Github user cbaenziger commented on a diff in the pull request:
https://github.com/apache/twill/pull/65#discussion_r165862926
--- Diff:
twill-yarn/src/main/hadoop22/org/apache/twill/internal/yarn/Hadoop22YarnAMClient.java
---
@@ -26,7 +26,7 @@
/**
* Wrapper class for AMRMClient for Hadoop version 2.2 or greater.
*/
-public final class Hadoop22YarnAMClient extends Hadoop21YarnAMClient {
+public class Hadoop22YarnAMClient extends Hadoop21YarnAMClient {
--- End diff --
If marked `final`, I can not extend it for
[`Hadoop26YarnAMClient`](https://github.com/apache/twill/pull/65/files#diff-8c254de8ae00c6007495979dcb66a986R30)?
---
