On Feb 11, 2008 1:28 PM, hemant <[EMAIL PROTECTED]> wrote: > On Mon, Feb 11, 2008 at 8:20 PM, John Wells <[EMAIL PROTECTED]> wrote: > > On Feb 11, 2008 5:03 AM, hemant kumar <[EMAIL PROTECTED]> wrote: > > > > > > On Mon, 2008-02-11 at 00:55 -0800, Alex Soto wrote: > > > > does require 'lib/formatters' work? > > > > > > > > > > > > On Feb 10, 2008, at 10:11 PM, John Wells wrote: > > > > > > > > > Hi guys, > > > > > > > > > > New to backgroundrb, and I like it very much conceptually, but I'm > > > > > struggling to get it to run successfully. I started with trunk, but > > > > > was getting a very strange gem require error when starting a worker > > > > > (though it wasn't telling me which gem was missing)....see here: > > > > > http://pastie.caboo.se/150225 > > > > > > Its not complaining about any missing gems, rather its not able to load > > > workers defined inside lib/workers directory. You must define at least > > > one worker, before you can start bdrb. In case, you have already defined > > > a worker, Can we have a look at the code of your worker? > > > > Thanks for your help. Sure thing...the code is below. However, I'm > > very curious...how did you determine this was the problem? Just so I > > know what to look for in the future. > > Because, when I saw error at: > > http://pastie.caboo.se/150225 > > It clearly says thats start_worker is failing on 114 line. Generally > this happens, when bdrb is not able to load a particular worker file. > Also, you see empty string "gem_original_require': no such file to > load -- (LoadError)" because bdrb is not able to get name of worker > file to load correctly. > > > > > > > ===== controller that instantiates worker ===== > > class Admin::BatchController < Admin::ApplicationController > > > > def initialize > > super > > @formats = GW::BatchListing::ListingRow.formats > > @part_of = :admin > > end > > > > def get_progress > > if request.xhr? > > progress_percent = MiddleMan.get_worker(session[:job_key]).progress > > render :update do |page| > > page.call('progressPercent', 'progressbar', progress_percent) > > page.redirect_to( :action => 'done') if progress_percent >= 100 > > end > > else > > redirect_to :action => 'index' > > end > > end > > > > def done > > errors = "DONE " + MiddleMan.get_worker(session[:job_key]).errors > > if errors.size > 0 > > flash[:notice] = errors.join("<br/>") > > else > > flash[:notice] = "Successful load." > > end > > MiddleMan.delete_worker(session[:job_key]) > > end > > > > def add > > @user = User.find(params[:id]) > > @cats = Category.find(:all, :conditions=>"parent_id is null") > > if request.post? > > listings = params[:listings] > > content_type = listings.content_type.chomp > > if "application/zip"!=content_type and > > "application/x-zip-compressed"!=content_type > > flash[:notice] = > > "Only files of type application/zip " + > > "and application/x-zip-compressed " + > > "can be used. You uploaded #{content_type}." > > else > > # write out to tmp file > > tmpfile = "/tmp/#{rand 500000}.zip" > > open(tmpfile, "w") do |f| > > f << listings.read > > end > > parser = > > GW::BatchListing::ListingParser.new(params[:format], > > > > params[:listing_type], > > @user) > > session[:job_key] = > > MiddleMan.new_worker(:class => :foo_worker, > > :args => parser) > > end > > end > > end > > end > > > > There are couple of problems with above code, for example, > MiddleMan.get_worker is not defined. To get an idea about, which > methods are defined for MiddleMan, have a look at, > > http://backgroundrb.rubyforge.org/classes/BackgrounDRb/WorkerProxy.html > > Also, you should read README file that comes with plugin. > > > ===== and the worker itself ===== > > class BatchImportWorker < BackgrounDRb::MetaWorker > > attr_reader :progress > > attr_reader :errors > > set_worker_name :batch_import_worker > > > > def create(args = nil) > > # this method is called, when worker is loaded for the first time > > end > > > > def do_work(parser) > > @progress = 0 > > @errors = parser.process(tmpfile) > > end > > end > > Well, I find no problems with above worker code, and it should load. > Create a fresh rails app and see if bdrb works there.
Ok, sorry... I was working from the old InfoQ article by Ezra and the api docs. I probably made some bad assumptions there...I will take a hard look and try it again. Thanks for your help! John _______________________________________________ Backgroundrb-devel mailing list [email protected] http://rubyforge.org/mailman/listinfo/backgroundrb-devel
