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From mikewalch <...@git.apache.org>
Subject [GitHub] accumulo-testing pull request #3: ACCUMULO-4579 Fixed hadoop config bug in a...
Date Wed, 01 Feb 2017 18:04:27 GMT
Github user mikewalch commented on a diff in the pull request:

    https://github.com/apache/accumulo-testing/pull/3#discussion_r98955888
  
    --- Diff: core/src/main/java/org/apache/accumulo/testing/core/TestEnv.java ---
    @@ -96,15 +97,22 @@ public String getPid() {
       }
     
       public Configuration getHadoopConfiguration() {
    -    Configuration config = new Configuration();
    -    config.set("mapreduce.framework.name", "yarn");
    -    // Setting below are required due to bundled jar breaking default
    -    // config.
    -    // See
    -    // http://stackoverflow.com/questions/17265002/hadoop-no-filesystem-for-scheme-file
    -    config.set("fs.hdfs.impl", org.apache.hadoop.hdfs.DistributedFileSystem.class.getName());
    -    config.set("fs.file.impl", org.apache.hadoop.fs.LocalFileSystem.class.getName());
    -    return config;
    +    if (hadoopConfig == null) {
    +      String hadoopPrefix = System.getenv("HADOOP_PREFIX");
    +      if (hadoopPrefix == null || hadoopPrefix.isEmpty()) {
    +        throw new IllegalArgumentException("HADOOP_PREFIX must be sent in env");
    +      }
    +      hadoopConfig = new Configuration();
    +      hadoopConfig.addResource(new Path(hadoopPrefix + "/etc/hadoop/core-site.xml"));
    --- End diff --
    
    I pushed another commit 62e91527 where I created new properties in `accumulo-testing.properties`
to avoid relying on loading Hadoop config files using `HADOOP_PREFIX`.  I also added `accumulo`
to several properties that configured Accumulo scanners.


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