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

An excellent idea. Careful though: JDK8 is mandatory for Nashorn.

And I understood just now why therubyrhino: rails complex stack for asset
compilation. Why not sprockets instead?
On Jul 14, 2014 1:38 AM, "Chris Seaton" <[email protected]> wrote:

> 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
>>>>
>>>>
>>>
>
>