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https://issues.apache.org/jira/browse/LOG4J2-3298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Matt Pavlovich updated LOG4J2-3298:
-----------------------------------
Description:
Currently, if a user's object is able to generate well-formed JSON string, it
will be escaped. It would be great if there was a way to config the
JsonTemplateLayout to _not escape_ certain payloads. This allows the json to be
fully formed and contain model object data that can be parsed out later without
any un-formatting.
Example log entry:
{noformat}
{noformat}
Desired output:
{noformat}
{noformat}
Proposed requirements:
1. Users would have to pre-escape their JSON string in order to not break
overall log json format
Implementation approach options:
1. Update JSONTemplate configuration to allow a rawJSON, similar to
'stringified'
{noformat}
{noformat}
Developer codes:
{noformat}
{noformat}
was:
Currently, if a user's object is able to generate well-formed JSON string, it
will be escaped. It would be great if there was a way to config the
JsonTemplateLayout to _not escape_ certain payloads. This allows the json to be
fully formed and contain model object data that can be parsed out later without
any un-formatting.
Example log entry:
{noformat}
{
"instant": {
"epochSecond": 1640632561,
"nanoOfSecond": 287515000
},
"thread": "main",
"level": "INFO",
"loggerName": "io.hyte.dev.c.ServiceC",
"message": "Doing way other thing with order: 3235",
"contextStack": ["{ \"Task\" {\
"id\":\"3623\", \"orderId\": "1345\", \"taskStatus\":null,
\"startDateTime\": \"2021-12-27T06:07:01.363232-06:00\", \"endDateTime\":
\"2021-12-27T17:10:01.365430-06:00\"} }",
"{ \"Order\" { \"id\": \"3235\", \"customerName\": \"Customer-8780\",
\"createdDate\" :\"2021-12-27T08:55:01.366162-06:00\"} }"],
"endOfBatch": false,
"loggerFqcn": "org.apache.logging.log4j.spi.AbstractLogger",
"threadId": 1,
"threadPriority": 5
}
{noformat}
Desired output:
{noformat}
{
"instant": {
"epochSecond": 1640632561,
"nanoOfSecond": 287515000
},
"thread": "main",
"level": "INFO",
"loggerName": "io.hyte.dev.c.ServiceC",
"message": "Doing way other thing with order: 3235",
"contextStack": [{ "Task" { "id": "3623", "orderId": "1345",
"taskStatus":null, "startDateTime": "2021-12-27T06:07:01.363232-06:00",
"endDateTime": "2021-12-27T17:10:01.365430-06:00"} }",
{ "Order" { "id": "3235", "customerName": "Customer-8780",
"createdDate": "2021-12-27T08:55:01.366162-06:00"} }],
"endOfBatch": false,
"loggerFqcn": "org.apache.logging.log4j.spi.AbstractLogger",
"threadId": 1,
"threadPriority": 5
}
{noformat}
Proposed requirements:
1. Users would have to pre-escape their JSON string in order to not break
overall log json format
Implementation approach options:
1. Prefix {noformat}{noesc}{noformat} or other marker macro to instruct
JSONWriter skip escaping for that string
{noformat}
ThreadContext.push("{noesc}" + JSONString(myModelObject));
{noformat}
_or_
2. Alternatively, the JSONWriter could invoke a JSONReader on the marked
payload and then ensure that fields are properly escaped, but not escape the
whole payload. This would involve add'l cycles, but remove the pre-req and
potential hazard of user calling with malformed JSON
Developer codes:
{noformat}
ThreadContext.push("{json}" + JSONString(myModelObject));
...
JSONWriter detects prefix {json}.. then invokes JSONReader on the payload
{noformat}
> Update JSONTemplateFormat to support not escaping certain payloads
> ------------------------------------------------------------------
>
> Key: LOG4J2-3298
> URL: https://issues.apache.org/jira/browse/LOG4J2-3298
> Project: Log4j 2
> Issue Type: Improvement
> Components: JsonTemplateLayout
> Reporter: Matt Pavlovich
> Assignee: Volkan Yazici
> Priority: Minor
>
> Currently, if a user's object is able to generate well-formed JSON string, it
> will be escaped. It would be great if there was a way to config the
> JsonTemplateLayout to _not escape_ certain payloads. This allows the json to
> be fully formed and contain model object data that can be parsed out later
> without any un-formatting.
> Example log entry:
> {noformat}
> {noformat}
> Desired output:
> {noformat}
> {noformat}
> Proposed requirements:
> 1. Users would have to pre-escape their JSON string in order to not break
> overall log json format
> Implementation approach options:
> 1. Update JSONTemplate configuration to allow a rawJSON, similar to
> 'stringified'
> {noformat}
> {noformat}
> Developer codes:
> {noformat}
> {noformat}
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