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 <[email protected]> > 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) >
