rescue Questions

10

Solved

I am using sidekiq in my rails application. By Default, Sidekiq can be accessed by anybody by appending "/sidekiq" after the url. I want to password protect / authenticate only the sidekiq part. Ho...
Filariasis asked 4/9, 2012 at 14:16

2

Solved

I have a module in which I am performing all of my encryption/decryption tasks for a project. I would like to catch any OpenSSL::Cipher::CipherError exceptions that occur in this module so that I c...
Leif asked 15/5, 2013 at 14:4

4

Solved

I have built a simple banking application, which is able to perform the usual operations; Deposit, Withdraw etc. My controller methods perform these operations and rescue exceptions that are raise...
Separator asked 13/7, 2015 at 15:36

2

I have method like this def className def method_name some code rescue some code and error message end end So, How to write down the rspec to test rescue block..?
Buckskins asked 8/1, 2014 at 15:13

5

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I know of the standard technique of having a begin <some code> rescue <rescue code> end How does one just use the rescue block on its own? How does it work, and how does it know which c...
Nifty asked 9/10, 2009 at 8:58

5

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This is somewhat of a broad question, but it is one that I continue to come across when programming in Ruby. I am from a largely C and Java background, where when I use a library function or method...
Droplight asked 8/9, 2009 at 7:15

3

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I have some code that needs to rescue multiple types of exceptions in ruby: begin a = rand if a > 0.5 raise FooException else raise BarException end rescue FooException, BarException put...
Stoichiometry asked 25/4, 2011 at 18:24

1

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I know we can get the full stacktrace using __STACKTRACE__ in a catch/rescue block in elixir, but what's the correct way of printing it? In my case, I rescue from an error but I still want to log i...
Intuitive asked 3/12, 2018 at 7:55

2

Rails 4 adds an exception ActionDispatch::ParamsParser::ParseError exception but since its in the middleware stack it appears it can't be rescued in the normal controller environment. In a json API...
Lagging asked 17/3, 2013 at 9:11

2

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I recently learned that you can use rescue on a line of code in case something goes wrong on that line (see http://www.rubyinside.com/21-ruby-tricks-902.html Tip #21). I have some code that used to...
Ostler asked 13/3, 2013 at 21:26

1

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This seems okay to me and I cannot find any documentation that says otherwise, but I'd like it verified. I have a piece of code that could fail, for whatever reason, an ensure after it to protect i...
Quincentenary asked 6/10, 2015 at 18:3

2

I love Ruby On Rails and every day I am learning and improving my skills. Currently I am working on an application that is used by several clients and I want to refactor my code so I can feel confi...
Lining asked 10/6, 2015 at 22:23

2

Solved

begin raise 'foo' rescue puts $!.inspect # => #<RuntimeError: foo> ensure puts $!.inspect # => nil end puts $!.inspect # => nil Googled around but didn't find a clear answer. J...
Mcfarlane asked 9/1, 2015 at 1:51

3

Solved

I am working with the following piece; def index @user = User.find(params[:id]) rescue flash[:notice] = "ERROR" redirect_to(:action => 'index') else flash[:notice] = "OK" redirect_to(:...
Photothermic asked 2/4, 2010 at 14:28

2

I am now dealing with this issue by using the following code begin File.open(filename, 'r') rescue print "failed to open #{filename}\n" exit end Is there any way to do it more easily like Per...
Ageold asked 6/4, 2014 at 18:44

2

In my app, I sometimes create a User on the fly, and a user's email must be a valid format, and be unique. I would like to redirect to different places depending on WHICH validation caused the err...
Fraser asked 6/3, 2012 at 21:31

1

In my Rails 2.3.8 application I had a rescue_from code for exceptions, which are thrown during javascript actions: rescue_from ::Exception, :with => :show_js_errors ... def show_js_errors exc...
Neral asked 25/7, 2011 at 8:57

1

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I want to avoid an error, if a require is not successfull. I can do it with: begin require 'unexisting_script' rescue LoadError end I tried to do the same with a one-line condition: require ...
Antony asked 12/11, 2013 at 8:57

1

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I have the following code in my script... begin #Loop to create 1000 emails... #Loop to send 1000 emails... rescue Timeout::Error => e retry_attempts += 1 if retry_attempts < 10 retr...
Davison asked 29/8, 2013 at 18:50

2

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Given the example: def method_of_doom my_string = "I sense impending doom." my_string.ah_ha_i_called_a_nonexistent_method rescue NoMethodError => e: puts "PROBLEM: " + e.to_s rescue Exception: ...
Metalloid asked 17/1, 2013 at 23:45

4

Solved

I have stumbled upon a situation where my application looks for an id that does not exist in the database. An exception is thrown. Of course, this is a pretty standard situation for any web develop...
Onetime asked 17/11, 2012 at 20:31

1

Does the Ruby rescue statement modifier work with require? irb(main):001:0> require 'a' rescue nil LoadError: no such file to load -- a from (irb):1:in `require' from (irb):1 from :0
Primalia asked 5/10, 2012 at 16:41

2

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When I run the following, rescue seems to be ignored for ArgumentError. The ArgumentError error message from Ruby appears on the console, but my puts message does not. I tried rescue with TypeError...
Miserly asked 21/5, 2012 at 21:26

3

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I have this piece of code: begin complete_results = Timeout.timeout(4) do results = platform.search(artist, album_name) end rescue Timeout::Error puts 'Print me something please' end I then ...
Beggary asked 9/1, 2011 at 2:4

4

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Ok so I have this method of an application I am working with and it works in production. My question why does this work? Is this new Ruby syntax? def edit load_elements(current_user) unless curre...
Nyasaland asked 10/4, 2012 at 12:53

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