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Bharat Ruparel

2007-Mar-22 20:56 UTC

Break Point not working in Ruby 1.8.5?

I am not sure if this is an Instant Rails problem or something else.
But I am working with Patrick Lenz''s Building Your Own Ruby on Rails
Web
Applications book where in Chapter 11 he shows how to use the BreakPoint
functionality within an RoR application.  The book demonstrates this
functionality by setting a breakpoint in one of the Controller methods
as follows:

  def new
    @story = Story.new(params[:story])
    @story.user = @current_user
    if request.post? and @story.save
      breakpoint
      @story.tag_with params[:tags] if params[:tags]
      flash[:notice] = ''Story submission succeeded''
      redirect_to :action => ''index''
    end
  end

Now, the new action corresponds with a new story being submitted.  As
the author instructs, I opened the web browser and try to submit a
story.  The browswer is supposed to hang and I should be able to invoke
the breakpoint client by using the following command:

ruby script/breakpointer

But, the browswer displays the following information instead of hanging:

RuntimeError in StoryController#new

Breakpoints are not currently working with Ruby 1.8.5
RAILS_ROOT: ./script/../config/..

Application Trace | Framework Trace | Full Trace
#{RAILS_ROOT}/vendor/rails/railties/lib/breakpoint.rb:21:in `of_caller''
#{RAILS_ROOT}/vendor/rails/railties/lib/breakpoint.rb:543:in
`breakpoint''
#{RAILS_ROOT}/app/controllers/story_controller.rb:12:in `new''

The breakpoint is indeed, on line 12 of the story_controller.rb file.

This puzzles me!  How are people using InstantRails (I am using
InstantRails-1.5-win.zip).  I also checked on the Ruby download website
which shows that the current version of Ruby is 1.8.5.  Does it mean
that breakpoint functionality is not available in Ruby 1.8.5?  Or this
particular release that I am working with does not have it?

Either way, please advise on how to go about solving this problem.

Bharat

-- 
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Curt Hibbs

2007-Mar-23 00:54 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

On 3/22/07, Bharat Ruparel
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:>
>
> I am not sure if this is an Instant Rails problem or something else.
> But I am working with Patrick Lenz''s Building Your Own Ruby on
Rails Web
> Applications book where in Chapter 11 he shows how to use the BreakPoint
> functionality within an RoR application.  The book demonstrates this
> functionality by setting a breakpoint in one of the Controller methods
> as follows:

No, this is a known problem with Ruby 1.8.5.

Curt

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s.ross

2007-Mar-23 01:20 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

This has something to do with the call_stack gem. Nevertheless, I find
ruby-debug far more productive. Give it a try.

http://www.datanoise.com/articles/2006/07/12/tutorial-on-ruby-debug

I''ve never tried it on Windows, but it works like a charm on a Mac. If
you
do try it and it works on Win32, that would be good to know.


Mike-293 wrote:> 
> 
> I am not sure if this is an Instant Rails problem or something else.
> But I am working with Patrick Lenz''s Building Your Own Ruby on
Rails Web
> Applications book where in Chapter 11 he shows how to use the BreakPoint
> functionality within an RoR application.  The book demonstrates this
> functionality by setting a breakpoint in one of the Controller methods
> as follows:
> 
>   def new
>     @story = Story.new(params[:story])
>     @story.user = @current_user
>     if request.post? and @story.save
>       breakpoint
>       @story.tag_with params[:tags] if params[:tags]
>       flash[:notice] = ''Story submission succeeded''
>       redirect_to :action => ''index''
>     end
>   end
> 
> Now, the new action corresponds with a new story being submitted.  As
> the author instructs, I opened the web browser and try to submit a
> story.  The browswer is supposed to hang and I should be able to invoke
> the breakpoint client by using the following command:
> 
> ruby script/breakpointer
> 
> But, the browswer displays the following information instead of hanging:
> 
> RuntimeError in StoryController#new
> 
> Breakpoints are not currently working with Ruby 1.8.5
> RAILS_ROOT: ./script/../config/..
> 
> Application Trace | Framework Trace | Full Trace
> #{RAILS_ROOT}/vendor/rails/railties/lib/breakpoint.rb:21:in
`of_caller''
> #{RAILS_ROOT}/vendor/rails/railties/lib/breakpoint.rb:543:in
> `breakpoint''
> #{RAILS_ROOT}/app/controllers/story_controller.rb:12:in `new''
> 
> The breakpoint is indeed, on line 12 of the story_controller.rb file.
> 
> This puzzles me!  How are people using InstantRails (I am using
> InstantRails-1.5-win.zip).  I also checked on the Ruby download website
> which shows that the current version of Ruby is 1.8.5.  Does it mean
> that breakpoint functionality is not available in Ruby 1.8.5?  Or this
> particular release that I am working with does not have it?
> 
> Either way, please advise on how to go about solving this problem.
> 
> Bharat
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 
> > 
> 
> 
-- 
View this message in context:
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Bharat Ruparel

2007-Mar-24 17:55 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Thank you both gentlemen.
Steve, I am trying to install ruby-debug in InstantRails Windows 
environment, but cannot get past the first base!  I downloaded the 
latest Windows specific build from RubyForge.  The file is named 
ruby-debug-base-0.8.1-mswin32.gem.

