[NEXT-841] FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory #32314
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So you are saying this worked in |
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Seems to be a duplicate of #31962 |
balazsorban44
added
Webpack
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@balazsorban44 The error is persistent and consistent We were using the
now do we need to install @swc/core seperately, because i saw next install swc |
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It depends on the babel plugins you were using. The most common ones are ported or being ported already. If you are missing anything, you could add feedback here about what is missing for you: #30174 Apart from that, step 2 and 3 should not be necessary, and you don't have to install At this point, I think your problem is not originating from SWC though unless you can verify that using babel does not reproduce the issue. If you have a persistent/consistent reproduction, that would be super helpful if you could share! 🙏 |
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thanks ... will revert on this in a couple of days |
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I have the same problem:
In my case the project runs with docker-compose using the image I resolved my issue adding the following to my experimental: {
esmExternals: false,
} |
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Same here sadly. @federico-moretti that fix didnt work for me. I run a simular setup with it being |
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We had that same issue while deploying in docker on RHEL 7.9 This is part of our original package.json "scripts": { We tried changing the max-old-space size to 12192 but it didnt help, we raised it some more to 16192 and it started working again. "scripts": { |
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Hello, I'm having this issue right now. And I've tried every possible solution I had came across but nothing works for me up till now, I still keep getting the error. <--- Last few GCs ---> [5224:0000024358272890] 384386 ms: Mark-sweep (reduce) 1999.2 (2034.5) -> 1998.2 (2034.5) MB, 10434.1 / 0.0 ms (average mu = 0.114, current mu = 0.006) allocation failure scavenge might not succeed <--- JS stacktrace ---> FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory |
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Please anyone here knows the solution to the above problem, kindly help me out as I had been on this since four days ago |
1 similar comment
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Please anyone here knows the solution to the above problem, kindly help me out as I had been on this since four days ago |
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@Tosinkoa are you on a VM, local or container? |
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I'm still learning @killswitch-GUI can you please explain it? |
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Thanks to @federico-moretti setting |
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Thanks so much @pmbanugo When I couldn't solve the bug I had to use hard reset using git. |
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I just upgraded to 12.0.8 hoping this was solved but I am still having the Running:
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the application now compiles if adding the we also use external packages from our monorepo via |
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I am also observing same issue with |
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Hey, so far we've spent over 10 hours trying to reproduce this and we can't find a problem with Next.js as-is. Please provide a reproduction so that we can continue investigating. A reproduction is a complete repository, sharing the heap allocation failed message unfortunately does not provide any useful data to further investigate. |
have you troubleshot this both with EDIT: I just tried again and got the same error, the application just doesn't compile without adding the I can't provide a repo to reproduce the error, but we use I am running locally Would be interesting to gather whether also previous reporter also make sure of |
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@timneutkens Just like with @floroz We had to disable ESM for it to work. We also use |
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@timneutkens After a bit of time, we did get our build stable again. As the OP said they tried to add memory but they couldn't get it to build. Our fix was to give our Argo K8S pod 4GB in a relatively small project to build and run in dev mode. As dumb as it sounds this may all be due to the large increase of resources required for Next 12 vs 11! I think it really is an OOM issue, as ours was getting oomkilled. Not saying there isn't a memory leak here tho. After the bump we have been stable on NesxtJS 12 with all features enabled. Edit: for clarity we previously ran our node at between 512-1GB |
With it enabled there is no memory leak, memory usage does not increase. It's likely something in As I've mentioned we'd be happy to investigate this further but it requires a full reproduction. If none is provided we can't spend more time on it at this point. |
Do you use |
We tackled that, the dev team was mounting in the nodejs modules when they used docker-compose or our K8S tilt dev environments. We had to exclude those from all of our docker builds + only mounting source code since NextJS 12 SWC (Is that true @programbo?) compiler in rust is architecture-dependent when built. Either way we never faced that on 11. make sure you have @pmbanugo not at the moment. |
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@timneutkens I have the same problem after upgrading from v11 to v12. Used memory on Mac goes up to 2.5GB before it bombs. Previously it was consuming < 1GB on v11. Happy to provide a full reproduction to you via private github. I'm using |
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I started to face this issue recently and I managed to pinpoint it to the Edge runtime. See #51298 |
