From 64e19ad7e98d9ede10116c6aa4ab4bd6e5b763a2 Mon Sep 17 00:00:00 2001
From: Masatoshi SEKI <m_seki@mva.biglobe.ne.jp>
Date: Sat, 15 Jan 2022 00:58:21 +0900
Subject: [PATCH] to prevent collection, keep the last result.

---
 lib/drb/drb.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/drb/drb.rb b/lib/drb/drb.rb
index 34970698bd..2219f5eb4d 100644
--- a/lib/drb/drb.rb
+++ b/lib/drb/drb.rb
@@ -1721,6 +1721,7 @@ module DRb
           client_uri = client.uri
           @exported_uri << client_uri unless @exported_uri.include?(client_uri)
         end
+        last_invoke_method = nil
         loop do
           begin
             succ = false
@@ -1733,6 +1734,7 @@ module DRb
           rescue Exception => e
             error_print(e) if verbose
           ensure
+            last_invoke_method = invoke_method
             client.close unless succ
             if Thread.current['DRb']['stop_service']
               shutdown