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404s from /cluster-ddp #23
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if you are getting this for every one hour like. That's possible. How are you using ELB with cluster. I think ELB does load balancing. If you need to SSL support, check Meteor Up. |
Thanks @arunoda here's why I choose to use ELB:
The I might do some more testing later and decide to remove ELB (and add websockets and SSL termination on the app servers) but for now I think I'll stick to ELB. |
Yes. I can agree on your approach on selecting ELB. May be we could find a On Mon, Mar 2, 2015 at 1:11 PM Ran Tavory [email protected] wrote:
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not sure I entirely understand the implementation of cookie expiration, but perhaps a |
Actually, it's not like that. So, the existing sockjs connection(via long polling) tries to connect to that. Then that server do a 404 since it's doesn't know about that. That's where the issue comes in. |
Lately I've also started seeing Example:
Here it is again (the 500) with a little more context before/after: (it's in line 10)
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I hope this is the same context. I will make a fix for this with the next
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This is what I see on the app server logs when the
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That means somehow socket connection goes down. But if you see this a lot of time in the log, we may need to look at it. On Wed, Mar 4, 2015 at 6:19 PM Ran Tavory [email protected] wrote:
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So far I've seen around 3-4 500s today. |
Okay. May be that's happening when you are deploying. On Wed, Mar 4, 2015 at 6:29 PM Ran Tavory [email protected] wrote:
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it doesn't happen when deploying, sorry (I guess it might also happen when deploying but not at the times I spotted it). |
Check now. I've fixed some related issues. |
I am sorry, I don't think it fixed it, I still see a large number of Here's just a snippet in case it helps (search for the 404s there)
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Hi all We got same problem It seems that :
We did rebuid all apps with exactly the same git commit , and no more 404 ! So this problem must not appear with automatic deployments... |
Hi, I'm using meteor-cluster in the following scenario:
Most of the time things work well, but since I have an alert on ELB looking for 4xx I noticed that every once in awhile the calls to POST /cluster-ddp are 404ing
Here's just one screenshot of the 404s on my ELB.
http://cl.ly/image/17083P0j2x07
And I recorded the access logs, so here's an example request that 404s
Most of the /cluster-ddp calls end with 200 (or 204), but occasionally they 404.
Here are just a few examples or 2xx lines:
As far as I can tell, this does not interfere in the sense that users are bothered by it, but it does make monitoring really hard (b/c it's hard to say what's a real error and that's just 404 from /cluster-ddp).
I wonder if you had seen this before or could guide me towards a solution?
Thanks!
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