I installed this gem using the following command:

gem install c:\ruby-debug-base-0.8.1-mswin32.gem from the InstantRails 
command window.  Then I put the following line at the end of the 
development.rb file which is under config\environments directory.

require ''ruby-debug''

I saved the file and tried to start webrick by running the following 
command:

ruby script/server webrick

I get the following stacktrace and the server quits:

C:\InstantRails\rails_apps\shovell-debug-02>ruby script/server webrick
=> Booting WEBrick...
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/commands/servers/webrick.rb:11:
warning: already initialized
 constant OPTIONS
C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`gem_original_require'': no such file to loa
d -- ruby-debug (MissingSourceFile)
        from 
C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`require''
        from 
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in
`require''
        from 
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:343:in
`new_constants_i
n''
        from 
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in
`require''
        from 
./script/../config/../config/environments/development.rb:22:in 
`load_environment''
        from 
./script/../config/../vendor/rails/railties/lib/initializer.rb:204:in 
`load_environment''
        from 
./script/../config/../vendor/rails/activesupport/lib/active_support/core_ext/kernel/reporting.rb:11:in
`sil
ence_warnings''
        from 
./script/../config/../vendor/rails/railties/lib/initializer.rb:201:in 
`load_environment''
         ... 14 levels...
        from 
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in
`require''
        from 
./script/../config/../vendor/rails/railties/lib/commands/server.rb:39
        from script/server:3:in `require''
        from script/server:3

Does anyone else has had success installing ruby-debug in Windows 
environment?  The installation could not be simpler!  I can see the 
ruby-debug gem installed and gem command lists it as a locally installed 
gem.  What can be wrong?
Bharat

-- 
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s.ross

2007-Mar-24 18:19 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

I typically put the require statement at the top of the file under test, but
in any case, I cranked this whole thing up in Parallels on my Mac and
repro''ed your error. Here''s how to fix it:

# top of file
require ''rubygems''   # not sure this is necessary
require ''ruby-debug''
Debugger.start

Then someplace else in your program, put:

debugger

and you''ll have a breakpoint. I''d be curious to understand why
this is
necessary.

Steve


Al Evans-2 wrote:> 
> 
> Thank you both gentlemen.
> Steve, I am trying to install ruby-debug in InstantRails Windows 
> environment, but cannot get past the first base!  I downloaded the 
> latest Windows specific build from RubyForge.  The file is named 
> ruby-debug-base-0.8.1-mswin32.gem.
> 
> I installed this gem using the following command:
> 
> gem install c:\ruby-debug-base-0.8.1-mswin32.gem from the InstantRails 
> command window.  Then I put the following line at the end of the 
> development.rb file which is under config\environments directory.
> 
> require ''ruby-debug''
> 
> I saved the file and tried to start webrick by running the following 
> command:
> 
> ruby script/server webrick
> 
> I get the following stacktrace and the server quits:
> 
> C:\InstantRails\rails_apps\shovell-debug-02>ruby script/server webrick
> => Booting WEBrick...
>
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/commands/servers/webrick.rb:11:
> warning: already initialized
>  constant OPTIONS
>
C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> `gem_original_require'': no such file to loa
> d -- ruby-debug (MissingSourceFile)
>         from 
>
C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> `require''
>         from 
>
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in
> `require''
>         from 
>
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:343:in
> `new_constants_i
> n''
>         from 
>
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in
> `require''
>         from 
> ./script/../config/../config/environments/development.rb:22:in 
> `load_environment''
>         from 
> ./script/../config/../vendor/rails/railties/lib/initializer.rb:204:in 
> `load_environment''
>         from 
>
./script/../config/../vendor/rails/activesupport/lib/active_support/core_ext/kernel/reporting.rb:11:in
> `sil
> ence_warnings''
>         from 
> ./script/../config/../vendor/rails/railties/lib/initializer.rb:201:in 
> `load_environment''
>          ... 14 levels...
>         from 
>
./script/../config/../vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in
> `require''
>         from 
> ./script/../config/../vendor/rails/railties/lib/commands/server.rb:39
>         from script/server:3:in `require''
>         from script/server:3
> 
> Does anyone else has had success installing ruby-debug in Windows 
> environment?  The installation could not be simpler!  I can see the 
> ruby-debug gem installed and gem command lists it as a locally installed 
> gem.  What can be wrong?
> Bharat
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 
> > 
> 
> 
-- 
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Bharat Ruparel

2007-Mar-25 16:12 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Success!
Thank you Steve for your patience.  Here is/was the problem.  I was 
using the downloaded code from author''s site without much thinking,
that
was the root cause.
Since Rails 1.2 was not officially released when the author created his 
code, he had packaged various 1.2 rails components and installed them in 
the vendors subdirectory of his example code.  This is the same approach 
taken by Agile Web.. 2nd Edition.  Now, this code base was at release 
1.2.1 and it overrode the InstantRails more recent 1.2.2 code base. 
Also, when I installed ruby-debug, it would go to the Instant Rail''s
gem
lib directory under the "ruby" folder.  This mismatch of rails
versions
and misplacement of the gems was creating this problem.
I went back to ground zero.  Created the sample app from scratch. 
Copied author''s code folder by folder taking care not to copy-over any 
rails 1.2.2 specific code, installed ruby-debug using gem install 
command, put a breakpoint as directed in the link that you posted for 
ruby-debug tutorial, and things are working just fine now!
Again, appreciate your help and patience.
Regards,
Bharat
p.s.  In your experience, how well has ruby-debug worked compared to 
script/breakpointer?

