CODEWITHSUNDEEP
ruby-on-railsrubyrubygemsirb
Rainwakr
Rainwakr

Reputation: 13

Unable to run ruby console

I am attempting to follow a graphql rails tutorial and I'm running into some issues. I'm very new to rails, and generally don't have this many issues. From the research I've done it may be an issue with Ruby 2.6+ however, none of the other solutions have worked for me.

Stacktrace: 

>rails c
Traceback (most recent call last):
bin/rails: Bootsnap::LoadPathCache::FallbackScan
        74: from bin/rails:4:in `<main>'
        73: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `require'
        72: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:291:in `load_dependency'
        71: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `block in require'
        70: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        69: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        68: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        67: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        66: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
        65: from /home/alexis/.gem/ruby/2.6.0/gems/railties-6.0.1/lib/rails/commands.rb:18:in `<main>'
        64: from /home/alexis/.gem/ruby/2.6.0/gems/railties-6.0.1/lib/rails/command.rb:46:in `invoke'
        63: from /home/alexis/.gem/ruby/2.6.0/gems/railties-6.0.1/lib/rails/command/base.rb:65:in `perform'
        62: from /home/alexis/.gem/ruby/2.6.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
        61: from /home/alexis/.gem/ruby/2.6.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
        60: from /home/alexis/.gem/ruby/2.6.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
        59: from /home/alexis/.gem/ruby/2.6.0/gems/railties-6.0.1/lib/rails/commands/console/console_command.rb:101:in `perform'
        58: from /home/alexis/.gem/ruby/2.6.0/gems/railties-6.0.1/lib/rails/command/actions.rb:14:in `require_application_and_environment!'
        57: from /home/alexis/.gem/ruby/2.6.0/gems/railties-6.0.1/lib/rails/command/actions.rb:22:in `require_application!'
        56: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `require'
        55: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:291:in `load_dependency'
        54: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `block in require'
        53: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        52: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        51: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        50: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        49: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
        48: from /home/alexis/Documents/rails-tutorial/config/application.rb:20:in `<main>'
        47: from /home/alexis/.gem/ruby/2.6.0/gems/bundler-2.0.2/lib/bundler.rb:114:in `require'
        46: from /home/alexis/.gem/ruby/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `require'
        45: from /home/alexis/.gem/ruby/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `each'
        44: from /home/alexis/.gem/ruby/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `block in require'
        43: from /home/alexis/.gem/ruby/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `each'
        42: from /home/alexis/.gem/ruby/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:81:in `block (2 levels) in require'
        41: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        40: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        39: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        38: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        37: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
        36: from /usr/lib/ruby/gems/2.6.0/gems/graphql-1.9.16/lib/graphql.rb:86:in `<main>'
        35: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `require'
        34: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:291:in `load_dependency'
        33: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `block in require'
        32: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        31: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        30: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        29: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        28: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
        27: from /usr/lib/ruby/gems/2.6.0/gems/graphql-1.9.16/lib/graphql/schema.rb:24:in `<main>'
        26: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `require'
        25: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:291:in `load_dependency'
        24: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `block in require'
        23: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        22: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        21: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        20: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        19: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
        18: from /usr/lib/ruby/gems/2.6.0/gems/graphql-1.9.16/lib/graphql/schema/member.rb:32:in `<main>'
        17: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `require'
        16: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:291:in `load_dependency'
        15: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `block in require'
        14: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        13: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
        12: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
        11: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
        10: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require'
         9: from /usr/lib/ruby/gems/2.6.0/gems/graphql-1.9.16/lib/graphql/schema/member/has_fields.rb:2:in `<main>'
         8: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `require'
         7: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:291:in `load_dependency'
         6: from /home/alexis/.gem/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/dependencies.rb:325:in `block in require'
         5: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:26:in `require'
         4: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:40:in `rescue in require'
         3: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi'
         2: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:89:in `register'
         1: from /usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi'
/usr/lib/ruby/gems/2.6.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require': cannot load such file -- irb/ruby-token (LoadError)

