[logging-log4j2] 01/01: Remove unused cache

[pk...@apache.org]

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pkarwasz pushed a commit to branch release-2.x
in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git

commit f37d79522a03a658c0a6d4e124439294c86abade
Author: Piotr P. Karwasz <pi...@karwasz.org>
AuthorDate: Tue Feb 7 18:55:57 2023 +0100

    Remove unused cache
---
 .../main/java/org/apache/logging/log4j/util/PropertiesUtil.java   | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/log4j-api/src/main/java/org/apache/logging/log4j/util/PropertiesUtil.java b/log4j-api/src/main/java/org/apache/logging/log4j/util/PropertiesUtil.java
index ec28006035..dcfa227f11 100644
--- a/log4j-api/src/main/java/org/apache/logging/log4j/util/PropertiesUtil.java
+++ b/log4j-api/src/main/java/org/apache/logging/log4j/util/PropertiesUtil.java
@@ -445,14 +445,9 @@ public final class PropertiesUtil {
 
         private final Set<PropertySource> sources = new ConcurrentSkipListSet<>(new PropertySource.Comparator());
         /**
-         * Maps a key to its value in the lowest priority source that contains it.
+         * Maps a key to its value or the value of its normalization in the lowest priority source that contains it.
          */
         private final Map<String, String> literal = new ConcurrentHashMap<>();
-        /**
-         * Maps a key to the value associated to its normalization in the lowest
-         * priority source that contains it.
-         */
-        private final Map<String, String> normalized = new ConcurrentHashMap<>();
         private final Map<List<CharSequence>, String> tokenized = new ConcurrentHashMap<>();
 
         private Environment(final PropertySource propertySource) {
@@ -484,7 +479,6 @@ public final class PropertiesUtil {
 
         private synchronized void reload() {
             literal.clear();
-            normalized.clear();
             tokenized.clear();
             // 1. Collects all property keys from enumerable sources.
             final Set<String> keys = new HashSet<>();