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rgoers pushed a commit to branch LoggerContextProperties
in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git

commit 06018e8dfb08c296a8651906bdac5ee454b61f13
Author: Michael Ernst <[email protected]>
AuthorDate: Tue Apr 11 01:36:54 2023 -0700

    Fix nullability docs in `StrSubstitutor` (#1422)
---
 .../java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git 
a/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
 
b/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
index 6802123ba4..2f2e8436e4 100644
--- 
a/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
+++ 
b/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
@@ -1235,13 +1235,13 @@ public class StrSubstitutor implements 
ConfigurationAware {
      * allowing advanced prefix matches.
      * </p>
      *
-     * @param prefixMatcher  the prefix matcher to use, null ignored
+     * @param prefixMatcher  the prefix matcher to use, must not be null
      * @return this, to enable chaining
      * @throws IllegalArgumentException if the prefix matcher is null
      */
     public StrSubstitutor setVariablePrefixMatcher(final StrMatcher 
prefixMatcher) {
         if (prefixMatcher == null) {
-            throw new IllegalArgumentException("Variable prefix matcher must 
not be null!");
+            throw new IllegalArgumentException("Parameter prefixMatcher must 
not be null!");
         }
         this.prefixMatcher = prefixMatcher;
         return this;
@@ -1304,13 +1304,13 @@ public class StrSubstitutor implements 
ConfigurationAware {
      * allowing advanced suffix matches.
      * </p>
      *
-     * @param suffixMatcher  the suffix matcher to use, null ignored
+     * @param suffixMatcher  the suffix matcher to use, must not be null
      * @return this, to enable chaining
      * @throws IllegalArgumentException if the suffix matcher is null
      */
     public StrSubstitutor setVariableSuffixMatcher(final StrMatcher 
suffixMatcher) {
         if (suffixMatcher == null) {
-            throw new IllegalArgumentException("Variable suffix matcher must 
not be null!");
+            throw new IllegalArgumentException("Parameter suffixMatcher must 
not be null!");
         }
         this.suffixMatcher = suffixMatcher;
         return this;

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