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Category: Npm clear cache stackoverflow

Npm clear cache stackoverflow

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It only takes a minute to sign up. I have a Docker image, let's call it frontend. The Jenkins Docker plugin will spin up a container from this image and build artifacts inside the container. This all works great. In this case, the frontend. Part of building this Angular app is to install npm packages the app requires. This process, npm install, seems to take a long time, 3 minutes it seems, npm always installs every package every time.

So I added a volume for my slave, it is a host mounted volume, the Docker plugin will use this volume every time it runs the frontend container:. The user that executes the command npm install is jenkins. I build my Angular app using a Jenkins project, builds no problem, many npm packages are installed.

This means my host volume mount for the slave worked. Now I build the Jenkins project again, npm installs every single package again, even though the Docker slave build container is using the volume host mount. So, even with my host mount volume, which has permissions chmod by the way so there is no permissions issues, I cannot get npm install to use the cache.

In my Jenkins build, which spins up the Docker slave container, the first cmd I run is npm cache ls and many packages are listed, doesn't this mean my host volume is working as expected and the npm cache index has integrity aka not corrupted? I have tried the regular npm install cmd, which, when I run on my localhost machine installs all the packages the first time and almost no packages the next time. And also the npm cache "hack" npm --cache-min installtaken from this SO answer as well as cmd npm --skip-installed --cache-min install.

A related question was posted on StackOverflow. I finally solved this by using Docker image layer caching for the npm install, following this answer. This means I moved the npm install out of the Docker slave image and into the actually frontend image, here is my final Docker file that truly caches the npm install in between builds if package.

Another approach you can do is set up a nexus repository server where you host your npm modules and proxy the external ones. It does not leverage the cache, but because the resources are within your local network or maybe in the same swarm it shouldn't take as long. Sign up to join this community. The best answers are voted up and rise to the top.

Home Questions Tags Users Unanswered. How to enable the npm cache in a Jenkins build slave that runs in docker? Ask Question. Asked 2 years, 5 months ago.

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Active 2 years ago. Viewed 15k times. So I added a volume for my slave, it is a host mounted volume, the Docker plugin will use this volume every time it runs the frontend container: The user that executes the command npm install is jenkins.

And also the npm cache "hack" npm --cache-min installtaken from this SO answer as well as cmd npm --skip-installed --cache-min install A related question was posted on StackOverflow. Brian Ogden Brian Ogden 1 1 gold badge 3 3 silver badges 11 11 bronze badges.

This just sounds like npm is acting as if there was nothing in the cache, so I guess it doesn't list the directory but base itself on some kind of index elsewhere. The location of the cache yes, that doesn't enforce the cache index is in the same location at all. Active Oldest Votes.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Some time ago I had trouble with the npm cache on our build machines.

From time to time we had to do npm cache clean by hand, and that solved various issues that we are still not certain about what caused them. So after a time we included npm cache clean in all our build scripts, since then we did not have mysterious problems with npm ihowever now parallel builds obviously affect each other.

For me the best solution seems to be completely turn off the npm caching mechanism, but I couldn't find out how to do that. You could fix the problem with parallel builds by creating a new directory for one series of npm commands and set its cache to that empty directory and then remove that directory afterwards.

npm clear cache stackoverflow

This would remove the need for npm cache clean as it would always start out with an empty cache. As npm-config documented:. In my case, i was facing similar issue while running multiple instance of 'npm install' on VM used for build Windows.

Since it was a VM used only for build there was no other program locking the files.

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I tried disabling various antivirus settings which didn't worked. Finally, after some research, I ended up running "npm install" with separate cache path for each job using following command:.

I was not able to find this way of giving a cache path in npm documentation but i gave it a try and it worked. I am using npm6 and looks like it works since npm5 as ArchNoob mentioned in the comment. Learn more. Disable npm cache Ask Question. Asked 4 years ago. Active 3 months ago. Viewed 11k times. Tamas Hegedus Tamas Hegedus Active Oldest Votes. Dan D. And why would that series of npm commands use the cache in that new location you just created?

What I see here, you create and delete a temp directory, but npm still uses the global cache as usual What am I missing? In my case, i was facing similar issue while running multiple instance of 'npm install' on VM used for build Windows Since it was a VM used only for build there was no other program locking the files.

Luke P. Issac Luke P.

