surendralilhore commented on a change in pull request #3149:
URL: https://github.com/apache/hadoop/pull/3149#discussion_r667098662
##########
File path:
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java
##########
@@ -915,6 +922,33 @@ public synchronized int read(byte[] b, int off, int len)
throws FileNotFoundExce
}
}
+ @Override
+ public int read(long position, byte[] buffer, int offset, int length)
+ throws IOException {
+ if (in instanceof PositionedReadable) {
+ try {
+ int result = ((PositionedReadable) this.in).read(position, buffer,
+ offset, length);
+ if (null != statistics && result > 0) {
+ statistics.incrementBytesRead(result);
+ }
+ return result;
+ } catch (IOException e) {
+ Throwable innerException =
NativeAzureFileSystemHelper.checkForAzureStorageException(e);
+ if (innerException instanceof StorageException) {
+ LOG.error("Encountered Storage Exception for read on Blob : {}"
+ + " Exception details: {} Error Code : {}",
+ key, e, ((StorageException) innerException).getErrorCode());
+ if
(NativeAzureFileSystemHelper.isFileNotFoundException((StorageException)
innerException)) {
+ throw new FileNotFoundException(String.format("%s is not found",
key));
+ }
+ }
+ throw e;
+ }
+ }
+ return super.read(position, buffer, offset, length);
Review comment:
Agree
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