From 6cd9b28d9cf17a5d951b28b096634f2d7171fa3b Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Fri, 27 Mar 2020 11:28:27 +0300
Subject: [PATCH] Fixed - JsonJacksonCodec unable to serialize removed
 attributes of Tomcat Session. #2654

---
 .../src/main/java/org/redisson/tomcat/RedissonSession.java      | 2 +-
 .../src/main/java/org/redisson/tomcat/RedissonSession.java      | 2 +-
 .../src/main/java/org/redisson/tomcat/RedissonSession.java      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSession.java b/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSession.java
index f66bc0a04..fc097ac0b 100644
--- a/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSession.java
+++ b/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSession.java
@@ -344,7 +344,7 @@ public class RedissonSession extends StandardSession {
             
             if (updateMode == UpdateMode.AFTER_REQUEST) {
                 if (!removedAttributes.isEmpty()) {
-                    topic.publish(new AttributeRemoveMessage(redissonManager.getNodeId(), getId(), removedAttributes));
+                    topic.publish(new AttributeRemoveMessage(redissonManager.getNodeId(), getId(), new HashSet<>(removedAttributes)));
                 }
             }
         }
diff --git a/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSession.java b/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSession.java
index f66bc0a04..fc097ac0b 100644
--- a/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSession.java
+++ b/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSession.java
@@ -344,7 +344,7 @@ public class RedissonSession extends StandardSession {
             
             if (updateMode == UpdateMode.AFTER_REQUEST) {
                 if (!removedAttributes.isEmpty()) {
-                    topic.publish(new AttributeRemoveMessage(redissonManager.getNodeId(), getId(), removedAttributes));
+                    topic.publish(new AttributeRemoveMessage(redissonManager.getNodeId(), getId(), new HashSet<>(removedAttributes)));
                 }
             }
         }
diff --git a/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSession.java b/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSession.java
index ce37167ed..aa0df098b 100644
--- a/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSession.java
+++ b/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSession.java
@@ -350,7 +350,7 @@ public class RedissonSession extends StandardSession {
             
             if (updateMode == UpdateMode.AFTER_REQUEST) {
                 if (!removedAttributes.isEmpty()) {
-                    topic.publish(new AttributeRemoveMessage(redissonManager.getNodeId(), getId(), removedAttributes));
+                    topic.publish(new AttributeRemoveMessage(redissonManager.getNodeId(), getId(), new HashSet<>(removedAttributes)));
                 }
             }
         }