FrankChen021 commented on code in PR #20832:
URL: https://github.com/apache/druid/pull/20832#discussion_r4465619856
##########
server/src/main/java/org/apache/druid/server/QueryLifecycle.java:
##########
@@ -611,4 +613,17 @@ public static boolean shouldLogStackTrace(final Throwable
e, final QueryContext
return false;
}
}
+
+ /**
+ * Returns whether the exception is an error the user caused and can fix
themselves, such as invalid SQL or an
+ * unknown table. The client already receives these in the response, and
they are recorded in the request log and
+ * query metrics, so they don't need a WARN in the server log.
+ *
+ * @param e exception
+ */
+ public static boolean isUserError(final Throwable e)
+ {
+ return e instanceof DruidException
+ && ((DruidException) e).getTargetPersona() ==
DruidException.Persona.USER;
Review Comment:
Good catch, fixed in c122b7236b. `isUserError` now also requires the
category to be `INVALID_INPUT`, `NOT_FOUND` or `UNSUPPORTED`, so
`USER`/`TIMEOUT` (and other categories like `CAPACITY_EXCEEDED`) stay at WARN.
Added a regression test for `USER`/`TIMEOUT`.
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