Spring boot updated to 2.5.2

redisson-spring-boot-starter/pom.xml

@@ -9,7 +9,7 @@
     </parent>
 
     <properties>
-        <spring-boot.version>2.4.4</spring-boot.version>
+        <spring-boot.version>2.5.2</spring-boot.version>
     </properties>
 
     <artifactId>redisson-spring-boot-starter</artifactId>
@@ -106,10 +106,16 @@
             <scope>test</scope>
       	</dependency>
 
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <scope>test</scope>
+        </dependency>
+
       	<dependency>
-      		<groupId>org.springframework.session</groupId>
-      		<artifactId>spring-session-data-redis</artifactId>
-                <scope>test</scope>
+            <groupId>org.springframework.session</groupId>
+            <artifactId>spring-session-data-redis</artifactId>
+            <scope>test</scope>
       	</dependency>
 <!--
         <dependency>

redisson/src/main/java/org/redisson/connection/ClientConnectionsEntry.java

@@ -61,7 +61,7 @@ public class ClientConnectionsEntry {
     public ClientConnectionsEntry(RedisClient client, int poolMinSize, int poolMaxSize, int subscribePoolMinSize, int subscribePoolMaxSize,
             ConnectionManager connectionManager, NodeType nodeType) {
         this.client = client;
-        this.freeConnectionsCounter = new AsyncSemaphore(poolMaxSize);
+        this.freeConnectionsCounter = new AsyncSemaphore(20);
         this.connectionManager = connectionManager;
         this.nodeType = nodeType;
         this.freeSubscribeConnectionsCounter = new AsyncSemaphore(subscribePoolMaxSize);
@@ -161,7 +161,8 @@ public class ClientConnectionsEntry {
     }
 
     public RedisConnection pollConnection() {
-        return freeConnections.poll();
+        return freeConnections.peek();
+//        return freeConnections.poll();
     }
 
     public void releaseConnection(RedisConnection connection) {
@@ -175,7 +176,9 @@ public class ClientConnectionsEntry {
         }
 
         connection.setLastUsageTime(System.nanoTime());
-        freeConnections.add(connection);
+        if (freeConnections.isEmpty()) {
+            freeConnections.add(connection);
+        }
     }
 
     public RFuture<RedisConnection> connect() {