'Error reading from remote server' when trying to create an XML backup in Confluence
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Note that this knowledge base article was created for the Data Center version of the product. Data Center knowledge base articles for non-Data Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Problem
The following appears in web browsers:
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /admin/dobackup.action.
Reason: Error reading from remote server
Diagnosis
Confluence is running behind Apache with Mod_Proxy configuration.
Cause
- The proxy server received an invalid request from Tomcat utilized by Confluence.
- The web application did not respond in time and the request from Apache timed out.
Resolution
Increase proxy timeout in Apache mod_proxy.