maytasm commented on a change in pull request #11755:
URL: https://github.com/apache/druid/pull/11755#discussion_r719408081
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File path: docs/configuration/index.md
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@@ -631,6 +631,37 @@ Store task logs in HDFS. Note that the
`druid-hdfs-storage` extension must be lo
|`druid.indexer.logs.kill.initialDelay`| Optional. Number of milliseconds
after Overlord start when first auto kill is run. |random value less than
300000 (5 mins)|
|`druid.indexer.logs.kill.delay`|Optional. Number of milliseconds of delay
between successive executions of auto kill run. |21600000 (6 hours)|
+### API Error Response
+
+Druid API error responses can be configured to hide internal information (such
as Druid class name, stack trace, thread name, servlet name, code, line/column
number, and host/ip).
+
+|Property|Description|Default|
+|--------|-----------|-------|
+|`druid.server.http.showDetailedJettyErrors`|When set to true, any error
resulted from the Jetty layer / Jetty filter will have `servlet`, `message`,
`url`, `status` and (if exist) `cause` fields in the JSON response. When set to
false, the JSON response will only contains `message`, `url`, and `status`.
Note that the value of the fields remain unchanged.|true|
+|`druid.server.http.errorResponseTransformStrategy.strategy`|Error response
transform strategy to use to transform error response produced within Druid
services.|`none`|
+
+##### Error response transform strategy
+
+Error response transform strategy can be use to transform error response
produced within Druid services.
+Currently, when error response transform strategy is used (not `none`), the
error responses from the following Druid services will be transformed as follow:
+ - Any query API that failed in the router service. The fields `errorClass`
and `host` will always be null while the field `errorMessage` will be
transformed based on the set strategy.
Review comment:
Done
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