Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

`appium --help` throws exception

See original GitHub issue

Running appium --help from the CLI gives an error with this stack trace

TypeError: parts.forEach is not a function
    at _getLines (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/help/formatter.js:380:15)
    at HelpFormatter._formatUsage (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/help/formatter.js:418:17)
    at /Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/help/formatter.js:67:17
    at Array.map (native)
    at Section.formatHelp (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/help/formatter.js:61:26)
    at HelpFormatter.formatHelp (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/help/formatter.js:300:32)
    at ArgumentParser.formatUsage (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/argument_parser.js:1026:20)
    at ArgumentParser.printUsage (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/argument_parser.js:1082:27)
    at ArgumentParser.error (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/argument_parser.js:1156:8)
    at ArgumentParser.parseKnownArgs (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/argument_parser.js:297:10)
    at ArgumentParser.parseArgs (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/argparse/lib/argument_parser.js:234:21)
    at ArgumentParser.parser.parseArgs (../../lib/parser.js:752:29)
    at main$ (../../lib/main.js:146:4)
    at tryCatch (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:67:40)
    at GeneratorFunctionPrototype.invoke [as _invoke] (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:315:22)
    at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
    at invoke (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:136:37)
    at enqueueResult (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:185:17)
    at F (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/core-js/library/modules/$.export.js:30:36)
    at AsyncIterator.enqueue (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:184:12)
    at AsyncIterator.prototype.(anonymous function) [as next] (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
    at Object.runtime.async (/Users/danielgraham/.nvm/versions/node/v7.10.1/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:209:12)
    at main (../../lib/main.js:152:13)
    at asyncify (lib/asyncbox.js:65:15)
    at Object.<anonymous> (../../lib/main.js:183:2)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.runMain (module.js:605:10)
    at run (bootstrap_node.js:427:7)
    at startup (bootstrap_node.js:151:9)
    at bootstrap_node.js:542:3

Issue Analytics

State:
Created 6 years ago
Comments:8 (3 by maintainers)

Top GitHub Comments

3reactions

dpgrahamcommented, Feb 7, 2018

@munkyjunky We have a fix ready. We’re waiting on a pull request for a third party library that we’re using (https://github.com/nodeca/argparse/pull/122) and then it will be in the next version of Appium.

1reaction

dpgrahamcommented, Oct 26, 2017

I’ll try it again tomorrow and try to fix it myself.