From a61120603c18d4afa3953627bd5767a2d37f0cf0 Mon Sep 17 00:00:00 2001
From: liuxiaocs7 <liuxiao2103@qq.com>
Date: Tue, 10 Feb 2026 22:42:14 +0800
Subject: [PATCH] HBASE-29886 list_namespace will throw instance vars on
 non-persistent Java type warning

---
 hbase-shell/src/main/ruby/hbase/admin.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hbase-shell/src/main/ruby/hbase/admin.rb b/hbase-shell/src/main/ruby/hbase/admin.rb
index 2b1d29e7849e..8827db0daefc 100644
--- a/hbase-shell/src/main/ruby/hbase/admin.rb
+++ b/hbase-shell/src/main/ruby/hbase/admin.rb
@@ -1484,7 +1484,7 @@ def describe_namespace(namespace_name)
     def list_namespace(regex = '.*')
       pattern = java.util.regex.Pattern.compile(regex)
       list = @admin.listNamespaces
-      list.select { |s| pattern.match(s) }
+      list.select { |s| pattern.matcher(s).matches }
     end
 
     #----------------------------------------------------------------------------------------------