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Error handling on ee9 / ee8 with HTTP/1.0 can result in an empty Connection: response header. #12104

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joakime opened this issue Jul 29, 2024 · 0 comments · Fixed by #12127
Closed

Error handling on ee9 / ee8 with HTTP/1.0 can result in an empty Connection: response header. #12104

joakime opened this issue Jul 29, 2024 · 0 comments · Fixed by #12127
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@joakime
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Bug For general bugs on Jetty side

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@joakime
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joakime commented Jul 29, 2024

Jetty version(s)
12.0.11 (possibly older)

Jetty Environment
ee9 / ee8

Java version/vendor (use: java -version)
Any

OS type/version
Any

Description
If an error response is produced in ee9 / ee8 from an HTTP/1.0 request then the resulting Connection: header can be empty/blank.

Example request: This is a POST request to an endpoint that doesn't exist (expected to return 404), and it doesn't send all of the request content.

POST / HTTP/1.0
Host: Localhost
Accept: text/html
Content-Length: 100
Connection: keep-alive

0123456789

The response seen:

HTTP/1.1 404 Not Found
Server: Jetty(12.0.12-SNAPSHOT)
Date: Mon, 29 Jul 2024 21:13:39 GMT
Cache-Control: must-revalidate,no-cache,no-store
Content-Type: text/html;charset=ISO-8859-1
Connection: 
Content-Length: 437

<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
<title>Error 404 Not Found</title>
</head>
<body><h2>HTTP ERROR 404 Not Found</h2>
<table>
<tr><th>URI:</th><td>/</td></tr>
<tr><th>STATUS:</th><td>404</td></tr>
<tr><th>MESSAGE:</th><td>Not Found</td></tr>
<tr><th>SERVLET:</th><td>-</td></tr>
</table>
<hr/><a href="https://jetty.org/">Powered by Jetty:// 12.0.12-SNAPSHOT</a><hr/>

</body>

Notice the missing Connection response header value.
@joakime joakime added the Bug For general bugs on Jetty side label Jul 29, 2024
@joakime joakime self-assigned this Jul 29, 2024
joakime added a commit that referenced this issue Jul 29, 2024
@joakime
Fixes #12104 - Enable ee9 ErrorHandlerTest again
88b145d 
+ Fix empty `Connection:` response
  header issue seen on HTTP/1.0
@joakime joakime mentioned this issue Jul 29, 2024
Closed
joakime added a commit that referenced this issue Aug 1, 2024
@joakime
Issue #12104 - tests for null connection response header.
11e8faf
gregw added a commit that referenced this issue Aug 2, 2024
@gregw
Fix #12104 Empty Connection Header
385d943 
Fix #12104 by better handling of `close` and `keep-alive` values in the HttpGenerator, so that we never add an empty field.
@gregw gregw mentioned this issue Aug 2, 2024
Merged
gregw added a commit that referenced this issue Aug 2, 2024
@gregw
Fix #12128 Combined ClassLoader Resources
a4d5ee5 
Fix #12104 by returning a CombinedResource for a ClassLoader resource that has multiple directory matches.
@gregw gregw mentioned this issue Aug 2, 2024
Merged
@gregw gregw assigned gregw and unassigned gregw Aug 2, 2024
joakime added a commit that referenced this issue Aug 2, 2024
@joakime
Merge pull request #12127 from jetty/fix/jetty-12.0.x/12104/Connectio…
22a8685 
…nHeader

Fix #12104 Empty Connection Header
gregw added a commit that referenced this issue Aug 5, 2024
@gregw
Fix #12128 Combined ClassLoader Resources (#12130)
abab594 
Fix #12104 by returning a CombinedResource for a ClassLoader resource that has multiple directory matches.
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@joakime joakime

Labels
Bug For general bugs on Jetty side
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Jetty 12.0.13 - FROZEN
Status: ✅ Done
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2 participants
@gregw @joakime