SUPPORT-9023: move socket connection to listener; fix NPE; add retryable annotation

pom.xml

@@ -307,6 +307,16 @@
         <artifactId>hibernate-validator</artifactId>
         <version>9.0.0.CR1</version>
       </dependency>
+      <dependency>
+        <groupId>org.springframework.retry</groupId>
+        <artifactId>spring-retry</artifactId>
+        <version>2.0.11</version>
+      </dependency>
+      <dependency>
+        <groupId>org.springframework</groupId>
+        <artifactId>spring-aspects</artifactId>
+        <version>6.2.5</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
   <repositories>