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Unable to acquire JDBC Connection at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:1700) at org.hibernate.jpa.internal.TransactionImpl.begin(TransactionImpl.java:48)
org.hibernate.exception.GenericJDBCException: Unable to acquire JDBC 
 Connection
     at 
 org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692)
     at 
 org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602)
     at 
 org.hibernate.jpa.spi.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:1700)
     at 
 org.hibernate.jpa.internal.TransactionImpl.begin(TransactionImpl.java:48)	at play.db.jpa.DefaultJPAApi.withTransaction(DefaultJPAApi.java:134)	at play.db.jpa.DefaultJPAApi.withTransaction(DefaultJPAApi.java:195)	at play.db.jpa.DefaultJPAApi.withTransaction(DefaultJPAApi.java:168)