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java.lang.NullPointerException: null	at org.cryptocoinpartners.util.PersistUtil.createEntityManager(PersistUtil.java:699)	at org.cryptocoinpartners.util.PersistUtil.shutdown(PersistUtil.java:724)	at org.cryptocoinpartners.command.ExitCommand.run(ExitCommand.java:27)	at org.cryptocoinpartners.bin.ConsoleRunMode.run(ConsoleRunMode.java:94)	at org.cryptocoinpartners.bin.Main.main(Main.java:129)