Description
Need to add this property to core-default.xml. It's documented as being there, but it isn't.
<property> <name>mapreduce.outputcommitter.factory.scheme.s3a</name> <value>org.apache.hadoop.fs.s3a.commit.S3ACommitterFactory</value> <description> The committer factory to use when writing data to S3A filesystems. </description> </property>