HADOOP-15827. NPE in DynamoDBMetadataStore.lambda$listChildren for root + auth S3Guard.

Contributed by Gabor Bota
2018-10-09 10:46:41 +01:00 · 2018-10-09 10:46:41 +01:00 · 7ba1cfdea7
commit 7ba1cfdea7
parent d4626b4d18
1 changed files with 1 additions and 1 deletions
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/s3guard/DynamoDBMetadataStore.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/s3guard/DynamoDBMetadataStore.java
@ -630,7 +630,7 @@ public DirListingMetadata listChildren(final Path path) throws IOException {
          LOG.trace("Listing table {} in region {} for {} returning {}",
              tableName, region, path, metas);

-          return (metas.isEmpty() && dirPathMeta == null)
+          return (metas.isEmpty() || dirPathMeta == null)
              ? null
              : new DirListingMetadata(path, metas, isAuthoritative,
              dirPathMeta.getLastUpdated());