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java.lang.NullPointerException: 	at com.mesosphere.dcos.kafka.plan.KafkaUpdateBlock.initializeStatus(KafkaUpdateBlock.java:196)	at com.mesosphere.dcos.kafka.plan.KafkaUpdateBlock.(KafkaUpdateBlock.java:50)	at com.mesosphere.dcos.kafka.plan.KafkaUpdatePhase.createBlocks(KafkaUpdatePhase.java:83)	at com.mesosphere.dcos.kafka.plan.KafkaUpdatePhase.(KafkaUpdatePhase.java:27)	at com.mesosphere.dcos.kafka.scheduler.KafkaScheduler.(KafkaScheduler.java:125)	at com.mesosphere.dcos.kafka.scheduler.Main.run(Main.java:70)	at com.mesosphere.dcos.kafka.scheduler.Main.run(Main.java:21)	at io.dropwizard.cli.EnvironmentCommand.run(EnvironmentCommand.java:40)	at io.dropwizard.cli.ConfiguredCommand.run(ConfiguredCommand.java:77)	at io.dropwizard.cli.Cli.run(Cli.java:70)	at io.dropwizard.Application.run(Application.java:80)	at com.mesosphere.dcos.kafka.scheduler.Main.main(Main.java:27)