ashutoshcipher commented on code in PR #4750:
URL: https://github.com/apache/hadoop/pull/4750#discussion_r989110352
##########
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java:
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@@ -1882,18 +1884,52 @@ public BlockLocation[] getFileBlockLocations(final
FileStatus status,
}
@Override
- public BlockLocation[] getFileBlockLocations(final Path p,
- final long offset, final long length) throws IOException {
+ public BlockLocation[] getFileBlockLocations(final Path p, final long offset,
+ final long length) throws IOException {
statistics.incrementReadOps(1);
storageStatistics.incrementOpCounter(OpType.GET_FILE_BLOCK_LOCATIONS);
+ BlockLocation[] locations;
+ try {
+ if (isServerHCFSCompatible) {
+ locations = getFileBlockLocations(GetOpParam.Op.GETFILEBLOCKLOCATIONS,
p, offset, length);
+ } else {
+ locations = getFileBlockLocations(GetOpParam.Op.GET_BLOCK_LOCATIONS,
p, offset, length);
+ }
+ } catch (RemoteException e) {
+ // parsing the exception is needed only if the client thinks the service
is compatible
+ if (isServerHCFSCompatible && isGetFileBlockLocationsException(e)) {
Review Comment:
Sure
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