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WebHDFS return error 404 in random when I open the file on hdfs

WebHDFS return error 404 in random when I open the file on hdfs

Rising Star

I am willing to open a file on hdfs via WebHDFS. As I cannot access the redirect location of datanode, I set a proxy to access it. However, I find it sometimes return the correct file content, but sometimes not. Instead, it returns 404 error for "Problem accessing {Path}", and I cannot find any rule, just like in random.

How to resolve it? Thank you.