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Document DD_LOG_FORMAT_JSON for Datadog Java Tracer (will ship in v1.58.0) #33464

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mcculls merged 2 commits into from
Jan 6, 2026
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Document DD_LOG_FORMAT_JSON for Datadog Java Tracer (will ship in v1.58.0) #33464

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Document DD_LOG_FORMAT_JSON for upcoming v1.58.0 release of the Datad…
mcculls Dec 18, 2025
c7d12a1
Update JSON logging note in Java config
brett0000FF Dec 30, 2025
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12 changes: 12 additions & 0 deletions content/en/tracing/trace_collection/library_config/java.md
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Expand Up @@ -364,6 +364,18 @@ A range of errors can be accepted. By default, gRPC status codes 2 to 16 are rep

### Logs

`dd.log.level`
: **Environment Variable**: `DD_LOG_LEVEL`<br>
**Default**: `INFO`<br>
Sets the internal log level for the Datadog Java Tracer. Valid values: `DEBUG`, `INFO`, `WARN`, `ERROR`.<br>
Available since version 1.36.0

`dd.log.format.json`
: **Environment Variable**: `DD_LOG_FORMAT_JSON`<br>
**Default**: `false`<br>
When `true`, outputs Datadog Java Tracer logs in a JSON format compatible with the Datadog Logs UI.<br>
Available since version 1.58.0

`dd.logs.injection`
: **Environment Variable**: `DD_LOGS_INJECTION`<br>
**Default**: `true`<br>
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1 change: 1 addition & 0 deletions content/en/tracing/troubleshooting/tracer_debug_logs.md
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Expand Up @@ -52,6 +52,7 @@ To enable debug mode for the Datadog Java Tracer, set the flag `-Ddd.trace.debug
```
-Ddatadog.slf4j.simpleLogger.jsonEnabled=true
```
Since version `1.58.0`, you can use the `DD_LOG_FORMAT_JSON` environment variable to control the Datadog Java Tracer log format.


[1]: https://www.slf4j.org/api/org/slf4j/simple/SimpleLogger.html
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