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https://issues.apache.org/jira/browse/NUTCH-1774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13999415#comment-13999415
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Lewis John McGibbney commented on NUTCH-1774:
---------------------------------------------
I have no issue with committing this patch for 2.3 release.
it is trivial in scale and it affects very little of the codebase.
It would also mean that users can continue to experiment with the REST UI with
the official 2.3 release package.
I would like to commit shortly unless there are objections.
> Crawling from REST API giving NullPointerException
> --------------------------------------------------
>
> Key: NUTCH-1774
> URL: https://issues.apache.org/jira/browse/NUTCH-1774
> Project: Nutch
> Issue Type: Bug
> Components: REST_api
> Affects Versions: 2.2.1
> Reporter: sreemanth pulagam
> Fix For: 2.4
>
> Attachments: NUTCH-1774.patch
>
>
> Crawling is not working from REST API.
> Steps to reproduce.
> -----------------------
> 1. Start the Nutch server (port 9000).
> 2. Submit the PUT request , to create/initiate crawl job.
> eg:
> URL: http://localhost:9000/nutch/jobs
> HTTP METHOD: PUT
> Content:
> {
> "crawl":"123",
> "type":"crawl",
> "conf":"default",
> "args":{
> "class":"org.apache.nutch.crawl.Crawler",
> "seed":"http://www.somesite.com";,
> "seedDir":"runtime/local/url/url.txt",
> "depth":2
> }
> }
> 3. Getting the following exception in Generator phase.
> 2014-05-13 11:37:57,863 WARN mapred.LocalJobRunner
> (LocalJobRunner.java:run(435)) - job_local1326997137_0002
> java.lang.NullPointerException
> at org.apache.avro.util.Utf8.<init>(Utf8.java:37)
> at
> org.apache.nutch.crawl.GeneratorReducer.setup(GeneratorReducer.java:100)
> at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:174)
> at
> org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:418)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:398)
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