webpack: Error when using cheap-module-source-map

TypeError: Cannot read property '0' of undefined
    at processMapping (/jenkins/jenkinsjobs/Admin-v2 Deploy (QA)/workspace/node_modules/webpack/node_modules/webpack-core/node_modules/source-list-map/lib/fromStringWithSourceMap.js:51:54)
    at /jenkins/jenkinsjobs/Admin-v2 Deploy (QA)/workspace/node_modules/webpack/node_modules/webpack-core/node_modules/source-list-map/lib/fromStringWithSourceMap.js:28:16
    at Array.forEach (native)
    at fromStringWithSourceMap (/jenkins/jenkinsjobs/Admin-v2 Deploy (QA)/workspace/node_modules/webpack/node_modules/webpack-core/node_modules/source-list-map/lib/fromStringWithSourceMap.js:20:11)
    at SourceMapSource.listMap (/jenkins/jenkinsjobs/Admin-v2 Deploy (QA)/workspace/node_modules/webpack/node_modules/webpack-core/lib/SourceMapSource.js:47:9)
    at SourceMapSource.proto.sourceAndMap (/jenkins/jenkinsjobs/Admin-v2 Deploy (QA)/workspace/node_modules/webpack/node_modules/webpack-core/lib/SourceAndMapMixin.js:19:16)
    at Tapable.<anonymous> (/jenkins/jenkinsjobs/Admin-v2 Deploy (QA)/workspace/node_modules/webpack/lib/SourceMapDevToolPlugin.js:56:32)
    at Array.map (native)
    at Tapable.<anonymous> (/jenkins/jenkinsjobs/Admin-v2 Deploy (QA)/workspace/node_modules/webpack/lib/SourceMapDevToolPlugin.js:44:84)
    at Array.forEach (native)

About this issue

Original URL
State: closed
Created 9 years ago
Comments: 17 (5 by maintainers)

Commits related to this issue

allow missing source in SourceMap #954 — committed to webpack/webpack by sokra 9 years ago
Fix fail when undefined module is coming to footer generator Fix issue #954 — committed to ftdebugger/webpack by ftdebugger 9 years ago
Fix fail when undefined module is coming to footer generator Fix issue #954 — committed to ftdebugger/webpack by ftdebugger 9 years ago
Fix fail when undefined module is coming to footer generator Fix issue #954 — committed to ftdebugger/webpack by ftdebugger 9 years ago

Most upvoted comments

+1 this is still a problem

andrew-w-ross on Oct 22, 2015

@sokra, this still appears on my codebase with webpack@1.12.1:

/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/ModuleFilenameHelpers.js:106
            " ** " + module.readableIdentifier(requestShortener),
                           ^
TypeError: Cannot read property 'readableIdentifier' of undefined
    at Object.createFooter (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/ModuleFilenameHelpers.js:106:19)
    at /Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/SourceMapDevToolPlugin.js:117:57
    at Array.map (native)
    at Compilation.<anonymous> (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/SourceMapDevToolPlugin.js:116:58)
    at Array.forEach (native)
    at Compilation.<anonymous> (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/SourceMapDevToolPlugin.js:106:10)
    at Compilation.applyPlugins (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/node_modules/tapable/lib/Tapable.js:26:37)
    at Compilation.<anonymous> (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/Compilation.js:570:10)
    at Compilation.next (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/node_modules/tapable/lib/Tapable.js:67:11)
    at Compilation.<anonymous> (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/ProgressPlugin.js:65:5)
    at Compilation.applyPluginsAsync (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/node_modules/tapable/lib/Tapable.js:71:13)
    at Compilation.<anonymous> (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/Compilation.js:566:9)
    at Compilation.next (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/node_modules/tapable/lib/Tapable.js:67:11)
    at ExtractTextPlugin.<anonymous> (/Users/panferov-s/Workspace/alfa-listing/node_modules/extract-text-webpack-plugin/index.js:303:4)
    at Compilation.applyPluginsAsync (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/node_modules/tapable/lib/Tapable.js:71:13)
    at Compilation.<anonymous> (/Users/panferov-s/Workspace/alfa-listing/node_modules/webpack/lib/Compilation.js:562:8)

s-panferov on Sep 10, 2015