HikariPool-1 - Connection is not available, request timed out after 30000ms

java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30000ms.

spring:
	datasource:
		hikari:
		#最小連線數
		minimumIdle: 2
		#最大連線數
		maximumPoolSize: 10
		idleTimeout: 120000
		connectionTimeout: 300000
		leakDetectionThreshold: 300000

HikariConfig config = new HikariConfig();

config.setMaximumPoolSize(20);

config.setConnectionTimeout(300000);

config.setConnectionTimeout(120000);

config.setLeakDetectionThreshold(300000);