Github user yaojiefeng commented on a diff in the pull request: https://github.com/apache/twill/pull/14#discussion_r87254498 --- Diff: twill-yarn/src/main/java/org/apache/twill/internal/ServiceMain.java --- @@ -264,6 +262,10 @@ protected String getLoggerLevel(Logger logger) { return "OFF"; } + protected String getLogLevels() { + return ""; --- End diff -- For a launch, the `TwillContainerService` is constructed before the run of `doMain` method, which means the we have not called `configureLogger()` method at that time so log level setting at constructor will not work.
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