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No operations allowed after connection closed.
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No operations allowed after connection closed.
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No operations allowed after connection closed.
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No 
operations allowed after connection closed.	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)	at com.mysql.jdbc.Util.getInstance(Util.java:387)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)	at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235)	at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230)	at com.mysql.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:5558)	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:464)	at com.zaxxer.hikari.pool.PoolBase.quietlyCloseConnection(PoolBase.java:112)	at com.zaxxer.hikari.pool.HikariPool$1.run(HikariPool.java:423)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)