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Posted to dev@tomcat.apache.org by li...@apache.org on 2022/10/21 09:49:58 UTC
[tomcat] branch 9.0.x updated: Note that maxHttpHeaderSize always allocates the max size
This is an automated email from the ASF dual-hosted git repository.
lihan pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/9.0.x by this push:
new 70d776a391 Note that maxHttpHeaderSize always allocates the max size
70d776a391 is described below
commit 70d776a39105f6a8fcd0c14f376472c155bbe001
Author: Jordan Christiansen <jo...@target.com>
AuthorDate: Wed Oct 12 14:08:40 2022 -0500
Note that maxHttpHeaderSize always allocates the max size
---
webapps/docs/config/http.xml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/webapps/docs/config/http.xml b/webapps/docs/config/http.xml
index 8f5501044d..019e859796 100644
--- a/webapps/docs/config/http.xml
+++ b/webapps/docs/config/http.xml
@@ -531,6 +531,11 @@
the request line, header names and header values. If not specified, this
attribute is set to the value of the <code>maxHttpHeaderSize</code>
attribute.</p>
+ <p>If you see "Request header is too large" errors you can increase this,
+ but be aware that Tomcat will allocate the full amount you specify for
+ every request. For example, if you specify a maxHttpRequestHeaderSize of
+ 1 MB and your application handles 100 concurrent requests, you will see
+ 100 MB of heap consumed by request headers.</p>
</attribute>
<attribute name="maxHttpResponseHeaderSize" required="false">
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