Please check the logs or run fsck in order to identify the missing blocks. See the Hadoop FAQ for common causes and potential solutions.

hadoop  fsck 

hadoop  fsck -delete

Cause analysis:

This problem occurs after deleting data on several HDFS. The exception information is

In HDFS, data is stored in block mode (blk_1073748128 is a block without understanding error), and After BLK_1073748128 is deleted, the metadata is still there, but the data block is gone, so this error is reported. However, this part of the data is not needed, so the metadata information of the abnormal file block can be deleted directly.