[jboss-jira] [JBoss JIRA] (WFLY-3101) CLI: hide stacktraces for exceptions w/o messages when logging errors

[Alexey Loubyansky (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-3101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Loubyansky resolved WFLY-3101.
-------------------------------------

    Resolution: Done


Merged.
                
> CLI: hide stacktraces for exceptions w/o messages when logging errors
> ---------------------------------------------------------------------
>
>                 Key: WFLY-3101
>                 URL: https://issues.jboss.org/browse/WFLY-3101
>             Project: WildFly
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: CLI
>    Affects Versions: 8.0.0.Final
>            Reporter: Alexey Loubyansky
>            Assignee: Alexey Loubyansky
>             Fix For: 8.0.1.Final
>
>
> CommandContextImpl contains the following logic
>     public void handleSafe(String line) {
>         exitCode = 0;
>         try {
>             handle(line);
>         } catch(Throwable t) {
>             final StringBuilder buf = new StringBuilder();
>             buf.append(t.getLocalizedMessage());
>             Throwable t1 = t.getCause();
>             while(t1 != null) {
>                 if(t1.getLocalizedMessage() != null) {
>                     buf.append(": ").append(t1.getLocalizedMessage());
>                 } else {
>                     t1.printStackTrace();
>                 }
>                 t1 = t1.getCause();
>             }
>             error(buf.toString());
>         }
>     }
> When an exception does not contain any message, e.g. in some cases IllegalArgumentException, etc, the full stacktraces are logged that are useful for debugging but not nice from the user interface point of view. It was suggested to hide them.

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