Questions tagged [concurrency]

Questions related to concurrent transactions

Filter by
Sorted by
Tagged with
2
votes
1answer
48 views

Library enforcing one person at a time for reading (block concurrent read)

In order to be compliant with a digital document licensing model - no concurrent access, which requires that a given (read-only) digital document is blocked even for reading while it is open by ...
1
vote
1answer
1k views

Sharepoint 365 the file has been modified [...]

I have a simple document content type that has some fields. I have also attached a simple approval workflow to this content type. The workflow automatically start when a new item is created on the ...
4
votes
0answers
460 views

Handling concurrency in SharePoint Client Object Model

I'm currently working on an enterprise portal built completely using provider hosted apps, ECMA CSOM and .NET client object model. We are almost at the end of our development phase and we started ...
0
votes
1answer
1k views

SharePoint 2013 Javascript REST API related: Saving Conflict. code=-2130575305, Microsoft.SharePoint.SPException

I have a function which updates list items. I use fiddler 2 for tracking the traffic. When I stress test the function I get code=-2130575305, Microsoft.SharePoint.SPException error, and the error ...
1
vote
1answer
701 views

Would applying a lock help to prevent a Save Conflict Error when simultaneously updating a list item?

I have a scenario where users may update a list item at the same time and this causes a Save Conflict error. I could catch the exception and reload the list item as suggested in http://adrianhenke....
0
votes
2answers
686 views

Concurrency and SharePoint - Sequence Number Generation

I have a dev question related to concurrency. Here's the problem: I need to generate a sequential reference number for each document uploaded to a specific document library. The numbers basicaly look ...
1
vote
0answers
68 views

What is SPXmlDocCache & SPXmlDocCacheRefreshSentinel

I am getting UpdatedConcurrencyException: The object SPXmlDocCacheRefreshSentinel was updated by another user. in ULS during a web application scoped feature uninstall (as part of a solution uninstall)...
1
vote
1answer
1k views

How many users can login on an extranet concurrently using the same username and password?

I got asked an interesting question regarding the a number of users using a generic login to sign in at the same time across different machines. Is there a particular number that Microsoft recommends ...
1
vote
3answers
5k views

Best Practice for Shopping-Cart like functionality in SharePoint

I need to build a Price Quote system on SharePoint, where people can go in to an existing website and instead of adding items to a cart (this company doesn't sell direct) they can add items to a quote,...
5
votes
2answers
19k views

How to find the number of Active Logged in Users across all site collections

I wish to know the possible ways to find out the count of all currently logged in users across all the SharePoint site collections in a farm. For example (users logged into sites) John - http://...
3
votes
2answers
2k views

How do I handle concurrency problems related to event receivers?

This is a problem that seems to pop up all the time, so I'm wondering if there is an authoritative answer somewhere. I'm using an event receiver (specifically, the ItemUpdated receiverthrough the "...