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From "Zhenhao Li (JIRA)" <>
Subject [jira] [Updated] (CLOUDSTACK-10315) Inconsistent debugging info in catch block
Date Mon, 05 Mar 2018 15:42:00 GMT


Zhenhao Li updated CLOUDSTACK-10315:
    Issue Type: Bug  (was: Improvement)

> Inconsistent debugging info in catch block
> ------------------------------------------
>                 Key: CLOUDSTACK-10315
>                 URL:
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Zhenhao Li
>            Priority: Minor
>              Labels: easyfix
>         Attachments: image-2018-03-05-09-59-19-369.png, image-2018-03-05-10-14-00-552.png,
> We found that some logging statements have same log message, but one of them has stack
trace info, the other one of them doesn't have. Maybe a possible reason is that they are code
clone, developers changed one of them(add stack trace info) but forgot to change the other
one. Here's the details of those logging statements we found:
>  1.*"Moving on to the next host because " + h.toString() + " is unavailable"*,
> There are two identical log messages in these two places, the latter one logged stack
trace but the previous one did not.
> !image-2018-03-05-09-59-19-369.png!
> We can see that they are in different type of catch block, but when checking the logs
they generated, maybe it's impossible to know the difference of them without stack trace.
So maybe the stack traces info should also be added here?
> 2.*"Network rule Conflict"*
> _org.apache.cloudstack.api.command.user.firewall.CreatePortForwardingRuleCmd.*create()*,_
> _org.apache.cloudstack.api.command.user.firewall.CreateFirewallRuleCmd.*create()*_
> The previous one has these two logging statements:
>"Network rule conflict: ", ex);
> s_logger.trace("Network Rule Conflict: ", ex);
> Comparing to the latter one which contains:
>"Network rule conflict: " + ex.getMessage());
> s_logger.trace("Network Rule Conflict: ", ex);
> Maybe it's better to have consistent exception handling here?
> 3.*"Failed to take snapshot: "*
> The previous one has catch block:
> !image-2018-03-05-10-14-00-552.png!
> and the latter one:
> !image-2018-03-05-10-14-25-802.png!
> We can see that the code snippers are almost the same except the logging statements.
> Will it be better to change the latter one, to be consistent with the previous one?

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