Debugger Not Working

Rails
1

I am using Rails 2.0.2 on XP with Aptana Studio (free version). I have
tried using the debugger breakpoints but it does n0t work (skips the
breakpoint). Aptana’s debugger is not working also.

I usually use webrick or mongrel but I dont know if that has anything to
do with the debugger. Due to this I am reduced to using logger.debug
commands to output state. Any help in this regard would immensely help
the debugging.

Thanks.

2

Ather S. wrote:

I am using Rails 2.0.2 on XP with Aptana Studio (free version). I have
tried using the debugger breakpoints but it does n0t work (skips the
breakpoint). Aptana’s debugger is not working also.

I usually use webrick or mongrel but I dont know if that has anything to
do with the debugger. Due to this I am reduced to using logger.debug
commands to output state. Any help in this regard would immensely help
the debugging.

The entire concept of debugging in RoR is counterproductive. RoR has one
of the
industry’s best unit test systems - an incredible accomplishment
(typical of
Ruby) - given WWW technology is one of the hardest things to test.

Write unit tests for all your features, and bugs will go away before you
need to
debug them. Prevention is better than a cure.

3

On 30 May 2008, at 15:45, Ather S. wrote:

Is your server started with the --debugger flag ?

Fred

4

On May 30, 4:24 pm, Phlip [email protected] wrote:

Write unit tests for all your features, and bugs will go away before you need to
debug them. Prevention is better than a cure.

You seem to be saying that well unit tested software doesn’t have
bugs, which seems optimistic at best. What about the problems you
didn’t anticipate? And once you do get a bug, I suppose you could run
unit tests endlessly working out what the problem is one assertion at
the time, but getting in there with the debugger is a hell of a lot
quicker in my experience (particularly if the whole problem is that
you don’t understand why unexpected behaviour X is happening)

Fred

5

On 2 Jun 2008, at 23:43, Ather S. wrote:

–debugger
update EVERYTIME I try to debug and it successfully updates (or gives
that message) then it gives an error message that “fast debugger
failed
to install”! Now I tried to continue without fast debugger but it says
that this application needs fast debugger! What is up with that?

So do you or do you not have the ruby-debug gem installed? If you
don’t then you’ve got to get it installed.

Fred

6

Frederick C. wrote:

On 2 Jun 2008, at 23:43, Ather S. wrote:

–debugger
update EVERYTIME I try to debug and it successfully updates (or gives
that message) then it gives an error message that “fast debugger
failed
to install”! Now I tried to continue without fast debugger but it says
that this application needs fast debugger! What is up with that?

So do you or do you not have the ruby-debug gem installed? If you
don’t then you’ve got to get it installed.

Fred

I believe I do because it says that the gem is installed (successfully
after installation); when i re run it on the console it says no further
updates; when however i run it through netbeans it attempts to install
again and says it installed successfully but then gives an error window
saying that the debugger failed to install. When I do gem -list it says
ruby-debug-base 0.10.1, 0.10.0 as well as ruby-debug.ide (0.1.10) as
listed.

7

On 3 Jun 2008, at 00:11, Ather S. wrote:

says
further
updates; when however i run it through netbeans it attempts to install
again and says it installed successfully but then gives an error
window
saying that the debugger failed to install. When I do gem -list it
says
ruby-debug-base 0.10.1, 0.10.0 as well as ruby-debug.ide (0.1.10) as

If at an irb prompt you run
require ‘rubygems’
require ‘ruby-debug’
debugger

do you break into the debugger?

Fred

8

Frederick C. wrote:

On 30 May 2008, at 15:45, Ather S. wrote:

Is your server started with the --debugger flag ?

Fred

Yes I tried with -debugger also like this : ruby script/server
–debugger

and it breezes past the “debugger” line as if it didnt exist. I am using
this as a guidance :

Then since Aptana failed to provide a working debugger I tried
downloading the NetBeans IDE but its debugger does not work either. I am
emailing the Netbeans people but apparently it attempt to do a gem
update EVERYTIME I try to debug and it successfully updates (or gives
that message) then it gives an error message that “fast debugger failed
to install”! Now I tried to continue without fast debugger but it says
that this application needs fast debugger! What is up with that?

Your help is therefore much appreciated in resolving this issue please.

Thanks!

9

On 3 Jun 2008, at 00:25, Ather S. wrote:

saying that the debugger failed to install. When I do gem -list it
Fred

I have put require “ruby-debug” statement in development.rb but it
doesnt work (I did restart).

I typed IRB in the application’s directory and the irb prompt started.
It gave false to rubygems, true to ruby-debug and 1 to debugger (as an
answer).
You should have got a debugger prompt, so something’s bust.

Fred

10

Frederick C. wrote:

On 3 Jun 2008, at 00:11, Ather S. wrote:

says
further
updates; when however i run it through netbeans it attempts to install
again and says it installed successfully but then gives an error
window
saying that the debugger failed to install. When I do gem -list it
says
ruby-debug-base 0.10.1, 0.10.0 as well as ruby-debug.ide (0.1.10) as

If at an irb prompt you run
require ‘rubygems’
require ‘ruby-debug’
debugger

do you break into the debugger?

Fred

I have put require “ruby-debug” statement in development.rb but it
doesnt work (I did restart).

I typed IRB in the application’s directory and the irb prompt started.
It gave false to rubygems, true to ruby-debug and 1 to debugger (as an
answer).

11

Frederick C. wrote:

On 3 Jun 2008, at 00:25, Ather S. wrote:

saying that the debugger failed to install. When I do gem -list it
Fred

I have put require “ruby-debug” statement in development.rb but it
doesnt work (I did restart).

I typed IRB in the application’s directory and the irb prompt started.
It gave false to rubygems, true to ruby-debug and 1 to debugger (as an
answer).
You should have got a debugger prompt, so something’s bust.

Fred

What do you propose I do now? Just setting up the environment /
installation etc. was a tediously long feat.