marton-bod commented on a change in pull request #2161:
URL: https://github.com/apache/hive/pull/2161#discussion_r617040976



##########
File path: 
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergOutputCommitter.java
##########
@@ -105,13 +105,18 @@ public void commitTask(TaskAttemptContext 
originalContext) throws IOException {
           .executeWith(tableExecutor)
           .run(output -> {
             Table table = 
HiveIcebergStorageHandler.table(context.getJobConf(), output);
-            HiveIcebergRecordWriter writer = writers.get(output);
-            DataFile[] closedFiles = writer != null ? writer.dataFiles() : new 
DataFile[0];
-            String fileForCommitLocation = 
generateFileForCommitLocation(table.location(), jobConf,
-                attemptID.getJobID(), attemptID.getTaskID().getId());
-
-            // Creating the file containing the data files generated by this 
task for this table
-            createFileForCommit(closedFiles, fileForCommitLocation, 
table.io());
+            if (table != null) {

Review comment:
       Actually, this issue does not occur with mr, only with tez, therefore it 
currently does not come up in upstream Iceberg. Will fix this once Tez writes 
have been enabled there too.




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