[jira] [Closed] (LOG4J2-2985) Allow Json based layouts to output a root element

["Volkan Yazici (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LOG4J2-2985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Volkan Yazici closed LOG4J2-2985.
---------------------------------

> Allow Json based layouts to output a root element
> -------------------------------------------------
>
>                 Key: LOG4J2-2985
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2985
>             Project: Log4j 2
>          Issue Type: Improvement
>          Components: Layouts
>            Reporter: Ron Grabowski
>            Assignee: Volkan Yazici
>            Priority: Minor
>             Fix For: 3.0.0, 2.14.1
>
>
> This request applies to all all Json layouts:
> * https://github.com/apache/logging-log4j2/tree/master/log4j-layout-jackson-json
> * https://github.com/apache/logging-log4j2/tree/master/log4j-layout-jackson
> * https://github.com/apache/logging-log4j2/tree/master/log4j-layout-template-json
> ----
> The layouts in this folder:
> [https://github.com/apache/logging-log4j2/tree/master/log4j-layout-template-json/src/main/resources]
> Output a structure that looks like this:
> {code}
> {
>   "instant": {
>   },
>   "thread": {
>   },
>   "level": {
>   },
>   "loggerName": {
>   }
> {code}
> Add a set of new templates and/or a config value to set a root element. Default could be "logEvent" but could be overridden to something else like "data":
> {code}
> {
>   "data": {
>     "instant": {
>     },
>     "thread": {
>     },
>     "level": {
>     },
>     "loggerName": {
>     }
> {code}
> A root element (sometimes?) makes it easier to extract data in 3rd party tools like Splunk's _spath_ command:
> https://docs.splunk.com/Documentation/Splunk/latest/SearchReference/Spath
> Maybe its as simple as calling _withRootName_?
> https://stackoverflow.com/questions/15936680/how-to-rename-root-key-in-json-serialization-with-jackson
> {code}
> final ObjectWriter writer = mapper.writer().withRootName("rootName");
> {code}



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