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Username property (user) must be set
java.sql.SQLException: Username property (user) must be set	at com.facebook.presto.jdbc.PrestoDriver.connect(PrestoDriver.java:86)	at java.sql.DriverManager.getConnection(DriverManager.java:664)	at java.sql.DriverManager.getConnection(DriverManager.java:270)	at build.unstable.sonic.source.JdbcPublisher$$anonfun$receive$1.applyOrElse(JdbcSource.scala:129)	at akka.actor.Actor$class.aroundReceive(Actor.scala:480)	at build.unstable.sonic.source.JdbcPublisher.akka$stream$actor$ActorPublisher$$super$aroundReceive(JdbcSource.scala:33)	at akka.stream.actor.ActorPublisher$class.aroundReceive(ActorPublisher.scala:270)	at build.unstable.sonic.source.JdbcPublisher.aroundReceive(JdbcSource.scala:33)	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)	at akka.actor.ActorCell.invoke(ActorCell.scala:495)	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)	at akka.dispatch.Mailbox.run(Mailbox.scala:224)	at akka.dispatch.Mailbox.exec(Mailbox.scala:234)	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)