Github user anwar6953 commented on a diff in the pull request: https://github.com/apache/twill/pull/39#discussion_r107262119 --- Diff: twill-yarn/src/main/java/org/apache/twill/yarn/YarnTwillPreparer.java --- @@ -455,21 +475,40 @@ private void saveLogLevels(String runnableName, Map<String, LogEntry.Level> logL this.logLevels.put(runnableName, newLevels); } + /** + * Creates an {@link Credentials} by copying the {@link Credentials} of the current user. + */ private Credentials createCredentials() { Credentials credentials = new Credentials(); try { credentials.addAll(UserGroupInformation.getCurrentUser().getCredentials()); + } catch (IOException e) { --- End diff -- shouldn't this be fatal?
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