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java.lang.NullPointerException: null at org.apache.cassandra.db.Slices$ArrayBackedSlices$ComponentOfSlice.isEQ(Slices.java:748)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.Slices$ArrayBackedSlices.toCQLString(Slices.java:659)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.filter.ClusteringIndexSliceFilter.toCQLString(ClusteringIndexSliceFilter.java:150)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.SinglePartitionReadCommand.appendCQLWhereClause(SinglePartitionReadCommand.java:911)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.ReadCommand.toCQLString(ReadCommand.java:560)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.ReadCommand$1MetricRecording.onClose(ReadCommand.java:506)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.transform.BasePartitions.runOnClose(BasePartitions.java:70)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.transform.BaseIterator.close(BaseIterator.java:76)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.db.ReadCommandVerbHandler.doVerb(ReadCommandVerbHandler.java:48)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:67)[apache-cassandra-3.0.9.jar:3.0.9] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[na:1.8.0_102] at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:136)[apache-cassandra-3.0.9.jar:3.0.9] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)[apache-cassandra-3.0.9.jar:3.0.9] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_102]