cast output committer to PathOutputCommitter to allow S3 magic commit…

…ter (#85)

Co-authored-by: Johnny Sohn <[email protected]>

hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.java

@@ -87,8 +87,8 @@
 import org.apache.hadoop.mapreduce.OutputFormat;
 import org.apache.hadoop.mapreduce.RecordWriter;
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
-import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter;
 import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
+import org.apache.hadoop.mapreduce.lib.output.PathOutputCommitter;
 import org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.slf4j.Logger;
@@ -219,7 +219,7 @@ static <V extends Cell> RecordWriter<ImmutableBytesWritable, V> createRecordWrit
     final TaskAttemptContext context, final OutputCommitter committer) throws IOException {
 
     // Get the path of the temporary output file
-    final Path outputDir = ((FileOutputCommitter) committer).getWorkPath();
+    final Path outputDir = ((PathOutputCommitter) committer).getWorkPath();
     final Configuration conf = context.getConfiguration();
     final boolean writeMultipleTables =
       conf.getBoolean(MULTI_TABLE_HFILEOUTPUTFORMAT_CONF_KEY, false);