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Internal server error when sharing folders
Hi, is there some kind of limitation with sharing folders? I'm trying to share 5.4k folders and I'm getting
PollError('internal_error', None))
consistently. Sometimes the files share, someti...
Thanks for the post, and apologies that the error message isn't more helpful in this case. For this `internal_error` case, I looked it up and I can confirm that it's actually due to "lock contention".
That's a result of how Dropbox works on the backend. It's a technical inability to make multiple modifications, such as sharing a folder, at the same time. The simultaneous activity could be coming from your app itself, or elsewhere, e.g., from the user's desktop client. It can come from the same user, or another member of a shared folder. You can find more information about lock contention here:
https://www.dropbox.com/developers/reference/data-ingress-guide
In short, to avoid this error, you should avoid making multiple concurrent state modifications. E.g., don't issue multiple such requests at a time, and use batch endpoints whenever possible. That won't guarantee that you won't run in to this error though, as contention can still come from other sources, so you may also want to implement automatic retries in your app. For this particular scenario of sharing multiple folders, I also recommend adding a delay between the consecutive share operations, which can help in certain cases.
I'll send this along as a request to the team to improve the error reporting.
Greg-DB
Dropbox Community Moderator
Dropbox Community ModeratorThanks for the post, and apologies that the error message isn't more helpful in this case. For this `internal_error` case, I looked it up and I can confirm that it's actually due to "lock contention".
That's a result of how Dropbox works on the backend. It's a technical inability to make multiple modifications, such as sharing a folder, at the same time. The simultaneous activity could be coming from your app itself, or elsewhere, e.g., from the user's desktop client. It can come from the same user, or another member of a shared folder. You can find more information about lock contention here:
https://www.dropbox.com/developers/reference/data-ingress-guide
In short, to avoid this error, you should avoid making multiple concurrent state modifications. E.g., don't issue multiple such requests at a time, and use batch endpoints whenever possible. That won't guarantee that you won't run in to this error though, as contention can still come from other sources, so you may also want to implement automatic retries in your app. For this particular scenario of sharing multiple folders, I also recommend adding a delay between the consecutive share operations, which can help in certain cases.
I'll send this along as a request to the team to improve the error reporting.
Thanks for the links.
This makes sense since I was trying to share thousands of folders. However, I avoided multi-threading and no one else is using this folder since it's a test folder.
It seems that namespace locking is the culprit since all of the folders are in the same name space and I'm using force_asyn=True leaving when the folder actually gets shared up to dropbox.
I know that there are batch endpoints for uploading data, but are there batch endpoints for sharing folders?
- Greg-DB
No, unfortunatelty there isn't a batch option for sharing folders in particular, but I'll pass this along as a feature request. I can't promise if or when that might be implemented though.
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