-- 
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s.ross

2007-Mar-25 16:32 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

I do must of my debugging using logs. On the rare occasion when I need to
examine something in a debugger, ruby-debug is far superior. Typically, what
I would be looking at with a debugger are code paths and data state changes,
neither of which breakpointer helps out with much.

--steve


Joshua Muheim-2 wrote:> 
> 
> Success!
> Thank you Steve for your patience.  Here is/was the problem.  I was 
> using the downloaded code from author''s site without much
thinking, that
> was the root cause.
> Since Rails 1.2 was not officially released when the author created his 
> code, he had packaged various 1.2 rails components and installed them in 
> the vendors subdirectory of his example code.  This is the same approach 
> taken by Agile Web.. 2nd Edition.  Now, this code base was at release 
> 1.2.1 and it overrode the InstantRails more recent 1.2.2 code base. 
> Also, when I installed ruby-debug, it would go to the Instant
Rail''s gem
> lib directory under the "ruby" folder.  This mismatch of rails
versions
> and misplacement of the gems was creating this problem.
> I went back to ground zero.  Created the sample app from scratch. 
> Copied author''s code folder by folder taking care not to copy-over
any
> rails 1.2.2 specific code, installed ruby-debug using gem install 
> command, put a breakpoint as directed in the link that you posted for 
> ruby-debug tutorial, and things are working just fine now!
> Again, appreciate your help and patience.
> Regards,
> Bharat
> p.s.  In your experience, how well has ruby-debug worked compared to 
> script/breakpointer?
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 
> > 
> 
> 
-- 
View this message in context:
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JESii

2007-Mar-25 18:21 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Steve... I''m also on InstantRails/Windows and tried the suggestions in
this thread... Two things:

1. I had to add:     require ''ruby-debug-base''     to get this
to work
2.  my ''debugger'' command doesn''t make anything
happen.

I tried it with and without the require ''rubygems'' and that
didn''t
make any difference.

Any thoughts as to what I''m doing wrong?

Thanks...jon

> # top of file
> require ''rubygems''   # not sure this is necessary
> require ''ruby-debug''
> Debugger.start
>
> Then someplace else in your program, put:
>
> debugger
>
> and you''ll have a breakpoint. I''d be curious to
understand why this is
> necessary.
>

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s.ross

2007-Mar-25 18:26 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Any errors or just a quiet failure?

Also are you doing:

ruby script\server webrick

to get your app running?

To be honest, I don''t develop on Windows, so my test was on a
hand-built
Ruby/MySQL/Rails install, not instant rails.

--steve


JESii wrote:> 
> 
> Steve... I''m also on InstantRails/Windows and tried the
suggestions in
> this thread... Two things:
> 
> 1. I had to add:     require ''ruby-debug-base''     to get
this to work
> 2.  my ''debugger'' command doesn''t make anything
happen.
> 
> I tried it with and without the require ''rubygems'' and
that didn''t
> make any difference.
> 
> Any thoughts as to what I''m doing wrong?
> 
> Thanks...jon
> 
> 
>> # top of file
>> require ''rubygems''   # not sure this is necessary
>> require ''ruby-debug''
>> Debugger.start
>>
>> Then someplace else in your program, put:
>>
>> debugger
>>
>> and you''ll have a breakpoint. I''d be curious to
understand why this is
>> necessary.
>>
> 
> 
> > 
> 
> 
-- 
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Bharat Ruparel

2007-Mar-25 18:56 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Hello Jon,
Here is what I did to debug the story_controller.rb file in the
aforementioned book:
I first installed the ruby-debug gem by executing the gem install
command.

Next, as Steve outlines above, I put the following three statements at
the top of the file.

# top of the story_controller.rb file
require ''rubygems''   # not sure this is necessary
require ''ruby-debug''
Debugger.start

Then I put the debugger statement where I wanted the program to stop.
In my case it was in the new method right after the save statement.

Next, I fired up my browser(IE) and posted a new story.  You should
notice the browswer to hang.  At this point, do not expect a command
window to pop-up.  Instead, look at the command window from which you
started the web server.  I am using webrick by executing the command:
ruby script/server webrick
I will try it with Mongrel as well later and report my findings.

Look for the ruby debug prompt in the command window from where you
started the web server.  Try to issue a simple "list" command to see
if
the debugger indeed lists the source.  If it works then try to display
the values of instance variables, or params hash using either "p" or
"pp" commands.  For example, in my case I did the following:

p @story
or
pp @story

to print the params hash, do a similar command, i.e.

p params
or
pp params

The debugger is very unix/linux like in which no news is good news.  I
primarily develop in linux, but there are times when I have to be in
Windows environment and therefore, I was looking to see if ruby and RoR
development is viable in it.  I think that the InstantRails team has
done a fabulous job and made ruby and RoR on Windows machine an almost
usable alternative.

Let me know if this helps.  Credit goes to Steve though.

Regards,
Bharat

-- 
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Jon Seidel CMC

2007-Mar-25 19:00 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Quiet failure; I''m running Mongrel, but it''s the same with
webrick... I saw
that you''re on Mac (nice setup; wish I were there :)

Thanks, Steve.... your feedback is much appreciated...jon

--


-----Original Message-----
From: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
[mailto:rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org] On Behalf Of
s.ross
Sent: Sunday, March 25, 2007 11:26 AM
To: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [Rails] Re: Break Point not working in Ruby 1.8.5?



Any errors or just a quiet failure?

