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From jibjoice <sudarat_...@hotmail.com>
Subject Re: Nutch crawl problem
Date Wed, 19 Dec 2007 07:56:18 GMT

where i should solve this? why it generated 0 records?
 

pvvpr wrote:
> 
> basically your indexes are empty since no URLs were generated and fetched.
> See 
> this,
> 
>> > - Generator: 0 records selected for fetching, exiting ...
>> > - Stopping at depth=0 - no more URLs to fetch.
>> > - No URLs to fetch - check your seed list and URL filters.
>> > - crawl finished: crawled
> 
> 
> when no pages are indexed, dedup throws Exception
> 
> 
> On Tuesday 18 December 2007 21:33, jibjoice wrote:
>> i can't solve it now, pls help me
>>
>> jibjoice wrote:
>> > i use nutch-0.9, hadoop-0.12.2 and i use this command "bin/nutch crawl
>> > urls -dir crawled -depth 3" have error :
>> >
>> > - crawl started in: crawled
>> > - rootUrlDir = input
>> > - threads = 10
>> > - depth = 3
>> > - Injector: starting
>> > - Injector: crawlDb: crawled/crawldb
>> > - Injector: urlDir: input
>> > - Injector: Converting injected urls to crawl db entries.
>> > - Total input paths to process : 1
>> > - Running job: job_0001
>> > - map 0% reduce 0%
>> > - map 100% reduce 0%
>> > - map 100% reduce 100%
>> > - Job complete: job_0001
>> > - Counters: 6
>> > - Map-Reduce Framework
>> > - Map input records=3
>> > - Map output records=1
>> > - Map input bytes=22
>> > - Map output bytes=52
>> > - Reduce input records=1
>> > - Reduce output records=1
>> > - Injector: Merging injected urls into crawl db.
>> > - Total input paths to process : 2
>> > - Running job: job_0002
>> > - map 0% reduce 0%
>> > - map 100% reduce 0%
>> > - map 100% reduce 58%
>> > - map 100% reduce 100%
>> > - Job complete: job_0002
>> > - Counters: 6
>> > - Map-Reduce Framework
>> > - Map input records=3
>> > - Map output records=1
>> > - Map input bytes=60
>> > - Map output bytes=52
>> > - Reduce input records=1
>> > - Reduce output records=1
>> > - Injector: done
>> > - Generator: Selecting best-scoring urls due for fetch.
>> > - Generator: starting
>> > - Generator: segment: crawled/segments/25501213164325
>> > - Generator: filtering: false
>> > - Generator: topN: 2147483647
>> > - Total input paths to process : 2
>> > - Running job: job_0003
>> > - map 0% reduce 0%
>> > - map 100% reduce 0%
>> > - map 100% reduce 100%
>> > - Job complete: job_0003
>> > - Counters: 6
>> > - Map-Reduce Framework
>> > - Map input records=3
>> > - Map output records=1
>> > - Map input bytes=59
>> > - Map output bytes=77
>> > - Reduce input records=1
>> > - Reduce output records=1
>> > - Generator: 0 records selected for fetching, exiting ...
>> > - Stopping at depth=0 - no more URLs to fetch.
>> > - No URLs to fetch - check your seed list and URL filters.
>> > - crawl finished: crawled
>> >
>> > but sometime i crawl some url it has error indexes time that
>> >
>> > - Indexer: done
>> > - Dedup: starting
>> > - Dedup: adding indexes in: crawled/indexes
>> > - Total input paths to process : 2
>> > - Running job: job_0025
>> > - map 0% reduce 0%
>> > - Task Id : task_0025_m_000001_0, Status : FAILED
>> > task_0025_m_000001_0: - Error running child
>> > task_0025_m_000001_0: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000001_0: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000001_0: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000001_0: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000001_0: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000001_0: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000001_0: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > - Task Id : task_0025_m_000000_0, Status : FAILED
>> > task_0025_m_000000_0: - Error running child
>> > task_0025_m_000000_0: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000000_0: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000000_0: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000000_0: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000000_0: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000000_0: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000000_0: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > - Task Id : task_0025_m_000000_1, Status : FAILED
>> > task_0025_m_000000_1: - Error running child
>> > task_0025_m_000000_1: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000000_1: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000000_1: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000000_1: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000000_1: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000000_1: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000000_1: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > - Task Id : task_0025_m_000001_1, Status : FAILED
>> > task_0025_m_000001_1: - Error running child
>> > task_0025_m_000001_1: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000001_1: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000001_1: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000001_1: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000001_1: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000001_1: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000001_1: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > - Task Id : task_0025_m_000001_2, Status : FAILED
>> > task_0025_m_000001_2: - Error running child
>> > task_0025_m_000001_2: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000001_2: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000001_2: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000001_2: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000001_2: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000001_2: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000001_2: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > - Task Id : task_0025_m_000000_2, Status : FAILED
>> > task_0025_m_000000_2: - Error running child
>> > task_0025_m_000000_2: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000000_2: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000000_2: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000000_2: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000000_2: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000000_2: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000000_2: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > - map 100% reduce 100%
>> > - Task Id : task_0025_m_000001_3, Status : FAILED
>> > task_0025_m_000001_3: - Error running child
>> > task_0025_m_000001_3: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000001_3: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000001_3: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000001_3: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000001_3: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000001_3: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000001_3: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > - Task Id : task_0025_m_000000_3, Status : FAILED
>> > task_0025_m_000000_3: - Error running child
>> > task_0025_m_000000_3: java.lang.ArrayIndexOutOfBoundsException: -1
>> > task_0025_m_000000_3: at
>> > org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
>> > task_0025_m_000000_3: at
>> > org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReade
>> > r.next(DeleteDuplicates.java:176)
>> > task_0025_m_000000_3: at
>> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
>> > task_0025_m_000000_3: at
>> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
>> > task_0025_m_000000_3: at org.apache.hadoop.mapred.MapTask.run
>> > (MapTask.java:175)
>> > task_0025_m_000000_3: at
>> > org.apache.hadoop.mapred.TaskTracker$Child.main
>> > (TaskTracker.java:1445)
>> > Exception in thread "main" java.io.IOException: Job failed!
>> > at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:604)
>> > at org.apache.nutch.indexer.DeleteDuplicates.dedup
>> > (DeleteDuplicates.java:439)
>> > at org.apache.nutch.crawl.Crawl.main(Crawl.java:135)
>> >
>> > how i solve it?
> 
> 
> 
> 

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