Getting HTTP Error Code 500 for All REST Requests
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs 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
Symptoms
All REST requests resulted in HTTP Error Code 500
JIRA is also affected
Using IIS 5.1 for both JIRA and Confluence standalone
The following appears in the HTTP capture:
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HTTP/1.1 500 Server Error
Server: Microsoft-IIS/5.1
Date: Thu, 18 Aug 2005 20:57:39 GMT
Connection: close
Content-Type: text/html
Content-Length: 87
<html><head><title>Error</title></head><body>The parameter is incorrect.
</body></html>
Cause
This is a known bug in Tomcat IIS Connector for IIS 5.1.
Resolution
Upgrade to IIS 6 or later.
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