当我尝试在最新版本的linux ubuntu上安装ruby on rails时，遇到了一个问题。
Ruby版本：Ruby 2.7.1p83(2020-03-31修订版a0c7c23c9c([x86_64-linux]Rails版本：6.0.3.2我有nodejs和mysql
当我在项目的文件夹中时，我启动命令：Rails服务器这是我得到的错误：
tchoune@tchounePc:~/ruby/myapp$ rails server
=> Booting Puma
=> Rails 6.0.3.2 application starting in development
=> Run `rails server --help` for more startup options
Exiting
Traceback (most recent call last):
77: from bin/rails:3:in `<main>'
76: from bin/rails:3:in `load'
75: from /home/tchoune/ruby/myapp/bin/spring:15:in `<top (required)>'
74: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:72:in `require'
73: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:72:in `require'
72: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>'
71: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load'
70: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/bin/spring:49:in `<top (required)>'
69: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client.rb:30:in `run'
68: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call'
67: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call'
66: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load'
65: from /home/tchoune/ruby/myapp/bin/rails:9:in `<top (required)>'
64: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `require'
63: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:291:in `load_dependency'
62: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `block in require'
61: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
60: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
59: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
58: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
57: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
56: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands.rb:18:in `<main>'
55: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/command.rb:46:in `invoke'
54: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/command/base.rb:69:in `perform'
53: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch'
52: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command'
51: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run'
50: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:138:in `perform'
49: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:138:in `tap'
48: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:147:in `block in perform'
47: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:37:in `start'
46: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:77:in `log_to_stdout'
45: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/server.rb:422:in `wrapped_app'
44: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/server.rb:249:in `app'
43: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/server.rb:349:in `build_app_and_options_from_config'
42: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:66:in `parse_file'
41: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:105:in `load_file'
40: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:116:in `new_from_string'
39: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:116:in `eval'
38: from config.ru:3:in `block in <main>'
37: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:49:in `require_relative'
36: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `require'
35: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:291:in `load_dependency'
34: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `block in require'
33: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/zeitwerk-2.3.1/lib/zeitwerk/kernel.rb:34:in `require'
32: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
31: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
30: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
29: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
28: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
27: from /home/tchoune/ruby/myapp/config/environment.rb:5:in `<main>'
26: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/application.rb:363:in `initialize!'
25: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:60:in `run_initializers'
24: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:205:in `tsort_each'
23: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:226:in `tsort_each'
22: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:347:in `each_strongly_connected_component'
21: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:347:in `call'
20: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:347:in `each'
19: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:349:in `block in each_strongly_connected_component'
18: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:431:in `each_strongly_connected_component_from'
17: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
16: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:228:in `block in tsort_each'
15: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:61:in `block in run_initializers'
14: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:32:in `run'
13: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:32:in `instance_exec'
12: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/railtie.rb:84:in `block in <class:Engine>'
11: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker.rb:35:in `bootstrap'
10: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/commands.rb:25:in `bootstrap'
9: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/manifest.rb:18:in `refresh'
8: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/manifest.rb:83:in `load'
7: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:51:in `public_manifest_path'
6: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:47:in `public_output_path'
5: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:43:in `public_path'
4: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:84:in `fetch'
3: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:88:in `data'
2: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:92:in `load'
1: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:92:in `read'
/home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:92:in `read': No such file or directory @ rb_sysopen - /home/tchoune/ruby/myapp/config/webpacker.yml (Errno::ENOENT)
76: from bin/rails:3:in `<main>'
75: from bin/rails:3:in `load'
74: from /home/tchoune/ruby/myapp/bin/spring:15:in `<top (required)>'
73: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:72:in `require'
72: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:72:in `require'
71: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>'
70: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load'
69: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/bin/spring:49:in `<top (required)>'
68: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client.rb:30:in `run'
67: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call'
66: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call'
65: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load'
64: from /home/tchoune/ruby/myapp/bin/rails:9:in `<top (required)>'
63: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `require'
62: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:291:in `load_dependency'
61: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `block in require'
60: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
59: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
58: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
57: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
56: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
55: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands.rb:18:in `<main>'
54: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/command.rb:46:in `invoke'
53: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/command/base.rb:69:in `perform'
52: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch'
51: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command'
50: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run'
49: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:138:in `perform'
48: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:138:in `tap'
47: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:147:in `block in perform'
46: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:37:in `start'
45: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/commands/server/server_command.rb:77:in `log_to_stdout'
44: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/server.rb:422:in `wrapped_app'
43: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/server.rb:249:in `app'
42: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/server.rb:349:in `build_app_and_options_from_config'
41: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:66:in `parse_file'
40: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:105:in `load_file'
39: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:116:in `new_from_string'
38: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rack-2.2.3/lib/rack/builder.rb:116:in `eval'
37: from config.ru:3:in `block in <main>'
36: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:49:in `require_relative'
35: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `require'
34: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:291:in `load_dependency'
33: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/activesupport-6.0.3.2/lib/active_support/dependencies.rb:324:in `block in require'
32: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/zeitwerk-2.3.1/lib/zeitwerk/kernel.rb:34:in `require'
31: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
30: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
29: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
28: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
27: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
26: from /home/tchoune/ruby/myapp/config/environment.rb:5:in `<main>'
25: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/application.rb:363:in `initialize!'
