Proxy error displayed in web browser when doing some Jira operations

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Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.

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

Symptoms

The following appears in web browsers:

Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request POST /jira/secure/admin/xxxxxxxx.jspa.
Reason: Error reading from remote server

Diagnosis

JIRA is running behind Apache with Mod_Proxy configuration.

Cause

  • Proxy Server receives an invalid request from JIRA Tomcat.
  • The web application did not respond in time and the request from Apache timed out.

Resolution

For example, you can use port 8081 or add a new port to the server.xml for this experiment: 

<Connector port="8081" relaxedPathChars="[]|" relaxedQueryChars="[]|{}^\`"<>"
maxThreads="50" minSpareThreads="5" connectionTimeout="20000" enableLookups="false"
maxHttpHeaderSize="8192" protocol="HTTP/1.1" useBodyEncodingForURI="true" redirectPort="8443"
acceptCount="100" disableUploadTimeout="true" bindOnInit="false"/>




Description

When attempting to access JIRA the following appears in web browsers:
Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request POST /jira/secure/admin/xxxxxxxx.jspa.
Reason: Error reading from remote server.

ProductJira
PlatformServer
Last modified on Mar 9, 2023

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