Also are you doing:

ruby script\server webrick

to get your app running?

To be honest, I don''t develop on Windows, so my test was on a
hand-built
Ruby/MySQL/Rails install, not instant rails.

--steve


JESii wrote:> 
> 
> Steve... I''m also on InstantRails/Windows and tried the
suggestions in
> this thread... Two things:
> 
> 1. I had to add:     require ''ruby-debug-base''     to get
this to work
> 2.  my ''debugger'' command doesn''t make anything
happen.
> 
> I tried it with and without the require ''rubygems'' and
that didn''t
> make any difference.
> 
> Any thoughts as to what I''m doing wrong?
> 
> Thanks...jon
> 
> 
>> # top of file
>> require ''rubygems''   # not sure this is necessary
>> require ''ruby-debug''
>> Debugger.start
>>
>> Then someplace else in your program, put:
>>
>> debugger
>>
>> and you''ll have a breakpoint. I''d be curious to
understand why this is
>> necessary.
>>
> 
> 
> > 
> 
> 
-- 
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s.ross

2007-Mar-25 19:00 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Thank you. Out of curiosity, may I ask what the issue was that caused you to
break out the debugger? I''ve always been a fan of debuggers -- that is,
until I began Rails programming. The combination of tests and the logger has
been adequate for over 90% of my debugging needs.

--steve


Joshua Muheim-2 wrote:> 
> 
> Hello Jon,
> Here is what I did to debug the story_controller.rb file in the
> aforementioned book:
> I first installed the ruby-debug gem by executing the gem install
> command.
> 
> Next, as Steve outlines above, I put the following three statements at
> the top of the file.
> 
> # top of the story_controller.rb file
> require ''rubygems''   # not sure this is necessary
> require ''ruby-debug''
> Debugger.start
> 
> Then I put the debugger statement where I wanted the program to stop.
> In my case it was in the new method right after the save statement.
> 
> Next, I fired up my browser(IE) and posted a new story.  You should
> notice the browswer to hang.  At this point, do not expect a command
> window to pop-up.  Instead, look at the command window from which you
> started the web server.  I am using webrick by executing the command:
> ruby script/server webrick
> I will try it with Mongrel as well later and report my findings.
> 
> Look for the ruby debug prompt in the command window from where you
> started the web server.  Try to issue a simple "list" command to
see if
> the debugger indeed lists the source.  If it works then try to display
> the values of instance variables, or params hash using either "p"
or
> "pp" commands.  For example, in my case I did the following:
> 
> p @story
> or
> pp @story
> 
> to print the params hash, do a similar command, i.e.
> 
> p params
> or
> pp params
> 
> The debugger is very unix/linux like in which no news is good news.  I
> primarily develop in linux, but there are times when I have to be in
> Windows environment and therefore, I was looking to see if ruby and RoR
> development is viable in it.  I think that the InstantRails team has
> done a fabulous job and made ruby and RoR on Windows machine an almost
> usable alternative.
> 
> Let me know if this helps.  Credit goes to Steve though.
> 
> Regards,
> Bharat
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 
> > 
> 
> 
-- 
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Bharat Ruparel

2007-Mar-25 19:21 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Jon,
If you describe the steps that you are taking in more detail and more 
importantly, what do you see when you do what, may be I can help you 
pinpoint the problem.  I do not understand "quiet failure".
Steve,
I was merely, trying to explore all available options on Ruby on Rails. 
I am just starting out with Ruby and RoR and try to explore various 
things.  I am still trying to get my head around writing more effective 
tests and Patrick''s book has been invaluable on that topic.  It is a 
mental shift though.
I am glad that you brought up logs.  Do you know an effective way of 
viewing "formatted" log in Windows environment?  In linux, the less 
command does a great job of showing formatted entries.  I have not been 
able to replicate it in the Windows environment.  I do not want to use 
Cygwin since I have a dual boot machine and I can boot into Linux if I 
want to.
Regards,
Bharat

-- 
Posted via http://www.ruby-forum.com/.

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Jon Seidel CMC

2007-Mar-25 19:21 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Bharat... Thanks very much for getting back to me... here''s what is
happening.

1. I followed the instructions you and Steve discussed.  It failed for me,
but I got it to work by requiring ''ruby-debug-base'' instead.
2. The require ''rubygems'' is not necessary; I tried it both
ways.
3. No browser hang - it just goes about its normal behavior and nothing in
the mongrel window.

I definitely agree with the assessment about InstantRails. I do have some
issues with it, but they are relatively minor at this point.  I wish I could
say the same thing about RadRails which I do use, but which is completely
broken for updates. At least what I have seems to be holding together
moderately well.


Thanks again...jon
--


-----Original Message-----
From: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
[mailto:rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org] On Behalf Of
Bharat Ruparel
Sent: Sunday, March 25, 2007 11:56 AM
To: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [Rails] Re: Break Point not working in Ruby 1.8.5?


Hello Jon,
Here is what I did to debug the story_controller.rb file in the
aforementioned book:
I first installed the ruby-debug gem by executing the gem install
command.

Next, as Steve outlines above, I put the following three statements at
the top of the file.

# top of the story_controller.rb file
require ''rubygems''   # not sure this is necessary
require ''ruby-debug''
Debugger.start

Then I put the debugger statement where I wanted the program to stop.
In my case it was in the new method right after the save statement.

