Paul Lin created FLINK-11135:
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             Summary: Reduce priority of the deprecated Hadoop specific Flink 
conf options
                 Key: FLINK-11135
                 URL: https://issues.apache.org/jira/browse/FLINK-11135
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 1.7.0, 1.6.2
            Reporter: Paul Lin
            Assignee: Paul Lin


In [FLINK-7967] we mark the Hadoop specific Flink configuration options as 
deprecated and recommend users to use HADOOP_CONF_DIR env variable instead, but 
if both are configured, Flink would still look for Hadoop configurations in the 
path specified in Flink configurations first. Plus, the code that searches 
Hadoop configurations in `fs.hdfs.hadoopconf` is wrongly placed in the env 
variables section. 

I think the search order should be: HADOOP_CONF_DIR > Flink conf options > 
HADOOP_HOME.



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