[tomcat] branch 10.0.x updated: Refactor to avoid use of Hashtable. No functional change.

[markt]

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch 10.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/10.0.x by this push:
     new f71464a3e3 Refactor to avoid use of Hashtable. No functional change.
f71464a3e3 is described below

commit f71464a3e35b596be28d2dbf9914d833b223e41d
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Sep 15 15:48:18 2022 +0100

    Refactor to avoid use of Hashtable. No functional change.
---
 java/org/apache/catalina/valves/rewrite/RewriteValve.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/java/org/apache/catalina/valves/rewrite/RewriteValve.java 
b/java/org/apache/catalina/valves/rewrite/RewriteValve.java
index 07f718df26..b26e1bdbd7 100644
--- a/java/org/apache/catalina/valves/rewrite/RewriteValve.java
+++ b/java/org/apache/catalina/valves/rewrite/RewriteValve.java
@@ -24,10 +24,10 @@ import java.io.StringReader;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
-import java.util.Hashtable;
 import java.util.List;
 import java.util.Map;
 import java.util.StringTokenizer;
+import java.util.concurrent.ConcurrentHashMap;
 
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.Cookie;
@@ -102,7 +102,7 @@ public class RewriteValve extends ValveBase {
     /**
      * Maps to be used by the rules.
      */
-    protected Map<String, RewriteMap> maps = new Hashtable<>();
+    protected Map<String, RewriteMap> maps = new ConcurrentHashMap<>();
 
 
     /**


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