Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/4566#discussion_r133985612
--- Diff: flink-dist/src/main/flink-bin/bin/config.sh ---
@@ -351,8 +351,20 @@ if [ -z "$HADOOP_CONF_DIR" ]; then
fi
fi
+# try and set HADOOP_CONF_DIR to some common default if it's not set
+if [ -z "$HADOOP_CONF_DIR" ]; then
+ if [ -d "/etc/hadoop/conf" ]; then
+ HADOOP_CONF_DIR="/etc/hadoop/conf"
--- End diff --
I would suggest to print a message to the user that we are using this
HADOOP_CONF_DIR
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