[GitHub] [parquet-mr] shangxinli commented on a change in pull request #881: PARQUET-1999: NPE might occur if OutputFile is implemented by the client

[GitBox <gi...@apache.org>]

shangxinli commented on a change in pull request #881:
URL: https://github.com/apache/parquet-mr/pull/881#discussion_r595227345



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File path: parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetWriter.java
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@@ -281,8 +281,9 @@ public ParquetWriter(Path file, Configuration conf, WriteSupport<T> writeSupport
 
     // encryptionProperties could be built from the implementation of EncryptionPropertiesFactory when it is attached.
     if (encryptionProperties == null) {
+      String path = file == null ? null : file.getPath();
       encryptionProperties = ParquetOutputFormat.createEncryptionProperties(conf,
-          file == null ? null : new Path(file.getPath()), writeContext);
+          path == null ? null : new Path(path), writeContext);

Review comment:
       Instead of checking 'null' twice, can we do it like this? 
   Path path = (file == null) ? null : new Path(file.getPath());




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