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  1. Hadoop HDFS
  2. HDFS-13889

The hadoop3.x client have compatible problem with hadoop2.x cluster

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Critical
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: hdfs
    • Labels:
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      Description

      when use hadoop3.1.0 client submit a mapreduce job to the hadoop2.8.2 cluster,the appmaster will fail with 'java.lang.NumberFormatException: For input string: "30s"' on config dfs.client.datanode-restart.timeout; As in hadoop3.x hdfs-default.xml "dfs.client.datanode-restart.timeout" was set to value "30s" , and in hadoop2.x, DfsClientConf.java use Method getLong to get this value. Is it necessary to fix this problem?

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              • Assignee:
                Unassigned
                Reporter:
                luhuachao luhuachao
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                • Created:
                  Updated:
                  Resolved: