Re: [jruby-user] Re: JRE 7 / JRuby 1.7.13 - fatal error precompiling assets for Rails 3.2.x application

Rhino is not a fast implementation of JS - whether or not it’s integrated into JRuby via therubyrhino. Is anyone working on a therubynashorn yet?

Chris

On 13 Jul 2014, at 18:33, TJG <[email protected]> wrote:

> Salut Christian;
> 
> Thanks for your observation about the memory allocation. Perhaps that was the original problem. 
> 
> No, I didn't move my project from JRuby to nodejs. I just removed therubyrhino javascript interpreter and now let the precompilation of assets depend on node.js instead
> https://github.com/sstephenson/execjs#readme
> 
> I do not understand the mechanics of it all, yet, but this change was certainly a life-saver. 
> 
> With no other changes (i.e. no increased memory or anything like that), my assets now precompile without failure by the JVM. 
> 
> 
> Tim
> 
> 
> 
> On Sun, Jul 13, 2014 at 1:25 PM, Christian MICHON <[email protected]> wrote:
> Moving from jruby to nodejs? Therubyrhino gem?
> 
> Could you please then explain your architecture? It's extremely unclear from your 2 emails.
> 
> On 1st email I can see you allocated only 500Mb to your jruby job. I would advise for 1.5Gb if you're stuck on 32 bits, 2Gb and above if you're on 64 bits.
> 
> On Jul 13, 2014 11:51 PM, "TJG" <[email protected]> wrote:
> Resolved this by installing node.js on the server, and dropping therubyrhino gem. 
> 
> Asset precompilation worked nicely, with no JVM segmentation faults. 
> 
> And, on y development machine, asset precompilation dropped from 2 hours to 7 minutes. 
> 
> T
> 
> 
> 
> On Tue, Jul 8, 2014 at 10:50 PM, TJG <[email protected]> wrote:
> Environment:
> 
> Ubuntu 12.04 LTS
> JRuby 1.7.13
> JRE 7.0_60-b19
> Rails 3.2.12 application
> 
> Hi all;
> 
> Does anyone recognize this problem or can anyone suggest what I might try to figure out what's gone wrong? 
> 
> $ jruby -S rake assets:precompile:all RAILS_ENV=staging RAILS_GROUPS=assets
> 
> Starts off okay...
> 
> Compiled jquery-plugins/jquery.blockUI.js  (2ms)  (pid 29552)
> Compiled jquery-plugins/jquery.cookie.js  (2ms)  (pid 29552)
> Compiled jquery-plugins/jquery.form.js  (13ms)  (pid 29552)
> Compiled jquery-plugins/jquery.safeEnter.js  (0ms)  (pid 29552)
> Compiled ckeditor/basepath.js  (16ms)  (pid 29552)
> Compiled ckeditor/ckeditor.js  (7ms)  (pid 29552)
> Compiled ckeditor/jquery.js  (0ms)  (pid 29552)
> Compiled ckeditor-jquery.js  (118ms)  (pid 29552)
> Compiled application.js  (1346ms)  (pid 29552)
> Compiled admin.js  (1389ms)  (pid 29552)
> 
> Then... boom:
> 
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGSEGV (0xb) at pc=0x00007f32b205cff1, pid=29552, tid=139855679133440
> #
> # JRE version: Java(TM) SE Runtime Environment (7.0_60-b19) (build 1.7.0_60-b19)
> # Java VM: Java HotSpot(TM) 64-Bit Server VM (24.60-b09 mixed mode linux-amd64 compressed oops)
> # Problematic frame:
> # V  [libjvm.so+0x5c2ff1]  oopDesc::size_given_klass(Klass*)+0x1
> #
> # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
> 
> 
> [ From error dump ]:
> VM Arguments:
> jvm_args: -Xmx500m -Xss2048k -Djffi.boot.library.path=/home/sshadmin/.rvm/rubies/jruby-1.7.13/lib/jni -Xbootclasspath/a:/home/sshadmin/.rvm/rubies/jruby-1.7.13/lib/jruby.jar -Djruby.home=/home/sshadmin/.rvm/rubies/jruby-1.7.13 -Djruby.lib=/home/sshadmin/.rvm/rubies/jruby-1.7.13/lib -Djruby.script=jruby -Djruby.shell=/bin/sh
> java_command: org.jruby.Main -S rake assets:precompile:all RAILS_ENV=staging RAILS_GROUPS=assets
> Launcher Type: SUN_STANDARD
> 
> Environment Variables:
> JAVA_HOME=/usr/lib/jvm/jdk1.7.0_60
> PATH=/webapps/polar/shared/bundle/jruby/1.9/bin:/home/sshadmin/.rvm/gems/jruby-1.7.13/bin:/home/sshadmin/.rvm/gems/jruby-1.7.13@global/bin:/home/sshadmin/.rvm/rubies/jruby-1.7.13/bin:/home/sshadmin/.rvm/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/imagemagick-6.7.2/bin:/usr/lib/postgresql/9.1/bin:/usr/lib/jvm/jdk1.7.0_60/bin
> LD_LIBRARY_PATH=/usr/local/imagemagick-6.7.2/lib:/usr/local/imagemagick-6.7.2/lib:/usr/local/imagemagick-6.7.2/lib
> SHELL=/bin/bash
> 
> 
> Many thanks,
> Tim
> 
> 
>