SpringBoot não finaliza conexão com activeMQ

Estou com um problema de conexão em meu microsserviço com o ActiveMQ. Quando eu faço um teste com várias requisições, muitas conexões são abertas, no entanto não conseguem ser fechadas para dar espaço a novas.

Isso resulta em N conexões sem uso ao longo do tempo, prejudicando a performance e estabilidade da API. Segue factory de conexão com o ActiveMQ:

@Configuration
@EnableJms
@EnableAsync
public class FactoryActivyMqConfig {

    @Value("${spring.activemq.broker-url}")
    private String brokerUrl;

    @Value("${spring.activemq.user}")
    private String brokerUsername;

    @Value("${spring.activemq.password}")
    private String brokerPassword;

    @Value("${application.thread.corePoolSize}")
    private Integer corePoolSize;

    @Value("${application.thread.maxPoolSize}")
    private Integer maxPoolSize;

    @Value("${application.thread.queueCapacity}")
    private Integer queueCapacity;

    @Value("{spring.application.name}")
    private String applicationName;

    private static final Logger LOGGER = LoggerFactory.getLogger(FactoryActivyMqConfig.class);

    public ActiveMQConnectionFactory connectionFactory() {
        ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(brokerUsername, brokerPassword, brokerUrl);
        Properties props = new Properties();
        props.put("FifoQueue", "true");
        connectionFactory.setProperties(props);
        return connectionFactory;
    }

    @Bean
    public CachingConnectionFactory cachingConnectionFactory() {
        CachingConnectionFactory cachingConnectionFactory = new CachingConnectionFactory(connectionFactory());
        return cachingConnectionFactory;
    }

    @Bean
    public DefaultJmsListenerContainerFactory jmsListenerContainerFactory() {
        DefaultJmsListenerContainerFactory factory = new DefaultJmsListenerContainerFactory();
        factory.setConnectionFactory(connectionFactory());
        return factory;
    }

    @Bean
    public JmsTemplate jmsTemplate() {
        JmsTemplate jmsTemplate = new JmsTemplate(connectionFactory());
        return jmsTemplate;
    }

    @Bean(name = "taskExecutor")
    public Executor taskExecutor() {
        LOGGER.debug("Cria executor assincrono");
        final ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("BoletoThread-");
        executor.initialize();
        return executor;
    }
}

Multhread ActiveMQ no aplication.properties:

spring.activemq.pool.enabled=${ENV_AMQ_POOL_ENABLED:true}
spring.activemq.pool.max-connections=${ENV_AMQ_POOL_MAXCONNECTION:100}
spring.activemq.pool.reconnect-on-exception=${ENV_AMQ_POOL_RECONNECT:true}

Aparentemente, local funciona, no entanto quando sobe no ambiente do cliente, o problema surge.

Abre e feche a conexão sob seu controle e demanda.

static void closeConnection(Session session, ActiveMQConnection connection) {
        session.close();
        connection.close();
    }
}