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https://issues.apache.org/jira/browse/YARN-6003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15753808#comment-15753808
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Sreenath Somarajapuram commented on YARN-6003:
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It because npm uses semantic versioning (semver) rules and the dependencies are
not locked. Semver relies on package developers to not making mistakes, and
here we stumbled upon a package with a bug.
Best option to fix this issue would to move to yarn package manager instead of
npm. It also comes with added advantages like faster build time & offline build
support.
A patch for the same is under investigation.
> yarn-ui build failure caused by debug 2.4.0
> -------------------------------------------
>
> Key: YARN-6003
> URL: https://issues.apache.org/jira/browse/YARN-6003
> Project: Hadoop YARN
> Issue Type: Bug
> Components: build, yarn-ui-v2
> Reporter: Akira Ajisaka
> Priority: Minor
>
> The recent build failure:
> https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/255/artifact/out/patch-compile-root.txt
> {noformat}
> /testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/target/src/main/webapp/node_modules/debug/debug.js:126
> debug.color = selectColor(namespae);
> ^
> ReferenceError: namespae is not defined
> at createDebug
> (/testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/target/src/main/webapp/node_modules/debug/debug.js:126:29)
> at Object.<anonymous>
> (/testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/target/src/main/webapp/node_modules/ember-cli/lib/models/project.js:16:43)
> at Module._compile (module.js:456:26)
> at Object.Module._extensions..js (module.js:474:10)
> at Module.load (module.js:356:32)
> at Function.Module._load (module.js:312:12)
> at Module.require (module.js:364:17)
> at require (module.js:380:17)
> at Object.<anonymous>
> (/testptch/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/target/src/main/webapp/node_modules/ember-cli/lib/cli/index.js:4:21)
> at Module._compile (module.js:456:26)
> {noformat}
> [email protected] is broken. https://github.com/visionmedia/debug/issues/347
> Maybe we need to set the version to 2.4.1 explicitly.
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