From 4dca32c6a3fbcd5dc079e231a4a3f10dd90f4111 Mon Sep 17 00:00:00 2001
From: Greg Wilkins <gregw@webtide.com>
Date: Mon, 5 Jul 2021 16:22:22 +1000
Subject: [PATCH] Fix #6493 header cache memory usage

Delay creating a header cache until a second request on a parser.

Signed-off-by: Greg Wilkins <gregw@webtide.com>
---
 jetty-http/src/main/java/org/eclipse/jetty/http/HttpParser.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/jetty-http/src/main/java/org/eclipse/jetty/http/HttpParser.java b/jetty-http/src/main/java/org/eclipse/jetty/http/HttpParser.java
index 51d8b19770cb..41c7117a460d 100644
--- a/jetty-http/src/main/java/org/eclipse/jetty/http/HttpParser.java
+++ b/jetty-http/src/main/java/org/eclipse/jetty/http/HttpParser.java
@@ -1935,6 +1935,7 @@ protected void setState(FieldState state)
 
     public Index<HttpField> getFieldCache()
     {
+        checkHeaderCache();
         return _fieldCache;
     }