question: invoked in dev mode when a server error occurs . concode_field_sep Provider<Router> routes concode_elem_sep Environment environment concode_elem_sep Option<String> playEditor concode_elem_sep OptionalSourceMapper sourceMapper concode_field_sep CompletionStage<Result> onNotFound concode_elem_sep CompletionStage<Result> onForbidden concode_elem_sep CompletionStage<Result> onOtherClientError concode_elem_sep CompletionStage<Result> onClientError concode_elem_sep CompletionStage<Result> onBadRequest concode_elem_sep void logServerError concode_elem_sep UsefulException throwableToUsefulException concode_elem_sep CompletionStage<Result> onServerError concode_elem_sep CompletionStage<Result> onProdServerError
target: CompletionStage < Result > function ( RequestHeader arg0 , UsefulException arg1 ) { return CompletableFuture . completedFuture ( Results . internalServerError ( views . html . defaultpages . devError . render ( playEditor , arg1 ) ) ) ; }