java.io.IOException: Reflection

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Reflection
java.io.IOException: Failed to add a datanode. User may turn off this feature by setting dfs.client.block.write.replace-datanode-on-failure.policy in configuration, where the current policy is DEFAULT. (Nodes: current=[10.7.0.231:50010, 10.7.0.233:50010], original=[10.7.0.231:50010, 10.7.0.233:50010])
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.findNewDatanode(DFSOutputStream.java:857)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.addDatanode2ExistingPipeline(DFSOutputStream.java:917)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.setupPipelineForAppendOrRecovery(DFSOutputStream.java:1023)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.processDatanodeError(DFSOutputStream.java:821)

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