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https://issues.apache.org/jira/browse/NUTCH-2375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16160974#comment-16160974
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ASF GitHub Bot commented on NUTCH-2375:
---------------------------------------
sebastian-nagel commented on a change in pull request #221: NUTCH-2375
Upgrading nutch to use org.apache.hadoop.mapreduce
URL: https://github.com/apache/nutch/pull/221#discussion_r138007647
##########
File path: src/java/org/apache/nutch/crawl/CrawlDbReader.java
##########
@@ -368,41 +367,46 @@ public void close() {
closeReaders();
}
- private TreeMap<String, LongWritable> processStatJobHelper(String crawlDb,
Configuration config, boolean sort) throws IOException{
+ private TreeMap<String, LongWritable> processStatJobHelper(String crawlDb,
Configuration config, boolean sort)
+ throws IOException, InterruptedException, ClassNotFoundException{
Path tmpFolder = new Path(crawlDb, "stat_tmp" +
System.currentTimeMillis());
- JobConf job = new NutchJob(config);
+ Job job = NutchJob.getInstance(config);
+ config = job.getConfiguration();
job.setJobName("stats " + crawlDb);
- job.setBoolean("db.reader.stats.sort", sort);
+ config.setBoolean("db.reader.stats.sort", sort);
FileInputFormat.addInputPath(job, new Path(crawlDb,
CrawlDb.CURRENT_NAME));
- job.setInputFormat(SequenceFileInputFormat.class);
+ job.setInputFormatClass(SequenceFileInputFormat.class);
job.setMapperClass(CrawlDbStatMapper.class);
job.setCombinerClass(CrawlDbStatCombiner.class);
job.setReducerClass(CrawlDbStatReducer.class);
FileOutputFormat.setOutputPath(job, tmpFolder);
- job.setOutputFormat(SequenceFileOutputFormat.class);
+ job.setOutputFormatClass(SequenceFileOutputFormat.class);
Review comment:
If the job writes it's output to a sequence file ...
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> Upgrade the code base from org.apache.hadoop.mapred to
> org.apache.hadoop.mapreduce
> ----------------------------------------------------------------------------------
>
> Key: NUTCH-2375
> URL: https://issues.apache.org/jira/browse/NUTCH-2375
> Project: Nutch
> Issue Type: Improvement
> Components: deployment
> Reporter: Omkar Reddy
>
> Nutch is still using the deprecated org.apache.hadoop.mapred dependency which
> has been deprecated. It need to be updated to org.apache.hadoop.mapreduce
> dependency.
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