diff --git a/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index 8dfee2d22..a8b4c533a 100644
--- a/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-6/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -181,12 +181,20 @@ public class RedissonSessionManager extends ManagerBase implements Lifecycle {
         Session result = super.findSession(id);
         if (result == null) {
             if (id != null) {
-                Map<String, Object> attrs = new HashMap<String, Object>();
+                Map<String, Object> attrs = null;
                 try {
-                    attrs = getMap(id).getAll(RedissonSession.ATTRS);
+                    RMap map = getMap(id);
+                    if (map.isExists()) {
+                        attrs = map.getAll(RedissonSession.ATTRS);
+                    }
                 } catch (Exception e) {
                     log.error("Can't read session object by id: " + id, e);
                 }
+
+                if (attrs == null) {	
+                    log.info("Session " + id + " can't be found");
+                    return null;	
+                }
                 
                 RedissonSession session = (RedissonSession) createEmptySession();
                 session.load(attrs);
diff --git a/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index 916ff692c..6de4fbd9e 100644
--- a/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-7/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -160,12 +160,20 @@ public class RedissonSessionManager extends ManagerBase {
         Session result = super.findSession(id);
         if (result == null) {
             if (id != null) {
-                Map<String, Object> attrs = new HashMap<String, Object>();
+                Map<String, Object> attrs = null;
                 try {
-                    attrs = getMap(id).getAll(RedissonSession.ATTRS);
+                    RMap map = getMap(id);
+                    if (map.isExists()) {
+                        attrs = map.getAll(RedissonSession.ATTRS);
+                    }
                 } catch (Exception e) {
                     log.error("Can't read session object by id: " + id, e);
                 }
+
+                if (attrs == null) {	
+                    log.info("Session " + id + " can't be found");
+                    return null;	
+                }
                 
                 RedissonSession session = (RedissonSession) createEmptySession();
                 session.load(attrs);
diff --git a/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index 45ef7ba49..9d9afc489 100644
--- a/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-8/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -159,13 +159,21 @@ public class RedissonSessionManager extends ManagerBase {
         Session result = super.findSession(id);
         if (result == null) {
             if (id != null) {
-                Map<String, Object> attrs = new HashMap<String, Object>();
+                Map<String, Object> attrs = null;
                 try {
-                    attrs = getMap(id).getAll(RedissonSession.ATTRS);
+                    RMap map = getMap(id);
+                    if (map.isExists()) {
+                        attrs = map.getAll(RedissonSession.ATTRS);
+                    }
                 } catch (Exception e) {
                     log.error("Can't read session object by id: " + id, e);
                 }
-                
+
+                if (attrs == null) {	
+                    log.info("Session " + id + " can't be found");
+                    return null;	
+                }
+
                 RedissonSession session = (RedissonSession) createEmptySession();
                 session.load(attrs);
                 session.setId(id);
diff --git a/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java b/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
index 45ef7ba49..a0001096f 100644
--- a/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
+++ b/redisson-tomcat/redisson-tomcat-9/src/main/java/org/redisson/tomcat/RedissonSessionManager.java
@@ -159,12 +159,20 @@ public class RedissonSessionManager extends ManagerBase {
         Session result = super.findSession(id);
         if (result == null) {
             if (id != null) {
-                Map<String, Object> attrs = new HashMap<String, Object>();
+                Map<String, Object> attrs = null;
                 try {
-                    attrs = getMap(id).getAll(RedissonSession.ATTRS);
+                    RMap map = getMap(id);
+                    if (map.isExists()) {
+                        attrs = map.getAll(RedissonSession.ATTRS);
+                    }
                 } catch (Exception e) {
                     log.error("Can't read session object by id: " + id, e);
                 }
+
+                if (attrs == null) {	
+                    log.info("Session " + id + " can't be found");
+                    return null;	
+                }
                 
                 RedissonSession session = (RedissonSession) createEmptySession();
                 session.load(attrs);