Gatsby v4 works locally, but timed out on Netlify

stevepepple · October 28, 2021, 3:09pm

I’m also seeing this same issue. The build times out no the Building production JavaScript and CSS bundles step with this message:

success run queries in workers - 438.798s - 1795/1795 4.09/s
8:00:06 AM: error UNHANDLED EXCEPTION write EPIPE
8:00:06 AM: 
8:00:06 AM: 
8:00:06 AM:   Error: write EPIPE
8:00:06 AM:   
8:00:06 AM:   - child_process.js:841 ChildProcess.target._send
8:00:06 AM:     internal/child_process.js:841:20
8:00:06 AM:   
8:00:06 AM:   - child_process.js:712 ChildProcess.target.send
8:00:06 AM:     internal/child_process.js:712:19
8:00:06 AM:   
8:00:06 AM:   - index.js:290 WorkerPool.sendMessage
8:00:06 AM:     [site]/[gatsby-worker]/dist/index.js:290:19
8:00:06 AM:   
8:00:06 AM:   - worker-messaging.ts:22 
8:00:06 AM:     [site]/[gatsby]/src/utils/jobs/worker-messaging.ts:22:22
8:00:06 AM:   
8:00:06 AM: 
8:00:06 AM: not finished Merge worker state - 0.260s
8:00:06 AM:

The Gatsby team fixed the issue in build #4.0.1. That version works for me locally but times out on Netlify:

github.com/gatsbyjs/gatsby

Gatsby build occasionally time out after "Caching JavaScript and CSS webpack compilation"

opened 08:10AM - 17 Oct 21 UTC

closed 06:06AM - 27 Oct 21 UTC

robinmetral

type: bug status: confirmed

### Preliminary Checks - [X] This issue is not a duplicate. Before opening a …new issue, please search existing issues: https://github.com/gatsbyjs/gatsby/issues - [X] This issue is not a question, feature request, RFC, or anything other than a bug report directly related to Gatsby. Please post those things in GitHub Discussions: https://github.com/gatsbyjs/gatsby/discussions ### Description About a month ago, [builds of my Gatsby site](https://github.com/robinmetral/gatsby-source-s3/actions/workflows/test.yml) started failing in GitHub Actions. _For context, this Gatsby site is a minimal example using my [`gatsby-source-s3`](https://github.com/robinmetral/gatsby-source-s3) plugin, that I use for testing the plugin end-to-end._ Here's from an [example of a failed build](https://github.com/robinmetral/gatsby-source-s3/runs/3912139392?check_suite_focus=true): ```sh # ℹ️ omitted earlier logs, check out the link above to view the entire output success run page queries - 13.660s - 1/1 0.07/s # 👈 this is after all nodes were sourced from S3, so I don't think the problem is with my plugin success write out requires - 0.011s success Building production JavaScript and CSS bundles - 9.577s success Rewriting compilation hashes - 0.005s success Writing page-data.json files to public directory - 0.017s - 1/1 57.50/s success Caching JavaScript and CSS webpack compilation - 13.059s # 👈 this is where is hangs Error: Timed out waiting for: http://localhost:9000 # 👈 this is the timeout from cypress. I've also increased it to see if it just took too long, but that was not the issue ``` At first, all builds were failing, and in the last week it seems that some of them are passing again while others are still failing. I'm not sure what's happening here, as there are no helpful logs in the build output. A local `gatsby develop` works completely fine. The occasional passing build seem to rule out issues in my project or in other dependencies. I also [asked on discord](https://discord.com/channels/484383807575687178/537691356487876624/898110109966811156) but it didn't seem like anyone was having the same issue. Any thoughts on: - what the issue is here - how I could debug this—I haven't found anything on [the docs](https://www.gatsbyjs.com/docs/reference/gatsby-cli/#build) about this Thank you! _A note about the reproduction link 👇 I am aware that the issue template says "Do not link to your actual project", but in my case this example site is exactly a minimal example, since the only thing is does is pulling images from S3. I added the GH Action output there, [here's the link to the actual source](https://github.com/robinmetral/gatsby-source-s3/tree/main/examples/gatsby-starter-source-s3) although I doubt that it will be helpful._ ### Reproduction Link https://github.com/robinmetral/gatsby-source-s3/runs/3912139392?check_suite_focus=true ### Steps to Reproduce 1. Visit the link above to see the failing build output. I cannot reliably reproduce this locally, as mentioned in the summary. ### Expected Result `gatsby build` should not time out ### Actual Result `gatsby build` is flaky and unreliable, and regularly hangs in CI envs ### Environment My local environment is not the issue here, this is failing on a clean GH Actions machine with: - Ubuntu 20.04 LTS - Latest Node 14 - Gatsby 3 ### Config Flags _No response_