Smarthome: Paper UI: build failure: integrity checksum failed

[maggu2810]

Travis CI failed: https://travis-ci.org/eclipse/smarthome/builds/355753272
Log: log.txt

[INFO] --- frontend-maven-plugin:1.0:npm (npm install) @ org.eclipse.smarthome.ui.paper ---
[INFO] Running 'npm install' in /home/travis/build/eclipse/smarthome/extensions/ui/org.eclipse.smarthome.ui.paper
[WARNING] npm WARN deprecated [email protected]: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
[WARNING] npm WARN deprecated [email protected]: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
[WARNING] npm WARN deprecated [email protected]: Package no longer supported. Contact [email protected] for more info.
[WARNING] npm WARN deprecated [email protected]: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
[WARNING] npm WARN deprecated [email protected]: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
[WARNING] npm WARN deprecated [email protected]: express 2.x series is deprecated
[WARNING] npm WARN deprecated [email protected]: CoffeeScript on NPM has moved to "coffeescript" (no hyphen)
[WARNING] npm WARN deprecated [email protected]: connect 1.x series is deprecated
[WARNING] npm WARN deprecated [email protected]: Use uuid module instead
[WARNING] npm WARN deprecated [email protected]: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
[WARNING] npm WARN deprecated [email protected]: Old versions of Formidable are not compatible with the current Node.js; Upgrade to 1.2.0 or later
[WARNING] npm WARN deprecated [email protected]: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
[ERROR] npm ERR! code EINTEGRITY
[ERROR] npm ERR! sha1-qced3wuE72sv5IoNEVe0JWioH1o= integrity checksum failed when using sha1: wanted sha1-qced3wuE72sv5IoNEVe0JWioH1o= but got sha1-YaWyHl7atUePdG49lW2KdmjqbpU=. (2482734 bytes)
[ERROR] 
[ERROR] npm ERR! A complete log of this run can be found in:
[ERROR] npm ERR!     /home/travis/build/eclipse/smarthome/extensions/ui/org.eclipse.smarthome.ui.paper/npm_cache/_logs/2018-03-20T09_32_40_691Z-debug.log

• wanted sha1-qced3wuE72sv5IoNEVe0JWioH1o=
• got sha1-YaWyHl7atUePdG49lW2KdmjqbpU=

[htreu]

This is a strange error, have seen it multiple times now. Restarting the build resolves it most of the time. The official Jenkins does not seem to have this problem, maybe Travis infrastructure?

Edit:

have seen it multiple times now

Only on Travis, though.

[maggu2810]

maybe Travis infrastructure?

Perhaps but a little bit strange.

[kaikreuzer]

I'd assume there isn't much we can do about it. As it doesn't happen often, shall we close this issue?

[sjsf]

doesn't happen often

Does a couple of times a week qualify?
Newest here: https://ci.eclipse.org/smarthome/job/SmartHomeDistribution-Nightly/2654/console

I'd assume there isn't much we can do about it.

Hmmm, what about upgrading NPM as suggested in https://github.com/npm/npm/issues/16861#issuecomment-371255734 (FTR, we _are_ using 5.0.3 - the exact version which is discouraged to be used for this very reason)?