Re: [PR] Adjust GcpLayout JSON to latest format [logging-log4j2]

[via GitHub]

ViliusS commented on code in PR #3586:
URL: https://github.com/apache/logging-log4j2/pull/3586#discussion_r2044531747


##########
log4j-layout-template-json/src/main/resources/GcpLayout.json:
##########
@@ -49,25 +55,15 @@
     "key": "span_id"
   },
   "logging.googleapis.com/trace_sampled": true,
-  "_exception": {
-    "class": {
-      "$resolver": "exception",
-      "field": "className"
-    },
-    "message": {
-      "$resolver": "exception",
-      "field": "message"
-    },
-    "stackTrace": {
-      "$resolver": "pattern",
-      "pattern": "%xEx"
-    }
+  "exception": {
+    "$resolver": "pattern",
+    "pattern": "%xEx"
   },

Review Comment:
   It seems that I first tested `exception` resolver without `stringify` 
parameter. This was a probable reason why it was not caught by Google Error 
Reporting dashboard. I have now re-tested with `stringify` -> `true` and this 
is what I've got.
   
   The look with `exception` resolver:
   
![image](https://github.com/user-attachments/assets/42a6a1ec-9162-4ea8-a06c-074f3427b1c2)
   
   This is how it looks with `%eXe` pattern:
   
![image](https://github.com/user-attachments/assets/7a5e4512-c0ef-4369-8126-898045a40571)
   
   This is the look on Error Reporting page (item 1 and 2 in the list):
   
![image](https://github.com/user-attachments/assets/a6dea5b5-f402-4a5a-a53c-dff6e1100fb6)
   
   If you ask me I would still preferred message + exception format (item 3 in 
the screenshot above). At least this is how other libraries and Java software 
reports exceptions to Error Reporting. See the comparison:
   
![image](https://github.com/user-attachments/assets/21939493-e0c2-413b-8ca4-94cee48735df)
   
   But to match this, we would need to remove `exception` field completely and 
rely only on `message` field, or have the same information duplicated to 
`exception` field, which I don't see the point.
   
   Anyway, if you prefer one format or another, I could adjust the patch. Keep 
in mind though that current patch doesn't change anything regarding exception 
format. Current JSON layout used %xEx all along. I just changed field name.



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