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For every $500 you spend, we will provide you with a $500 credit on your account*

BLACK FRIDAY SPECIAL

*The maximum is $4000 in credits, Offer valid till November 30th, 2024, New Customers Only, Credit will be applied after purchase and expires after six (6) months

Failed To Unlink Socket File 27017 Error MongoDB | Resolved

by | Nov 6, 2023

Let’s discuss more on the “Failed to Unlink Socket File 27017 Error in MongoDB” in this article. At Bobcares, with our Server Management Service, we can handle your MongoDB issues.

Fixing “Failed to Unlink Socket File 27017 Error” in MongoDB

When the MongoDB server is unable to delete or unlink the Unix domain socket file connected to the given port number (in this example, port 27017), the error “Failed to unlink socket file 27017” usually appears. Although there are several possible causes for this error, it often points to a problem with the server’s socket file management system.

Failed to unlink socket file 27017 error MongoDB

Some of the possible causes for the error include Permission Issues, Already Running MongoDB Process, File System or Disk Issues, Incorrect setup, Socket File Location Issues, etc. Let’s look into the solutions.

Troubleshooting Error

1. It’s possible that MongoDB lacks the authorization needed to create or remove the socket file. So, verify that the person operating the server has the correct access rights to the directory containing the socket file.

2. A process currently executing on port 27017 may be clinging to the socket file. Prior to initiating a new MongoDB process, we should also end the current one.

3. Socket file creation or deletion issues can also occur due to difficulties with the file system, disk space, or disk health. Verify that there is adequate disk space available. Also, verify that the file system is not overwritten or experiencing problems.

4. Check again the MongoDB setup file. Verify that the port and bindIp parameters are configured appropriately.

5. Also, make sure the port we’re using in the connection string is the right one if we’re attempting to connect to a MongoDB server on a different port.

6. Make sure the user we are attempting to run MongoDB has the appropriate rights to handle the socket files.

7. MongoDB stores its socket files under the /tmp location by default. So, make sure that the directory is accessible and the MongoDB process has the necessary rights to control files in it if the MongoDB settings specify a particular location for socket files.

8. Sometimes, even after the server has been stopped, a socket file from a prior MongoDB run may still be there. Make sure that no more socket files with the same port are present before restarting MongoDB, and delete them if needed.

9. In order to ensure a clean installation, we must think about reinstalling MongoDB if the problem still exists and we’ve tried every other solution. Before we do this, make sure to back up the data.

10. Socket file creation as well as deletion may be restricted by certain operating systems and their security settings.

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Conclusion

The article offers 10 troubleshooting tips from our Support team to fix the error, “Failed to Unlink Socket File 27017” in MongoDB.

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