Github user tedyu commented on a diff in the pull request:
https://github.com/apache/flink/pull/2402#discussion_r75874655
--- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/Utils.java ---
@@ -164,6 +164,7 @@ public static void setTokensFor(ContainerLaunchContext
amContainer, List<Path> p
ByteBuffer securityTokens = ByteBuffer.wrap(dob.getData(), 0,
dob.getLength());
amContainer.setTokens(securityTokens);
+ dob.close();
--- End diff --
Can you use try-with-resources here ?
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