jar big.manifest Launcher….] C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:995:in sh' org/jruby/RubyProc.java:258:in call’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1010:in sh' C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1098:in sh’ C:/Users/cod2/GIT/sandbox/JRuby/Scrape/Rakefile:43:in (root)' org/jruby/RubyProc.java:258:in call’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in execute' org/jruby/RubyArray.java:1612:in each’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in execute' C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in invoke_with_call_chain’ C:/jruby-1.6.5/lib/ruby/1.9/monitor.rb:201:in mon_synchronize' C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in invoke_with_call_chain’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in invoke' C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in invoke_task’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in top_level' org/jruby/RubyArray.java:1612:in each’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in top_level' C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in standard_exception_handling’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in top_level' C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in run’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in standard_exception_handling' C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in run’ C:/jruby-1.6.5/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31:in (root)' org/jruby/RubyKernel.java:1073:in load’ C:/jruby-1.6.5/bin/rake:19:in `(root)’

C:\Users\cod2\GIT\sandbox\JRuby\Scrape>

10 Jan 2012, 01:17
Mr_sketchy_pragsmall

Ian Dees (195 posts)

Hi, Charles.

Do you have the latest jruby-complete build downloaded and saved into your project directory as @jruby-complete.jar@ (with no trailing version numbers)?

Does the error persist if you try the same example from the latest version of the book’s source code?

–Ian

10 Jan 2012, 01:28
Mr_sketchy_pragsmall

Ian Dees (195 posts)

Hi, Charles.

I think I’ve found the culprit. When JRuby shells out to run the @jar@ command, the shell treats the backslash in the shell command as the path @C:\@, instead of treating it as an “ignore this newline” character.

You can either remove the backslash and newline from the command inside the @Rakefile@ (which we only broke across lines to fit in the book), like this:

sh 'jar -cfm scrape.jar big.manifest Launcher.class scrape.rb -C vendor . -C tmp .'

… or change the single quotes to double quotes, like so:

sh "jar -cfm scrape.jar big.manifest Launcher.class scrape.rb \
-C vendor . -C tmp ."

Hope this helps…

–Ian

27 Jan 2012, 05:25
Generic-user-small

Charles A. Monteiro (7 posts)

Ian, thanks, I took a detour off from JRuby partially since I just need to finish some Ruby work and partially because well I was getting stuck with JRuby. I’m definitely keen on getting up to speed, JRuby is very compelling and they seem to keep up close to the MRI releases. I will put this on my queue to check out by the end of the next week.

-Charles

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