bowenli86 commented on a change in pull request #8205: [FLINK-12238] [hive] 
Support database related operations in GenericHiveMetastoreCatalog and setup 
flink-connector-hive module
URL: https://github.com/apache/flink/pull/8205#discussion_r278267230
 
 

 ##########
 File path: 
flink-connectors/flink-connector-hive/src/main/resources/META-INF/NOTICE
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 @@ -0,0 +1,41 @@
+flink-connector-hive
+Copyright 2014-2019 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+This project bundles the following dependencies under the Apache Software 
License 2.0. (http://www.apache.org/licenses/LICENSE-2.0.txt)
+
+- org.apache.hadoop:hadoop-common:2.7.2
 
 Review comment:
   Hive metastore 2.x depends on `org.apache.hadoop.crypto` package in 
hadoop-common (hive-metastore 2.3.4 -> hadoop-common 2.7.2, hive-metastore 
2.1.1 -> hadoop-common 2.6.1), and that package is only available since hadoop 
2.6.
   
   My main concern is that, according to 
https://flink.apache.org/downloads.html, we still support hadoop 2.4. If users 
provide that, then hive-metastore won't be able to run. I actually wonder if 
Flink 1.9.0 is a good time to cut off support for hadoop 2.4? If so, I think 
it'll be a big help and we don't need to bundle hadoop-common anymore.
   
   What do you think?

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