[GitHub] [logging-log4j2] ronosaurus commented on a change in pull request #458: LOG4J2-2993 Support stack trace truncation in JsonTemplateLayout.

[GitBox <gi...@apache.org>]

ronosaurus commented on a change in pull request #458:
URL: https://github.com/apache/logging-log4j2/pull/458#discussion_r559265163



##########
File path: src/site/asciidoc/manual/json-template-layout.adoc.vm
##########
@@ -476,20 +499,35 @@ Resolve the stack trace into a string field:
 {
   "$resolver": "exception",
   "field": "stackTrace",
-  "stringified": true
+  "stackTrace": {
+    "stringified": true
+  }
 }
 ----
 
-| exceptionRootCause
-| identical to `exception` resolver
-a|
-Resolves the fields of the innermost `Throwable` returned by
-`logEvent.getThrown()`.
+Resolve the stack trace into a string field such that the content will be
+truncated by the given points:
 
-Note that this resolver is toggled by
-`log4j.layout.jsonTemplate.stackTraceEnabled` property.
+[source,json]
+----
+{
+  "$resolver": "exception",
+  "field": "stackTrace",
+  "stackTrace": {
+    "stringified": true,
+    "truncatedStringSuffix": ">",
+    "truncationPointStrings": ["at javax.servlet.http.HttpServlet.service"]

Review comment:
       I replied to the dev list but the formatting was bad so I'm following up here. Looks like a typo:
   
   ```
   "truncationPointMatcherStrings": ["at javax.servlet.http.HttpServlet.service"]
   ```
   
   




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