>gem list
*** LOCAL GEMS ***

actioncable (6.0.1)
actionmailbox (6.0.1)
actionmailer (6.0.1)
actionpack (6.0.1)
actiontext (6.0.1)
actionview (6.0.1)
activejob (6.0.1)
activemodel (6.0.1)
activerecord (6.0.1)
activestorage (6.0.1)
activesupport (6.0.1)
addressable (2.7.0)
bigdecimal (default: 1.4.1)
bindex (0.8.1)
bootsnap (1.4.5)
builder (3.2.4)
bundler (2.0.2)
byebug (11.0.1)
capybara (3.29.0)
childprocess (3.0.0)
cmath (default: 1.0.0)
concurrent-ruby (1.1.5)
crass (1.0.5)
csv (default: 3.0.9)
date (default: 2.0.0)
dbm (default: 1.0.0)
e2mmap (default: 0.1.0)
erubi (1.9.0)
etc (default: 1.0.1)
fcntl (default: 1.0.0)
ffi (1.11.3)
fiddle (default: 1.0.0)
fileutils (default: 1.1.0)
forwardable (default: 1.2.0)
gdbm (default: 2.0.0)
globalid (0.4.2)
graphiql-rails (1.5.0)
graphql (1.9.16, 1.8.13)
i18n (1.7.0)
io-console (default: 0.4.7)
ipaddr (default: 1.2.2)
irb (1.2.0, 1.1.0)
jbuilder (2.9.1)
json (default: 2.1.0)
listen (3.1.5)
logger (default: 1.3.0)
loofah (2.4.0)
mail (2.7.1)
marcel (0.3.3)
matrix (default: 0.1.0)
method_source (0.9.2)
mimemagic (0.3.3)
mini_mime (1.0.2)
mini_portile2 (2.4.0)
minitest (5.13.0)
msgpack (1.3.1)
mutex_m (default: 0.1.0)
nio4r (2.5.2)
nokogiri (1.10.7)
openssl (default: 2.1.2)
ostruct (default: 0.1.0)
parslet (1.8.2)
pg (1.1.4)
prime (default: 0.1.0)
psych (default: 3.1.0)
public_suffix (4.0.1)
puma (4.3.1)
rack (2.0.7)
rack-proxy (0.6.5)
rack-test (1.1.0)
rails (6.0.1)
rails-dom-testing (2.0.3)
rails-html-sanitizer (1.3.0)
railties (6.0.1)
rake (13.0.1)
rb-fsevent (0.10.3)
rb-inotify (0.10.0)
regexp_parser (1.6.0)
reline (0.0.7)
rexml (default: 3.1.9)
rss (default: 0.2.7)
ruby_dep (1.5.0)
rubyzip (2.0.0)
sass-rails (6.0.0)
sassc (2.2.1)
sassc-rails (2.1.2)
scanf (default: 1.0.0)
sdbm (default: 1.0.0)
selenium-webdriver (3.142.6)
shell (default: 0.7)
spring (2.1.0)
spring-watcher-listen (2.0.1)
sprockets (4.0.0)
sprockets-rails (3.2.1)
sqlite3 (1.4.1)
stringio (default: 0.0.2)
strscan (default: 1.0.0)
sync (default: 0.5.0)
thor (0.20.3)
thread_safe (0.3.6)
thwait (default: 0.1.0)
tilt (2.0.10)
tracer (default: 0.1.0)
trollop (2.9.10)
turbolinks (5.2.1)
turbolinks-source (5.2.0)
tzinfo (1.2.5)
web-console (4.0.1)
webdrivers (4.1.3)
webpacker (4.2.2)
webrick (default: 1.4.2)
websocket-driver (0.7.1)
websocket-extensions (0.1.4)
xpath (3.2.0)
yarn (0.1.1)
zeitwerk (2.2.2)
zlib (default: 1.0.0)

Please let me know if there is any other information I can provide. As I said I'm new to Ruby and that includes helpful diagnostic information.

Upvotes: 1

Views: 1680

Answers (2)

Vedavrat
Vedavrat

Reputation: 111

I had such error of Ruby gem, concerning « LoadError: cannot load file 'dbm' »:

rdictcc
<internal:/usr/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:136:in `require': cannot load such file -- dbm (LoadError)
    from <internal:/usr/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:136:in `require'
    from /usr/bin/rdictcc:28:in `<main>'

These two commands helped me:

gem update
gem install dbm

Upvotes: 0

Jeff Klink
Jeff Klink

Reputation: 439

Looking at the stacktrace, it's definitely an issue with Bootsnap, and it may have to do with the bleeding edge versions of both ruby (2.6.5 - released Oct 1/19) and rails 6.0.1 (released Nov 1/19).

Seeing this thread as well, I would suggest downgrading your ruby versions into the 2.5 bloodline and trying again and if you're doing a new tutorial, I'm sure that even a modern version of rails like 5.6.2 would work swimmingly as well.

Try RVM or RBenv to install multiple versions/switch between them - it'll make your ruby upgrade/downgrade life quite a bit easier.

Upvotes: 2

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