Github user zhangminglei commented on a diff in the pull request:
https://github.com/apache/flink/pull/4219#discussion_r125926605
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/fs/hdfs/HadoopFileSystem.java
---
@@ -459,17 +459,14 @@ public boolean isDistributedFS() {
@Override
public Class<?> getHadoopWrapperClassNameForFileSystem(String scheme) {
Configuration hadoopConf = getHadoopConfiguration();
- Class<? extends org.apache.hadoop.fs.FileSystem> clazz;
- // We can activate this block once we drop Hadoop1 support
(only hd2 has the getFileSystemClass-method)
-// try {
-// clazz =
org.apache.hadoop.fs.FileSystem.getFileSystemClass(scheme, hadoopConf);
-// } catch (IOException e) {
-// LOG.info("Flink could not load the Hadoop File system
implementation for scheme "+scheme);
-// return null;
-// }
- clazz = hadoopConf.getClass("fs." + scheme + ".impl", null,
org.apache.hadoop.fs.FileSystem.class);
-
- if (clazz != null && LOG.isDebugEnabled()) {
+ Class<? extends org.apache.hadoop.fs.FileSystem> clazz = null;
+ try {
+ clazz =
org.apache.hadoop.fs.FileSystem.getFileSystemClass(scheme, hadoopConf);
+ } catch (IOException e) {
+ LOG.info("Flink could not load the Hadoop File system
implementation for scheme " + scheme);
+ }
+
+ if(LOG.isDebugEnabled()) {
--- End diff --
Had updated code. Well fine ~ :)
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