ChunkLoadError on every deploy: the in-place rebuild trap in Next.js standalone
A recent issue with a Next.js site behind nginx caused a recurring ChunkLoadError during deployments. The problem stemmed from in-place rebuilds that resulted in mismatched chunk filenames, leading to 500 errors. Several potential solutions were considered to mitigate the downtime and error rates during future deployments.
- ▪The site experienced a 500 error on a locale-prefixed product route during a deployment.
- ▪The error was traced back to a timing issue during the in-place rebuild process.
- ▪Several deployment strategies were evaluated to reduce downtime and prevent 500 errors.
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Record
| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/markettrace/chunkloaderror-on-every-deploy-the-in-place-rebuild-trap-in-nextjs-standalone-1d8i |
| Publication time | Mon, 18 May 2026 08:07:04 +0000 |
| Retrieval time | 2026-05-18T08:34:56.132Z |
| Last seen | 2026-05-18T08:34:56.132Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 7kWzLEftV0jF |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3931543) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Vitalii Buhaiov for MarketTrace Posted on May 18 ChunkLoadError on every deploy: the in-place rebuild trap in Next.js standalone #nextjs #development #devops #nginx We run a Next.js 16 site behind nginx on a single VPS. Recently Google Search Console reported a single 500 on one of our locale-prefixed pages. The page was working fine by the time I clicked through. I almost ignored it. I'm glad I didn't. The trail led to a bug that fires on every deploy, and the fix is short.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).
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