Clearing Node’s NPM Cache

Issac 1, 7 7 silver badges 24 24 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

This should be how you delete the cache for just one package named "XXX". If it doesn't work, please critique the answer. Learn more. Asked 1 year, 11 months ago. Active 1 year ago. Viewed 2k times. The problem: sometimes I run npm install x latest but it doesn't actually pull the latest version of the package that is lame.

npm clear cache stackoverflow

Anyone know a good workaround? Alexander Mills. Alexander Mills Alexander Mills 1. You cannot delete only one package. If you look at the docs, they said the following: "There is currently no method exposed through npm to inspect or directly manage the contents of this cache. In order to access it, cacache must be used directly. Active Oldest Votes.

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This is not working on OS X as packages a not in a named directory. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Featured on Meta. Community and Moderator guidelines for escalating issues via new response….

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The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Though it clears some of the files in this folder. However, Node. Yes it is safe, I have deleted npm and npm-cache folder manually and reinstall node its working fine.

Learn more. Is it safe to remove npm-cache folder in windows? Ask Question. Asked 2 years, 5 months ago. Active 1 year, 1 month ago. Viewed 7k times. So, why is it not happening? Would it be okay if I manually delete the folder? I'm on Windows 10 with node 8. Daniel Ruf 6, 10 10 gold badges 46 46 silver badges bronze badges.

JerryGoyal JerryGoyal 19k 14 14 gold badges 97 97 silver badges bronze badges. The cache is used for local and global modules. Active Oldest Votes. Subhajit Das Subhajit Das 95 2 2 silver badges 16 16 bronze badges. SHR 6, 8 8 gold badges 29 29 silver badges 48 48 bronze badges. MzkZeeshan MzkZeeshan 21 1 1 bronze badge.This command is primarily intended to be used internally by npm, but it can provide a way to add data to the local installation cache explicitly. This directory is a cacache -based content-addressable cache that stores all http request data as well as other package-related data.

All data that passes through the cache is fully verified for integrity on both insertion and extraction. Cache corruption will either trigger an error, or signal to pacote that the data must be refetched, which it will do automatically.

npm clear cache stackoverflow

For this reason, it should never be necessary to clear the cache for any reason other than reclaiming disk space, thus why clean now requires --force to run. There is currently no method exposed through npm to inspect or directly manage the contents of this cache.

In order to access it, cacache must be used directly.

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The npm cache is strictly a cache: it should not be relied upon as a persistent and reliable data store for package data. The primary guarantee that the cache makes is that, if it does return data, that data will be exactly the data that was inserted. To run an offline verification of existing cache contents, use npm cache verify. The root cache folder.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. After clearing cache, it is not working. The error log below suggest problem with internet connectivity but internet connection is just fine. This problem does not only happen for bower but for any modules. If you want to make sure everything is consistent, use. Learn more.

Asked 6 years, 4 months ago. Active 1 month ago. Viewed k times. Before clearing cache npm cache clear npm is working fine. System Darwin LeftyX The question here asked about "npm cache clear" but the body of the question shows output from "npm install" instead, which clearly reports an ETIMEOUT. Error, since the OP hasn't clarified in about 2 years, I think this question should be closed.

npm clear cache stackoverflow

Active Oldest Votes. Per Quested Aronsson Per Quested Aronsson 8, 8 8 gold badges 43 43 silver badges 65 65 bronze badges. This answer may have been correct at the time, when npm was at version 1. However, in npm 2.

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This worked for me: npm cache clean --force. This did not work for me on Windows 10 no errors, just did nothing. If you want to make sure everything is consistent, use npm cache verify instead. Nothing is guaranteed to self heal.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. When do I have to use npm cache clean? And, why after using npm cache clean do I get info trying?

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This helps when you have multiple nodejs based setups requiring various packages as dependencies. Npm wouldn't download a package which is already in the cache, instead would use the package from the cache if it's already there.

Hence, in this case, it tries to optimise on the number of downloads it has to do. Now, about when do you use npm cache clean.

I've used it when for some reason my cache gets corrupted with some conflicting versions of different dependencies, or you simply want to clean up packages which you know you're not going to require at all, like maybe older versions of certain dependencies. Learn more. When use npm cache and why?

Ask Question. Asked 6 years, 3 months ago. Active 1 year, 5 months ago. Viewed 9k times. Twinsen Twinsen 7 7 silver badges 19 19 bronze badges. As far as I am concerned, the same thing is available in Bower. I deleted all my components in bower. A bower cache clean solved my problem. Active Oldest Votes. Sign up or log in Sign up using Google. Sign up using Facebook.

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