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AssertionError crash at ServerResponse.resOnFinish #2639
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Did you try with other versions, like io.js 2.5.0?
We see the same error with Node 4.0 on our RHEL 6 machines. We haven't seen this issue with io.js 2.5.0.
This seems to be related to #1411. @indutny Any idea what's happening here?
Stacktrace:
AssertionError: false == true at ServerResponse.detachSocket (_http_server.js:144:3) at ServerResponse.resOnFinish (_http_server.js:483:11) at emitNone (events.js:67:13) at ServerResponse.emit (events.js:166:7) at finish (_http_outgoing.js:526:10) at doNTCallback0 (node.js:407:9) at process._tickDomainCallback (node.js:377:13)I'm running into the same issue with node 4.1.0 using just Express. Looks like socket.io folks are seeing this too: socketio/socket.io#2236 😭 Definitely not RAM: 16 GB here.
I may have fixed it with an
npm updateto pull in updated dependencies (instead of just using whatever version was saved when I didnpm install X --savewho-knows-when).61 remaining items
yeah of course, we can, as I wrote this is only fix, I didn't want to make bigger changes that I think should be done here... I don't know anything about your guidelines and so on, I was just unhappy of node falling down every few minutes and it was a good reason to look a bit under the cover...:)
@indutny @mareksrom sorry I'm a little unclear on the status of your patches—should we be testing them, or are they both in flux? Apologies for being dense…
I ask because @arthurschreiber seems to have experienced assertion failure with @indutny's patch.
I believe @mareksrom's patch is in the closest state to being merged; either way we'll have a release out this week with a fix in it as it seems like the cause has been fully diagnosed now.
🎉 so happy! Thanks everyone 🍻
Please upgrade to v4.1.2 and confirm that this problem has been resolved.
Hi, i started noticing problem, searched for info, found this issue, updated to 4.1.2 and now the problem is gone. Thanks!
It used to crash often while developing on Windows (http-server with a lot of static requests), looks stable now, thanks.
Thanks
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on Oct 21, 2015 thx!
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on Jun 3, 2025 - added a commit that references this issue
on Jul 27, 2026
Running io.js 3.2 installed from source on a centOS 7 machine, here are the logs:
http://pastebin.com/ix0Ke5zS