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Posted to common-dev@hadoop.apache.org by "Tom White (JIRA)" <ji...@apache.org> on 2010/12/23 18:42:46 UTC

[jira] Created: (HADOOP-7077) Use Java's ServiceLoader to add default resources to Configuration

Use Java's ServiceLoader to add default resources to Configuration
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                 Key: HADOOP-7077
                 URL: https://issues.apache.org/jira/browse/HADOOP-7077
             Project: Hadoop Common
          Issue Type: Improvement
          Components: conf
            Reporter: Tom White


Currently each class with a main() method (in HDFS and MapReduce) calls Configuration.addDefaultResource() to add the names of resource files to load (e.g. see DataNode and NameNode which both add hdfs-default.xml and hdfs-site.xml). We could reduce the code duplication by allowing the use of [java.util.ServiceLoader|http://download.oracle.com/javase/6/docs/api/java/util/ServiceLoader.html] to do the initialization.

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