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Docker Elasticsearch Curl (52) Empty Reply From Server | Fixed

by | Aug 13, 2023

Read the article to know how to fix curl (52) empty reply from the server in Docker or Elasticsearch. Bobcares, as a part of our Docker Hosting Support Service offers solutions to every query that comes our way.

How to fix curl (52) empty reply from a server in Docker or Elasticsearch?

When using the curl command to send a request to a server but receiving no response in return, the error message “curl (52) empty reply from server” frequently happens. This problem can occur when working with Elasticsearch, Docker containers, or any other web service.

docker elasticsearch curl (52) empty reply from server

Some of the possible causes for the error include:

1. Having trouble connecting to the network is the most frequent cause of this error. The curl request will not be successful in getting a response if the server is not reachable or if there is a network configuration issue.

2. We may see this problem if the service (Elasticsearch) isn’t operating or isn’t set up correctly inside the Docker container. Check to see if the service is functioning properly.

3. We must make sure that the port is properly exposed and mapped to the host system if the service running within the Docker container is listening on a certain port. If not, the service could not be receiving the curl request.

4. Firewalls blocking the communication between the curl request and the server.

5. The health of the Docker container and resource limitations can affect how well it can react to queries.

Steps to fix the issue

1. Verify the Docker container running Elasticsearch’s status.

2. Check to see if we are sending the curl request to the appropriate port.

3. Make sure the container’s Elasticsearch service is configured correctly and is active.

4. Look for any firewalls, proxies, or other network-related problems that might be preventing the request.

5. Check the logs of the Docker container for any problems or clues to the issue.

6. If the problem only occurs with external access, test the curl request from inside the Docker container.

7. Keep in mind that troubleshooting might be difficult and that finding and fixing the root cause may necessitate taking a methodical approach.

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Conclusion

The article explains the various causes of the curl (52) empty reply from a server that may occur in Docker or Elasticsearch.

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