aloyszhang edited a comment on issue #2280: #2279 fix NPE when exec readjournal command URL: https://github.com/apache/bookkeeper/pull/2280#issuecomment-595279073 @eolivelli As I understand, if `hasArg` of an `Option` set to true, it means that an argument is required after this option other than this `Option` is must be specified. We still can run the command without the parameter `-dir` like this ``` ./bin/bookkeeper shell readjournal /data1/bookkeeper/journal/current/170ab39159f.txn ``` and this command runs well.
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