Next, I fired up my browser(IE) and posted a new story.  You should
notice the browswer to hang.  At this point, do not expect a command
window to pop-up.  Instead, look at the command window from which you
started the web server.  I am using webrick by executing the command:
ruby script/server webrick
I will try it with Mongrel as well later and report my findings.

Look for the ruby debug prompt in the command window from where you
started the web server.  Try to issue a simple "list" command to see
if
the debugger indeed lists the source.  If it works then try to display
the values of instance variables, or params hash using either "p" or
"pp" commands.  For example, in my case I did the following:

p @story
or
pp @story

to print the params hash, do a similar command, i.e.

p params
or
pp params

The debugger is very unix/linux like in which no news is good news.  I
primarily develop in linux, but there are times when I have to be in
Windows environment and therefore, I was looking to see if ruby and RoR
development is viable in it.  I think that the InstantRails team has
done a fabulous job and made ruby and RoR on Windows machine an almost
usable alternative.

Let me know if this helps.  Credit goes to Steve though.

Regards,
Bharat

-- 
Posted via http://www.ruby-forum.com/.






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Jon Seidel CMC

2007-Mar-25 19:28 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Bharat... "quiet failure" just means that nothing happened: no error
messages, no browser hang, no information in the server log.

BTW, I have read the Lenz book as well, along with two other books I am
working on: "Ruby for Rails" (David Black) and "Agile Web
Development with
Rails" (Thomas & Hanssen) - both very good.

Re "formatted log viewing" - I don''t know if this is what you
mean, but I
use vim (Vi Improved - www.vim.org). They have several really nice plugins
for ruby/rails. If you''re a vim person (I''ve used it for many
years), then
you''ll love this software, and it''s free and very well
supported.

Cheers...jon

--


-----Original Message-----
From: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
[mailto:rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org] On Behalf Of
Bharat Ruparel
Sent: Sunday, March 25, 2007 12:21 PM
To: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [Rails] Re: Break Point not working in Ruby 1.8.5?


Jon,
If you describe the steps that you are taking in more detail and more 
importantly, what do you see when you do what, may be I can help you 
pinpoint the problem.  I do not understand "quiet failure".
Steve,
I was merely, trying to explore all available options on Ruby on Rails. 
I am just starting out with Ruby and RoR and try to explore various 
things.  I am still trying to get my head around writing more effective 
tests and Patrick''s book has been invaluable on that topic.  It is a 
mental shift though.
I am glad that you brought up logs.  Do you know an effective way of 
viewing "formatted" log in Windows environment?  In linux, the less 
command does a great job of showing formatted entries.  I have not been 
able to replicate it in the Windows environment.  I do not want to use 
Cygwin since I have a dual boot machine and I can boot into Linux if I 
want to.
Regards,
Bharat

-- 
Posted via http://www.ruby-forum.com/.





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Jon Seidel CMC

2007-Mar-25 19:28 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

I was having problems getting the right syntax to get the logger to work for
me (wanted to look at some session variables)... I finally figured out what
I was doing wrong and so now my logger stuff is working. At this point, I
figured I''d just try to get the debugger working for whenever I might
need
it in the future. Actually not needed right this moment.

Cheers...jon 

--


-----Original Message-----
From: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
[mailto:rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org] On Behalf Of
s.ross
Sent: Sunday, March 25, 2007 12:01 PM
To: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [Rails] Re: Break Point not working in Ruby 1.8.5?



Thank you. Out of curiosity, may I ask what the issue was that caused you to
break out the debugger? I''ve always been a fan of debuggers -- that is,
until I began Rails programming. The combination of tests and the logger has
been adequate for over 90% of my debugging needs.

--steve


Joshua Muheim-2 wrote:> 
> 
> Hello Jon,
> Here is what I did to debug the story_controller.rb file in the
> aforementioned book:
> I first installed the ruby-debug gem by executing the gem install
> command.
> 
> Next, as Steve outlines above, I put the following three statements at
> the top of the file.
> 
> # top of the story_controller.rb file
> require ''rubygems''   # not sure this is necessary
> require ''ruby-debug''
> Debugger.start
> 
> Then I put the debugger statement where I wanted the program to stop.
> In my case it was in the new method right after the save statement.
> 
> Next, I fired up my browser(IE) and posted a new story.  You should
> notice the browswer to hang.  At this point, do not expect a command
> window to pop-up.  Instead, look at the command window from which you
> started the web server.  I am using webrick by executing the command:
> ruby script/server webrick
> I will try it with Mongrel as well later and report my findings.
> 
> Look for the ruby debug prompt in the command window from where you
> started the web server.  Try to issue a simple "list" command to
see if
> the debugger indeed lists the source.  If it works then try to display
> the values of instance variables, or params hash using either "p"
or
> "pp" commands.  For example, in my case I did the following:
> 
> p @story
> or
> pp @story
> 
> to print the params hash, do a similar command, i.e.
> 
> p params
> or
> pp params
> 
> The debugger is very unix/linux like in which no news is good news.  I
> primarily develop in linux, but there are times when I have to be in
> Windows environment and therefore, I was looking to see if ruby and RoR
> development is viable in it.  I think that the InstantRails team has
> done a fabulous job and made ruby and RoR on Windows machine an almost
> usable alternative.
> 
> Let me know if this helps.  Credit goes to Steve though.
> 
> Regards,
> Bharat
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 
> > 
> 
> 
-- 
View this message in context:
http://www.nabble.com/Break-Point-not-working-in-Ruby-1.8.5--tf3450316.html#
a9663098
Sent from the RubyOnRails Users mailing list archive at Nabble.com.







