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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 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.hadoop.hbase.util;
Generate a classpath string containing any jars required by mapreduce jobs. Specify additional values by providing a comma-separated list of paths via -Dtmpjars.
public class MapreduceDependencyClasspathTool implements Tool {
  private Configuration conf;
  public void setConf(Configuration conf) {
    this. = conf;
  public Configuration getConf() {
    return ;
  public int run(String[] argsthrows Exception {
    if (args.length > 0) {
      ..println("Usage: hbase mapredcp [-Dtmpjars=...]");
      ..println("  Construct a CLASSPATH containing dependency jars required to run a mapreduce");
      ..println("  job. By default, includes any jars detected by TableMapReduceUtils. Provide");
      ..println("  additional entries by specifying a comma-separated list in tmpjars.");
      return 0;
    return 0;
  public static void main(String[] argvthrows Exception {
    // Silence the usual noise. This is probably fragile...
    Logger logger = Logger.getLogger("org.apache.hadoop.hbase");
    if (logger != null) {
      HBaseConfiguration.create(), new MapreduceDependencyClasspathTool(), argv));
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