Github user HeartSaVioR commented on a diff in the pull request: https://github.com/apache/storm/pull/2475#discussion_r162315997 --- Diff: storm-client/src/jvm/org/apache/storm/utils/DefaultShellLogHandler.java --- @@ -0,0 +1,100 @@ +/** + * 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. + */ + +package org.apache.storm.utils; + +import org.apache.storm.multilang.ShellMsg; +import org.apache.storm.task.TopologyContext; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Handle output from non-JVM processes. + */ +public class DefaultShellLogHandler implements ShellLogHandler { + public static final Logger LOG = LoggerFactory.getLogger(DefaultShellLogHandler.class); --- End diff -- Looks like we're losing class information which is logging. (I mean we no longer write log with ShellSpout/ShellBolt.) Given that we are creating ShellLogHandler instance per task, we can pass class name in `setUpContext()` (interface needs to be changed) and initialize logger based on the class name. Makes sense?
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