[jira] [Created] (ROCKETMQ-6) Use logger for exceptions instead of e.printStackTrace()

[Roman Shtykh (JIRA)]

Roman Shtykh created ROCKETMQ-6:
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             Summary: Use logger for exceptions instead of e.printStackTrace()
                 Key: ROCKETMQ-6
                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-6
             Project: Apache RocketMQ
          Issue Type: Improvement
            Reporter: Roman Shtykh


Replace {{e.printStackTrace()}} with {{log.error(...)}} in all core modules, 
except tests, tools and  examples.



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