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java.lang.NullPointerException: 	at org.rocksdb.RocksDB.put(RocksDB.java:432)	at org.apache.kafka.streams.state.internals.RocksDBStore.putInternal(RocksDBStore.java:298)	at org.apache.kafka.streams.state.internals.RocksDBStore.access$200(RocksDBStore.java:62)	at org.apache.kafka.streams.state.internals.RocksDBStore$3.restore(RocksDBStore.java:205)	at org.apache.kafka.streams.processor.internals.ProcessorStateManager.restoreActiveState(ProcessorStateManager.java:245)	at org.apache.kafka.streams.processor.internals.ProcessorStateManager.register(ProcessorStateManager.java:210)	at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.register(ProcessorContextImpl.java:116)	at org.apache.kafka.streams.state.internals.RocksDBStore.init(RocksDBStore.java:201)	at org.apache.kafka.streams.state.internals.MeteredKeyValueStore.init(MeteredKeyValueStore.java:85)	at org.apache.kafka.streams.processor.internals.AbstractTask.initializeStateStores(AbstractTask.java:81)	at org.apache.kafka.streams.processor.internals.StreamTask.(StreamTask.java:115)	at org.apache.kafka.streams.processor.internals.StreamThread.createStreamTask(StreamThread.java:550)	at org.apache.kafka.streams.processor.internals.StreamThread.addStreamTasks(StreamThread.java:577)	at org.apache.kafka.streams.processor.internals.StreamThread.access$000(StreamThread.java:68)	at org.apache.kafka.streams.processor.internals.StreamThread$1.onPartitionsAssigned(StreamThread.java:123)	at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:222)	at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$1.onSuccess(AbstractCoordinator.java:232)	at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$1.onSuccess(AbstractCoordinator.java:227)	at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:133)	at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:107)	at org.apache.kafka.clients.consumer.internals.RequestFuture$2.onSuccess(RequestFuture.java:182)	at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:133)	at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:107)	at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$SyncGroupResponseHandler.handle(AbstractCoordinator.java:436)	at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$SyncGroupResponseHandler.handle(AbstractCoordinator.java:422)	at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:679)	at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:658)	at org.apache.kafka.clients.consumer.internals.RequestFuture$1.onSuccess(RequestFuture.java:167)	at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:133)	at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:107)	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler.onComplete(ConsumerNetworkClient.java:426)	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:278)	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360)	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224)	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192)	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:163)	at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:243)	at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.ensurePartitionAssignment(ConsumerCoordinator.java:345)	at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:977)	at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:937)	at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:295)	at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:218)