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Having the same issue. My app does not have a front end but holds thousands of files (3Kb) that are being served given an api function. Tried both nextjs 12 and 13 |
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I got the same issue in Next.js 13.4.6. I didn't face such issues in Next.js 12! |
same, I downgraded back to the original version. |
Now, I fixed the issue, It happens when you use top level imports cause it imports many unnecessary modules for a single page. As a result, Next.js needs to load thousands of modules, especially when using Mui icons. simply paste it to the root level of the next.config.js file. |
This works for me. I'm running Next 12. Before this when do |
next@13.4.7I know it sounds simple, but I solved this problem by removing the .next folder and running the build again. All methods mentioned here did not work. Only worked for my case was when I removed the folder. |
Personally, I think only the influence of @mui/icons-material was discharged, right? |
May be, I have encountered this issue with @mui/icons-material so far. |
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I have the same problem. None of the solutions helped me. I deleted the @mui/icons-material library, also deleted the .next folder and node_modules, then npm install again. The error has not gone away. next 13.4.19, typescript 5.1.6 |
Still have the same problem now |
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My error seems related to SWC, i'm trying to Running the command |
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FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory Getting this after upgrading to Next 13.5 |
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Same situation here. It happens randomly after the update to 13.5. |
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Also started getting the error after 13.5 upgrade. Bumping heap size for build seemed to fix it |
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Just to be clear and help this thread. To suppress this error try |
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Circular dependencies are oftentimes the culprit of really bad dev server performances. With the dev dependency dpdm we can analyse how many of those circular dependencies are present in our project: scripts/detectCircularDependencies.ts import { parseDependencyTree, parseCircular, prettyCircular } from "dpdm"
/**
* Circular dependencies increase build times.
* Especially the dev server suffers from this, the ram usage spikes heavily.
*
* Heuristic: The longer these circular dependencies are, the more they impact the performance.
*/
if (require.main === module) {
void main()
}
async function main() {
const circulars = await determineCirculars()
circulars.sort((a, b) => b.length - a.length)
console.log(prettyCircular(circulars)) // pretty-print to console
console.log(
`Circulars are sorted by length. Longest circular dependency spans ${
circulars[0]?.length ?? "X"
} modules`
)
}
export async function determineCirculars(): Promise<string[][]> {
return new Promise((resolve) => {
void parseDependencyTree("./**/*.ts*", {
// by transforming all files to javascript we avoid detecting circular type dependencies, whhich dont hurt at runtime
transform: true,
exclude: /node_modules\/*/,
}).then((tree) => {
resolve(parseCircular(tree))
})
})
}package.json script Removing the 20 longest circular dependencies lead to a decrease from 14GB ram usage to 2GB ram usage in one project - since I have not analytically measured these values this should be taken with a grain of salt - still it shows how bad these are. |
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Having same issue on 13.5.4. Any idea how to solve this for the latest version? |
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Hi @LeonMueller-OneAndOnly, thanks for the suggestion. We will be trying this out. Do you mind sharing some insights about how bad your situation was? How many circular dependencies were there before? How many modules deep? etc. |
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Hello @dbrxnds , i sadly no have any exact values. But i give a round about: Present were at first 120 circular dependencies. Around 30 of them spanned more than 20 modules. The good thing was that pretty much all were caused by one big bad barrell file. Afterwards I were already able to start the dev server again. Since I had already written above script to easily find and track these bad circulars I continued to eliminate more circular dependencies, starting with the longest ones. I decreased them to now around 30 circulars. The dev server is now very snappy again, a huge increase in developer experience! Another benefit of this 2 hour excourse was that the average page bundle size decreased by 50%. |
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I am facing the same issue and its kinda severe for me. Currently i am on nextjs 13.5.4. Its a |
Can we do same for angular application? as i am getting same error during deployment through Jenkins |
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<--- JS stacktrace ---> FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory |
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Going to close this issue in favor of the more structured issue that explains what to do to help investigate the problem for your particular application: #54708 |
and others
What version of Next.js are you using?
12.0.7
What version of Node.js are you using?
16.6.2
What browser are you using?
Chrome / safari
What operating system are you using?
Mac os
How are you deploying your application?
other
Describe the Bug
We have a monorepo with nx wherein we are using next for ssr
We have been on next 11 and wanted to move to the next 12 with swc
On doing so and making the neccessary changes, our app crashes with
We have tried adding more memory but we feel that the issue lies elsewhere
Expected Behavior
Should work
To Reproduce
NEXT-841
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