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java.sql.SQLException: Already closed.	at org.apache.commons.dbcp.PoolableConnection.close(PoolableConnection.java:84)	at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close(PoolingDataSource.java:181)	at org.quartz.impl.jdbcjobstore.JobStoreSupport.closeConnection(JobStoreSupport.java:3563)	at org.quartz.impl.jdbcjobstore.JobStoreSupport.cleanupConnection(JobStoreSupport.java:3539)	at org.quartz.impl.jdbcjobstore.JobStoreSupport.executeInNonManagedTXLock(JobStoreSupport.java:3761)	at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTrigger(JobStoreSupport.java:2720)	at org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:266)