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https://issues.apache.org/jira/browse/NIFI-12762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17887685#comment-17887685
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ASF subversion and git services commented on NIFI-12762:
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Commit 4ecd743693afe56197c48b0772aaedb91b515f4c in nifi's branch
refs/heads/main from Michael W Moser
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=4ecd743693 ]
NIFI-12762 Added Request Header Size to ListenHTTP and HandleHttpRequest
This closes #9304
Signed-off-by: David Handermann <[email protected]>
> ListenHTTP request headers limited to 8192 bytes
> ------------------------------------------------
>
> Key: NIFI-12762
> URL: https://issues.apache.org/jira/browse/NIFI-12762
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Michael W Moser
> Assignee: Michael W Moser
> Priority: Minor
> Attachments: Screenshot from 2024-07-12 19-52-19-1.png
>
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> ListenHTTP will parse HTTP request headers if the property "HTTP Headers to
> receive as Attributes" is set. An HTTP client can sent request headers that
> are larger than the default allowed 8192 bytes, and we get the log message
> {noformat}
> 2024-02-08 20:22:16,548 WARN [ListenHTTP
> (8a290f74-018d-1000-a9d2-c06fdb10e3f3) Web Server-188]
> org.eclipse.jetty.http.HttpParser Header is too large 8193>8192{noformat}
> and ListenHTTP responds with HTTP ERROR 431 Request Header Fields Too Large
> The NiFi UI and REST API sets the max header size to 16384 and it is
> configurable in nifi.properties "nifi.web.max.header.size", in the file
> FrameworkServerConnectorFactory.java.
> We should probably allow ListenHTTP to use the same max header size setting.
> Should we also look into this for HandleHttpRequest?
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