fix lint

apisix/utils/log-util.lua

@@ -32,6 +32,7 @@ local is_http = ngx.config.subsystem == "http"
 local req_get_body_file = ngx.req.get_body_file
 local MAX_REQ_BODY      = 524288      -- 512 KiB
 local MAX_RESP_BODY     = 524288      -- 512 KiB
+local io                = io
 
 local lru_log_format = core.lrucache.new({
     ttl = 300, count = 512

t/plugin/kafka-logger-large-body.t

@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 use t::APISIX 'no_plan';
 
 repeat_each(1);