chore: Do not log warn message for 405 and 404 status code responses (#…

…2854)

webapi/src/main/scala/org/knora/webapi/routing/AroundDirectives.scala

@@ -6,9 +6,9 @@
 package org.knora.webapi.routing
 
 import org.apache.pekko
-
+import org.apache.pekko.http.scaladsl.model.StatusCodes.{MethodNotAllowed, NotFound}
+import org.apache.pekko.http.scaladsl.model.{HttpResponse, StatusCodes}
 import org.knora.webapi.instrumentation.InstrumentationSupport
-
 import pekko.http.scaladsl.server.Directive0
 import pekko.http.scaladsl.server.Directives._
 
@@ -25,8 +25,15 @@ trait AroundDirectives extends InstrumentationSupport {
     mapResponse { resp =>
       val took    = System.currentTimeMillis() - start
       val message = s"[${resp.status.intValue()}] ${ctx.request.method.name} ${ctx.request.uri} took: ${took}ms"
-      if (resp.status.isFailure()) metricsLogger.warn(message) else metricsLogger.debug(message)
+      if (shouldLogWarning(resp)) metricsLogger.warn(message)
+      else metricsLogger.debug(message)
       resp
     }
   }
+
+  private val doNotLogStatusCodes = List(MethodNotAllowed, NotFound)
+  private def shouldLogWarning(resp: HttpResponse) = {
+    val status = resp.status
+    status.isFailure() && !doNotLogStatusCodes.contains(status)
+  }
 }