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Posted to hdfs-dev@hadoop.apache.org by "luhuachao (JIRA)" <ji...@apache.org> on 2018/09/03 11:47:00 UTC
[jira] [Created] (HDFS-13889) The hadoop3.x client have compatible
problem with hadoop2.x cluster
luhuachao created HDFS-13889:
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Summary: The hadoop3.x client have compatible problem with hadoop2.x cluster
Key: HDFS-13889
URL: https://issues.apache.org/jira/browse/HDFS-13889
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: luhuachao
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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