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From Tom Gardner <t...@tomg.com>
Subject Re: InvalidInputException: Input path does not exist
Date Thu, 03 Sep 2009 18:17:09 GMT
That worked perfectly! Thanks

On Thu, Sep 3, 2009 at 12:03 PM, Julien Nioche <
lists.digitalpebble@gmail.com> wrote:

> Haven't checked but I expect the correct command to be :
> */usr/local/nutch/bin/nutch invertlinks crawl/linkdb -dir crawl/segments*
> without the trailing /*
>
> J.
>
> --
> DigitalPebble Ltd
> http://www.digitalpebble.com
>
>
> nutch invertlinks
> 2009/9/3 Tom Gardner <tomg@tomg.com>
>
> > Hello,
> >
> > I'm trying to get whole-web crawling working, but I'm getting this error
> in
> > the final indexing steps:
> >
> > LinkDb: starting
> > LinkDb: linkdb: crawl/linkdb
> > LinkDb: URL normalize: true
> > LinkDb: URL filter: true
> > LinkDb: adding segment:
> file:/data/crawl/segments/20090903093154/parse_data
> > LinkDb: adding segment:
> file:/data/crawl/segments/20090903093154/parse_text
> > LinkDb: adding segment:
> > file:/data/crawl/segments/20090903093154/crawl_fetch
> > LinkDb: adding segment:
> > file:/data/crawl/segments/20090903093154/crawl_generate
> > LinkDb: adding segment: file:/data/crawl/segments/20090903093154/content
> > LinkDb: adding segment:
> > file:/data/crawl/segments/20090903093154/crawl_parse
> > LinkDb: org.apache.hadoop.mapred.InvalidInputException: Input path does
> not
> > exist: file:/data/crawl/segments/20090903093154/parse_data/parse_data
> > Input path does not exist:
> > file:/data/crawl/segments/20090903093154/parse_text/parse_data
> > Can anyone help?  This is running nutch 1.0 on a clean nutch install on
> > Fedora Linux.
> >
> > I've verified the same error using the nutch-2009-09-03_05-18-47 release
> as
> > well.
> >
> > My script and full error output are below.
> >
> > Thanks
> >
> >
> > --------------------------------------------------------------------
> Nutch
> > Script
> > -------------------------------------------------------------------------
> >
> > #!/bin/bash
> > export JAVA_HOME=/usr/local/jdk
> >
> > # Clean up from last run
> > /bin/rm -rf crawl seed
> > mkdir seed
> > # Copy list of urls to the seed directory
> > cp urls seed/urls.txt
> > # Injects urls in the 'seed' directory into the crawldb
> > /usr/local/nutch/bin/nutch inject crawl/crawldb seed
> > # Generate fetch list, fetch and parse content
> > /usr/local/nutch/bin/nutch generate crawl/crawldb crawl/segments
> > echo DONE GENERATE 1
> > # The above command will generate a new segment directory
> > # under crawl/segments that at this point contains files that
> > # store the url(s) to be fetched. In the following commands
> > # we need the latest segment dir as parameter so well store
> > # it in an environment variable:
> > SEGMENT=`ls -d crawl/segments/2* | tail -1`
> > echo SEGMENT 1: $SEGMENT
> > # Now launch the fetcher that actually goes to get the content
> > /usr/local/nutch/bin/nutch fetch $SEGMENT -noParsing
> > echo DONE FETCH 1
> > # Next, parse the content
> > /usr/local/nutch/bin/nutch parse $SEGMENT
> > echo DONE PARSE 1
> > # Then update the Nutch crawldb. The updatedb command will
> > # store all new urls discovered during the fetch and parse of
> > # the previous segment into Nutch database so they can be
> > # fetched later. Nutch also stores information about the
> > # pages that were fetched so the same urls wont be fetched
> > # again and again.
> > /usr/local/nutch/bin/nutch updatedb crawl/crawldb $SEGMENT -filter
> > -normalize
> > echo DONE UPDATEDB 1
> > # Now the database has entries for all of the pages referenced by the
> > initial set
> >
> > # Now we fetch a new segment with the top-scoring 1000 pages
> > # /usr/local/nutch/bin/nutch generate crawl/crawldb crawl/segments -topN
> > 1000
> > /usr/local/nutch/bin/nutch generate crawl/crawldb crawl/segments
> > echo DONE GENERATE 2
> > # reset SEGMENT
> > SEGMENT=`ls -d crawl/segments/2* | tail -1`
> > echo SEGMENT 2: $SEGMENT
> > # Now re-launch the fetcher to get the content
> > /usr/local/nutch/bin/nutch fetch $SEGMENT -noParsing
> > echo DONE FETCH 2
> > # Next, parse the content
> > /usr/local/nutch/bin/nutch parse $SEGMENT
> > echo DONE PARSE 2
> > # update the db
> > /usr/local/nutch/bin/nutch updatedb crawl/crawldb $SEGMENT -filter
> > -normalize
> > echo DONE UPDATE 2
> >
> > # Fetch another round
> > # /usr/local/nutch/bin/nutch generate crawl/crawldb crawl/segments -topN
> > 1000
> > /usr/local/nutch/bin/nutch generate crawl/crawldb crawl/segments
> > echo DONE GENERATE 3
> > # reset SEGMENT
> > SEGMENT=`ls -d crawl/segments/2* | tail -1`
> > echo SEGMENT 3: $SEGMENT
> > # Now re-launch the fetcher to get the content
