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User code thrown exception: com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: FATAL: sorry, too many clients already
java.lang.RuntimeException: User code thrown exception: com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: FATAL: sorry, too many clients already	at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:516)	at com.zaxxer.hikari.pool.HikariPool.(HikariPool.java:118)	at com.zaxxer.hikari.HikariDataSource.(HikariDataSource.java:71)	at com.kloan.JavaSQLApplication.getDataSource(JavaSQLApplication.java:49)	at com.kloan.JavaSQLApplication.init(JavaSQLApplication.java:59)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)