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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:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:532)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)	at com.mysql.jdbc.Util.getInstance(Util.java:386)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)	at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1206)	at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1198)	at com.mysql.jdbc.ConnectionImpl.getMetaData(ConnectionImpl.java:3062)	at com.mysql.jdbc.ConnectionImpl.getMetaData(ConnectionImpl.java:3057)	at org.apache.commons.dbcp.DelegatingConnection.getMetaData(DelegatingConnection.java:345)	at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.getMetaData(PoolingDataSource.java:245)	at org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.SimpleSQLReportDataFactory.getBestResultSetType(SimpleSQLReportDataFactory.java:210)	at org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.SimpleSQLReportDataFactory.parametrizeAndQuery(SimpleSQLReportDataFactory.java:370)	at org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.SimpleSQLReportDataFactory.queryData(SimpleSQLReportDataFactory.java:254)	at org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.SQLReportDataFactory.queryData(SQLReportDataFactory.java:171)