java.net.unknownhostexception: jr-hdfs [How to Solve]

Recently, when deploying the live service, I found the error java.net.unknownhostexception: Jr HDFS. At first, I looked at the error and thought it was the problem of/etc/hosts. After trying, I found that it was not

The last discovery was pyspark_ ARCHIVES_ The address of path configuration is wrong

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