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https://issues.apache.org/jira/browse/NUTCH-2375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16124880#comment-16124880
]
ASF GitHub Bot commented on NUTCH-2375:
---------------------------------------
Omkar20895 commented on a change in pull request #188: NUTCH-2375 Upgrade the
code base from org.apache.hadoop.mapred to org.apache.hadoop.mapreduce
URL: https://github.com/apache/nutch/pull/188#discussion_r132838270
##########
File path: src/java/org/apache/nutch/segment/SegmentMerger.java
##########
@@ -174,47 +174,51 @@
// ignore
}
}
- final SequenceFileRecordReader<Text, Writable> splitReader = new
SequenceFileRecordReader<>(
- job, (FileSplit) split);
+ final SequenceFileRecordReader<Text, Writable> splitReader = new
SequenceFileRecordReader<>();
- try {
- return new SequenceFileRecordReader<Text, MetaWrapper>(job, fSplit) {
+ return new SequenceFileRecordReader<Text, MetaWrapper>() {
+
+ public MetaWrapper wrapper;
- public synchronized boolean next(Text key, MetaWrapper wrapper)
- throws IOException {
- LOG.debug("Running OIF.next()");
+ @Override
+ public synchronized boolean nextKeyValue()
+ throws IOException, InterruptedException {
+ try {
+ LOG.debug("Running OIF.nextKeyValue()");
- boolean res = splitReader.next(key, w);
+ splitReader.initialize(split, context);
+ this.initialize(split,context);
+ boolean res = splitReader.nextKeyValue();
+ wrapper = this.getCurrentValue();
Review comment:
Hi @lewismc I think the TestSegmentMerger is failing here with a
NullPointerException and I think that it is because the
sequenceFileRecordReader here is not being intialized as expected. Please
correct me if I am wrong. Thanks.
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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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