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s.ross

2007-Mar-25 19:29 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

yeah, cygwin would have been my recommendation. Really, all you are looking
for is something with tail capabilities that understands terminal escape
sequences. I prefer to keep environments similar, where possible, so cygwin
makes sense. That way, whether I''m on Windows or *nix, ls works, tail
works,
and so on.

Many Windows editors sense external modifications to files, but seldom do
they put you at the end of the file automagically. Alternatively, just write
a simple "tail" utility in C or Ruby (not very DRY :).

--steve


Joshua Muheim-2 wrote:> 
> 
> Jon,
> If you describe the steps that you are taking in more detail and more 
> importantly, what do you see when you do what, may be I can help you 
> pinpoint the problem.  I do not understand "quiet failure".
> Steve,
> I was merely, trying to explore all available options on Ruby on Rails. 
> I am just starting out with Ruby and RoR and try to explore various 
> things.  I am still trying to get my head around writing more effective 
> tests and Patrick''s book has been invaluable on that topic.  It is
a
> mental shift though.
> I am glad that you brought up logs.  Do you know an effective way of 
> viewing "formatted" log in Windows environment?  In linux, the
less
> command does a great job of showing formatted entries.  I have not been 
> able to replicate it in the Windows environment.  I do not want to use 
> Cygwin since I have a dual boot machine and I can boot into Linux if I 
> want to.
> Regards,
> Bharat
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 
> > 
> 
> 
-- 
View this message in context:
http://www.nabble.com/Break-Point-not-working-in-Ruby-1.8.5--tf3450316.html#a9663329
Sent from the RubyOnRails Users mailing list archive at Nabble.com.


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Jon Seidel CMC

2007-Mar-25 19:30 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

FYI... I''ve got MKS toolkit, which is very nice; having used that for
quite
some time, it''s a little hard to switch over to cygwin: I keep getting
bitten by cygwin''s c-drive references.

...jon

--


-----Original Message-----
From: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
[mailto:rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org] On Behalf Of
s.ross
Sent: Sunday, March 25, 2007 12:29 PM
To: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [Rails] Re: Break Point not working in Ruby 1.8.5?



yeah, cygwin would have been my recommendation. Really, all you are looking
for is something with tail capabilities that understands terminal escape
sequences. I prefer to keep environments similar, where possible, so cygwin
makes sense. That way, whether I''m on Windows or *nix, ls works, tail
works,
and so on.

Many Windows editors sense external modifications to files, but seldom do
they put you at the end of the file automagically. Alternatively, just write
a simple "tail" utility in C or Ruby (not very DRY :).

--steve


Joshua Muheim-2 wrote:> 
> 
> Jon,
> If you describe the steps that you are taking in more detail and more 
> importantly, what do you see when you do what, may be I can help you 
> pinpoint the problem.  I do not understand "quiet failure".
> Steve,
> I was merely, trying to explore all available options on Ruby on Rails. 
> I am just starting out with Ruby and RoR and try to explore various 
> things.  I am still trying to get my head around writing more effective 
> tests and Patrick''s book has been invaluable on that topic.  It is
a
> mental shift though.
> I am glad that you brought up logs.  Do you know an effective way of 
> viewing "formatted" log in Windows environment?  In linux, the
less
> command does a great job of showing formatted entries.  I have not been 
> able to replicate it in the Windows environment.  I do not want to use 
> Cygwin since I have a dual boot machine and I can boot into Linux if I 
> want to.
> Regards,
> Bharat
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 
> > 
> 
> 
-- 
View this message in context:
http://www.nabble.com/Break-Point-not-working-in-Ruby-1.8.5--tf3450316.html#
a9663329
Sent from the RubyOnRails Users mailing list archive at Nabble.com.







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Ben Munat

2007-Mar-25 19:55 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Bharat Ruparel wrote:> I am glad that you brought up logs.  Do you know an effective way of 
> viewing "formatted" log in Windows environment?  In linux, the
less
> command does a great job of showing formatted entries.  I have not been 
> able to replicate it in the Windows environment.  I do not want to use 
> Cygwin since I have a dual boot machine and I can boot into Linux if I 
> want to.
Well, it''s no substitute for a good command-line shell, but RadRails
has
a "tail" function for log files. Just right-click on the log file in
the
file navigator and choose "Tail". Also, if you run mongrel (or
webrick)
from within RadRails, it puts the mongrel output to a console. So, 
stdout (puts) goes to the mongrel output and rails logging (logger) goes 
to the console tailing the development.log.

b

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Bharat Ruparel

2007-Mar-25 20:40 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Thanks Jon and Ben.
Jon,  I use vim in linux and GVIM and CREAM in Windows environment.  Do 
you know an easy way of turning formatting on in these editors?  I am 
not very familiar with them in Windows.  In Linux "less" works great
for
me so I don''t bother.  Here is how it looks like in my GVIM or CREAM 
environment in Windows:

  [4;36;1mSQL (0.078000)   [0;1mSET SQL_AUTO_IS_NULL=0
  [4;35;1mSQL (0.094000)   CREATE TABLE schema_info (version 
int(11))
  [4;36;1mSQL (0.031000)   [0;1mINSERT INTO schema_info (version) 
VALUES(0)
  [4;35;1mSQL (0.000000)   Mysql::Error: #42S01Table 
''schema_info'' already exists: CREATE TABLE schema_info
(version
int(11))
  [4;36;1mSQL (0.031000)   [0;1mSELECT version FROM 
schema_info
Migrating to CreateStories (1)
  [4;35;1mSQL (0.000000)   Mysql::Error: #42S02Unknown table 
''stories'': DROP TABLE stories
  [4;36;1mSQL (0.110000)   [0;1mCREATE TABLE stories (`id` int(11) 
DEFAULT NULL auto_increment PRIMARY KEY, `name` varchar(255) DEFAULT 
NULL, `link` varchar(255) DEFAULT NULL) ENGINE=InnoDB

Appreciate the help.
Bharat

-- 
Posted via http://www.ruby-forum.com/.