24: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:60:in `run_initializers'
23: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:205:in `tsort_each'
22: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:226:in `tsort_each'
21: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:347:in `each_strongly_connected_component'
20: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:347:in `call'
19: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:347:in `each'
18: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:349:in `block in each_strongly_connected_component'
17: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:431:in `each_strongly_connected_component_from'
16: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
15: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/2.7.0/tsort.rb:228:in `block in tsort_each'
14: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:61:in `block in run_initializers'
13: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:32:in `run'
12: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/railties-6.0.3.2/lib/rails/initializable.rb:32:in `instance_exec'
11: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/railtie.rb:84:in `block in <class:Engine>'
10: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker.rb:35:in `bootstrap'
9: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/commands.rb:25:in `bootstrap'
8: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/manifest.rb:18:in `refresh'
7: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/manifest.rb:83:in `load'
6: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:51:in `public_manifest_path'
5: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:47:in `public_output_path'
4: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:43:in `public_path'
3: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:84:in `fetch'
2: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:88:in `data'
1: from /home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:91:in `load'
/home/tchoune/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/webpacker-4.2.2/lib/webpacker/configuration.rb:95:in `rescue in load': Webpacker configuration file not found /home/tchoune/ruby/myapp/config/webpacker.yml. Please run rails webpacker:install Error: No such file or directory @ rb_sysopen - /home/tchoune/ruby/myapp/config/webpacker.yml (RuntimeError)
有人知道我缺少什么配置吗？提前谢谢！
@viktor是的，他需要安装Yarn，但我有。。
tchoune@tchounePc:~/ruby/myapp$ rails webpacker:install
Yarn not installed. Please download and install Yarn from https://yarnpkg.com/lang/en/docs/install/
tchoune@tchounePc:~/ruby/myapp$ sudo apt update && sudo apt install yarn
[sudo] Mot de passe de tchoune :
Atteint :1 http://ch.archive.ubuntu.com/ubuntu focal InRelease
Réception de :2 http://ch.archive.ubuntu.com/ubuntu focal-updates InRelease [111 kB]
Atteint :3 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu focal InRelease
Atteint :4 https://brave-browser-apt-release.s3.brave.com stable InRelease
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Atteint :6 https://dl.yarnpkg.com/debian stable InRelease
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1’702 ko réceptionnés en 2s (921 ko/s)
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances
Lecture des informations d'état... Fait
7 paquets peuvent être mis à jour. Exécutez « apt list --upgradable » pour les voir.
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances
Lecture des informations d'état... Fait
yarn est déjà la version la plus récente (1.22.4-1).
Les paquets suivants ont été installés automatiquement et ne sont plus nécessaires :
fonts-lato javascript-common libc-ares2 libgmp-dev libgmpxx4ldbl libjs-jquery libllvm9 libllvm9:i386 linux-headers-5.4.0-26
linux-headers-5.4.0-26-generic linux-image-5.4.0-26-generic linux-modules-5.4.0-26-generic linux-modules-extra-5.4.0-26-generic nodejs-doc python3-cliapp
python3-ttystatus ruby-minitest ruby-net-telnet ruby-power-assert ruby-test-unit ruby-xmlrpc ruby2.7-doc rubygems-integration
Veuillez utiliser « sudo apt autoremove » pour les supprimer.
0 mis à jour, 0 nouvellement installés, 0 à enlever et 7 non mis à jour.
tchoune@tchounePc:~/ruby/myapp$ rails server
=> Booting Puma
=> Rails 6.0.3.2 application starting in development
=> Run `rails server --help` for more startup options
Exiting
Traceback (most recent call last):