> > /usr/local/nutch/bin/nutch fetch $SEGMENT -noParsing
> > echo DONE FETCH 3
> > # Next, parse the content
> > /usr/local/nutch/bin/nutch parse $SEGMENT
> > echo DONE PARSE 3
> > # update the db
> > /usr/local/nutch/bin/nutch updatedb crawl/crawldb $SEGMENT -filter
> > -normalize
> > echo DONE UPDATEDB 3
> >
> > #
> > # We now index what we've gotten
> > #
> > # Before indexing we first invert all of the links,
> > # so that we may index incoming anchor text with the pages.
> > /usr/local/nutch/bin/nutch invertlinks crawl/linkdb -dir crawl/segments/*
> > # Then index
> > /usr/local/nutch/bin/nutch index crawl/indexes crawl/crawldb crawl/linkdb
> > crawl/segments/*
> >
> > ----------------------------------------------------------------  Nutch
> > Errors ---------------------------------------------------------
> >
> >
> >
> >
> >
> >
> >
> >
> > -finishing thread FetcherThread, activeThreads=9
> > -finishing thread FetcherThread, activeThreads=8
> > -finishing thread FetcherThread, activeThreads=7
> > -finishing thread FetcherThread, activeThreads=6
> > -finishing thread FetcherThread, activeThreads=5
> > -finishing thread FetcherThread, activeThreads=4
> > -finishing thread FetcherThread, activeThreads=3
> > -finishing thread FetcherThread, activeThreads=2
> > -activeThreads=2, spinWaiting=2, fetchQueues.totalSize=0
> > -finishing thread FetcherThread, activeThreads=1
> > -finishing thread FetcherThread, activeThreads=0
> > -activeThreads=0, spinWaiting=0, fetchQueues.totalSize=0
> > -activeThreads=0
> > Fetcher: done
> > DONE FETCH 3
> > DONE PARSE 3
> > CrawlDb update: starting
> > CrawlDb update: db: crawl/crawldb
> > CrawlDb update: segments: [crawl/segments/20090903093336]
> > CrawlDb update: additions allowed: true
> > CrawlDb update: URL normalizing: true
> > CrawlDb update: URL filtering: true
> > CrawlDb update: Merging segment data into db.
> > CrawlDb update: done
> > DONE UPDATEDB 3
> > LinkDb: starting
> > LinkDb: linkdb: crawl/linkdb
> > LinkDb: URL normalize: true
> > LinkDb: URL filter: true
> > LinkDb: adding segment:
> file:/data/crawl/segments/20090903093154/parse_data
> > LinkDb: adding segment:
> file:/data/crawl/segments/20090903093154/parse_text
> > LinkDb: adding segment:
> > file:/data/crawl/segments/20090903093154/crawl_fetch
> > LinkDb: adding segment:
> > file:/data/crawl/segments/20090903093154/crawl_generate
> > LinkDb: adding segment: file:/data/crawl/segments/20090903093154/content
> > LinkDb: adding segment:
> > file:/data/crawl/segments/20090903093154/crawl_parse
> > LinkDb: org.apache.hadoop.mapred.InvalidInputException: Input path does
> not
> > exist: file:/data/crawl/segments/20090903093154/parse_data/parse_data
> > Input path does not exist:
> > file:/data/crawl/segments/20090903093154/parse_text/parse_data
> > Input path does not exist:
> > file:/data/crawl/segments/20090903093154/crawl_fetch/parse_data
> > Input path does not exist:
> > file:/data/crawl/segments/20090903093154/crawl_generate/parse_data
> > Input path does not exist:
> > file:/data/crawl/segments/20090903093154/content/parse_data
> > Input path does not exist:
> > file:/data/crawl/segments/20090903093154/crawl_parse/parse_data
> >  at
> >
> >
> org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:179)
> >  at
> >
> >
> org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInputFormat.java:39)
> >  at
> >
> >
> org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:190)
> >  at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:797)
> >  at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1142)
> >  at org.apache.nutch.crawl.LinkDb.invert(LinkDb.java:170)
> >  at org.apache.nutch.crawl.LinkDb.run(LinkDb.java:285)
> >  at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> >  at org.apache.nutch.crawl.LinkDb.main(LinkDb.java:248)
> > Indexer: starting
> > Indexer: org.apache.hadoop.mapred.InvalidInputException: Input path does
> > not
> > exist: file:/data/crawl/linkdb/current
> >  at
> >
> >
> org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:179)
> >  at
> >
> >
> org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInputFormat.java:39)
> >  at
> >
> >
> org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:190)
> >  at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:797)
> >  at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1142)
> >  at org.apache.nutch.indexer.Indexer.index(Indexer.java:72)
> >  at org.apache.nutch.indexer.Indexer.run(Indexer.java:92)
> >  at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> >  at org.apache.nutch.indexer.Indexer.main(Indexer.java:101)
> >
>

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