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Kent Sibilev

2007-Mar-26 04:42 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Sorry, apparently I''ve missed this thread. The installation procedure
of ruby-debug on Windows should be the same as on any other platform.
The only difference is that you have to select mswin32 version of
ruby-debug-base:

C:\>gem in ruby-debug
Bulk updating Gem source index for: http://gems.rubyforge.org
Select which gem to install for your platform (i386-mswin32)
 1. ruby-debug 0.8.1 (ruby)
 2. ruby-debug 0.8 (ruby)
 3. ruby-debug 0.7.5 (mswin32)
 4. ruby-debug 0.7.5 (ruby)
 5. Skip this gem
 6. Cancel installation> 1Install required dependency ruby-debug-base? [Yn]  y
Select which gem to install for your platform (i386-mswin32)
 1. ruby-debug-base 0.8.1 (mswin32)
 2. ruby-debug-base 0.8.1 (ruby)
 3. Skip this gem
 4. Cancel installation> 1Successfully installed ruby-debug-0.8.1
Successfully installed ruby-debug-base-0.8.1-mswin32
Installing ri documentation for ruby-debug-0.8.1...
Installing ri documentation for ruby-debug-base-0.8.1-mswin32...
Installing RDoc documentation for ruby-debug-0.8.1...
Installing RDoc documentation for ruby-debug-base-0.8.1-mswin32...

The easiest way of debugging your Rails application is to run it with
rdebug script:

C:\rails-app>rdebug ./script/server

It should work with webrick or mongrel. If you use rdebug script you
don''t have to require ruby-debug in your environment.rb file and to
start the debugger with Debugger.start method. Of course, you still
have to set your breakpoints either explicitly using debugger''s
''break'' command or via Kernel#debugger method.

Kent.

On 3/25/07, JESii <jseidel-SqBBwp4wwK4AvxtiuMwx3w@public.gmane.org>
wrote:>
> Steve... I''m also on InstantRails/Windows and tried the
suggestions in
> this thread... Two things:
>
> 1. I had to add:     require ''ruby-debug-base''     to get
this to work
> 2.  my ''debugger'' command doesn''t make anything
happen.
>
> I tried it with and without the require ''rubygems'' and
that didn''t
> make any difference.
>
> Any thoughts as to what I''m doing wrong?
>
> Thanks...jon
>
>
> > # top of file
> > require ''rubygems''   # not sure this is necessary
> > require ''ruby-debug''
> > Debugger.start
> >
> > Then someplace else in your program, put:
> >
> > debugger
> >
> > and you''ll have a breakpoint. I''d be curious to
understand why this is
> > necessary.
> >
>
>
> >
>

-- 
Kent
---
http://www.datanoise.com

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Jon Seidel CMC

2007-Mar-26 20:56 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Bharat... There is a ruby/rails plugin for vim that does it for me, as I
recall. I tried getting to the vim.org site, and it seems to be having
problems. The plugin that I use is by Tim Pope, and you can reach him at
"tim - AT - pope.info"  He was very helpful when I was setting it up. 
It''s
a VERY extensive plugin, and worked right out of the box for me.

Here''s a dump of my log; it doesn''t show the coloring and
highlighting that
my gvim gives me, so it''s much nicer than it looks here. (E.g., the
"DEPRECATION WARNING" is highlighted in red...)

Cheers...jon

Processing AssetController#index (for 10.0.0.152 at 2007-03-25 12:18:26)
[GET]
  Session ID: 4cfdd7473a144e83709d3cd9463289f3
  Parameters: {"action"=>"index",
"controller"=>"asset"}
Redirected to http://edp18:3010/asset/list
Completed in 0.00010 (10000 reqs/sec) | DB: 0.00000 (0%) | 302 Found
[http://edp18/asset]
DEPRECATION WARNING: model is deprecated and will be removed from Rails 2.0
See http://www.rubyonrails.org/deprecation for details. (called from
C:/Dev/INSTAN~1/rails_apps/AssetList/config/../app/controllers/application.r
b:11)
DEPRECATION WARNING: depend_on is deprecated and will be removed from Rails
2.0  See http://www.rubyonrails.org/deprecation for details. (called from
model_without_deprecation at
C:/Dev/INSTAN~1/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_con
troller/deprecated_dependencies.rb:13)
  User Columns (0.015000)   SHOW FIELDS FROM users


Processing AssetController#list (for 10.0.0.152 at 2007-03-25 12:18:27)
[GET]
  Session ID: 4cfdd7473a144e83709d3cd9463289f3
  Parameters: {"action"=>"list",
"controller"=>"asset"}
  Asset Columns (0.000000)   SHOW FIELDS FROM assets
Rendering layoutfalsetemplateajax_scaffold/list.rhtml within layouts/asset
Rendering ajax_scaffold/list.rhtml
Start rendering component ({:action=>"table",
:params=>{"action"=>"list",
"controller"=>"asset"},
:controller=>"/asset"}):

--

-----Original Message-----
From: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
[mailto:rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org] On Behalf Of
Bharat Ruparel
Sent: Sunday, March 25, 2007 1:40 PM
To: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [Rails] Re: Break Point not working in Ruby 1.8.5?


Thanks Jon and Ben.
Jon,  I use vim in linux and GVIM and CREAM in Windows environment.  Do 
you know an easy way of turning formatting on in these editors?  I am 
not very familiar with them in Windows.  In Linux "less" works great
for
me so I don''t bother.  Here is how it looks like in my GVIM or CREAM 
environment in Windows:

   [4;36;1mSQL (0.078000) [0m    [0;1mSET SQL_AUTO_IS_NULL=0 [0m
   [4;35;1mSQL (0.094000) [0m    [0mCREATE TABLE schema_info (version 
int(11)) [0m
   [4;36;1mSQL (0.031000) [0m    [0;1mINSERT INTO schema_info (version) 
VALUES(0) [0m
   [4;35;1mSQL (0.000000) [0m    [0mMysql::Error: #42S01Table 
''schema_info'' already exists: CREATE TABLE schema_info
(version
int(11)) [0m
   [4;36;1mSQL (0.031000) [0m    [0;1mSELECT version FROM 
schema_info [0m
Migrating to CreateStories (1)
   [4;35;1mSQL (0.000000) [0m    [0mMysql::Error: #42S02Unknown table 
''stories'': DROP TABLE stories [0m
   [4;36;1mSQL (0.110000) [0m    [0;1mCREATE TABLE stories (`id` int(11) 
DEFAULT NULL auto_increment PRIMARY KEY, `name` varchar(255) DEFAULT 
NULL, `link` varchar(255) DEFAULT NULL) ENGINE=InnoDB [0m

Appreciate the help.
Bharat

-- 
Posted via http://www.ruby-forum.com/.





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Jon Seidel CMC

2007-Mar-26 20:56 UTC

head link

Re: Break Point not working in Ruby 1.8.5?

Thanks, Kent... using redbug as you suggested did the trick.

I am curious as to why the other approach didn''t work... any thoughts
on
that?

Cheers...jon

--

-----Original Message-----
From: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
[mailto:rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org] On Behalf Of
Kent Sibilev
Sent: Sunday, March 25, 2007 9:43 PM
To: rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: [Rails] Re: Break Point not working in Ruby 1.8.5?

Sorry, apparently I''ve missed this thread. The installation procedure
of ruby-debug on Windows should be the same as on any other platform.
The only difference is that you have to select mswin32 version of
ruby-debug-base:

C:\>gem in ruby-debug
Bulk updating Gem source index for: http://gems.rubyforge.org
Select which gem to install for your platform (i386-mswin32)
 1. ruby-debug 0.8.1 (ruby)
 2. ruby-debug 0.8 (ruby)
 3. ruby-debug 0.7.5 (mswin32)
 4. ruby-debug 0.7.5 (ruby)
 5. Skip this gem
 6. Cancel installation> 1Install required dependency ruby-debug-base? [Yn]  y
Select which gem to install for your platform (i386-mswin32)
 1. ruby-debug-base 0.8.1 (mswin32)
 2. ruby-debug-base 0.8.1 (ruby)
 3. Skip this gem
 4. Cancel installation> 1Successfully installed ruby-debug-0.8.1
Successfully installed ruby-debug-base-0.8.1-mswin32
Installing ri documentation for ruby-debug-0.8.1...
Installing ri documentation for ruby-debug-base-0.8.1-mswin32...
Installing RDoc documentation for ruby-debug-0.8.1...
Installing RDoc documentation for ruby-debug-base-0.8.1-mswin32...

The easiest way of debugging your Rails application is to run it with
rdebug script:

C:\rails-app>rdebug ./script/server

It should work with webrick or mongrel. If you use rdebug script you
don''t have to require ruby-debug in your environment.rb file and to
start the debugger with Debugger.start method. Of course, you still
have to set your breakpoints either explicitly using debugger''s
''break'' command or via Kernel#debugger method.

Kent.

On 3/25/07, JESii <jseidel-SqBBwp4wwK4AvxtiuMwx3w@public.gmane.org>
wrote:>
> Steve... I''m also on InstantRails/Windows and tried the
suggestions in
> this thread... Two things:
>
> 1. I had to add:     require ''ruby-debug-base''     to get
this to work
> 2.  my ''debugger'' command doesn''t make anything
happen.
>
> I tried it with and without the require ''rubygems'' and
that didn''t
> make any difference.
>
> Any thoughts as to what I''m doing wrong?
>
> Thanks...jon
>
>
> > # top of file
> > require ''rubygems''   # not sure this is necessary
> > require ''ruby-debug''
> > Debugger.start
> >
> > Then someplace else in your program, put:
> >
> > debugger
> >
> > and you''ll have a breakpoint. I''d be curious to
understand why this is
> > necessary.
> >
>
>
> >
>

-- 
Kent
---
http://www.datanoise.com

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Rails - Mar 2007 - Break Point not working in Ruby 1.8.5?

Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?

Re: Break Point not working in Ruby 1.8.5?