You seems to have an NPE caused by your regex rules, for some weird reason. If you can provide a way to reproduce you can file an issue in Jira. This NPE should also occur if your run the regex tester.
nutch -Durlfilter.regex.file=path org.apache.nutch.net.URLFilterChecker -allCombined In the mean time you can check if a rule causes the NPE. -----Original message----- > From:Joe Zhang <[email protected]> > Sent: Sun 25-Nov-2012 23:26 > To: [email protected] > Subject: Re: Indexing-time URL filtering again > > the last few lines of hadoop.log: > > 2012-11-25 16:30:30,021 INFO indexer.IndexingFilters - Adding > org.apache.nutch.indexer.anchor.AnchorIndexingFilter > 2012-11-25 16:30:30,026 INFO indexer.IndexingFilters - Adding > org.apache.nutch.indexer.metadata.MetadataIndexer > 2012-11-25 16:30:30,218 WARN mapred.LocalJobRunner - job_local_0001 > java.lang.RuntimeException: Error in configuring object > at > org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:93) > at > org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64) > at > org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117) > at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:432) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372) > at > org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:212) > Caused by: java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at > org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:88) > ... 5 more > Caused by: java.lang.RuntimeException: Error in configuring object > at > org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:93) > at > org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64) > at > org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117) > at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:34) > ... 10 more > Caused by: java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at > org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:88) > ... 13 more > Caused by: java.lang.NullPointerException > at java.io.Reader.<init>(Reader.java:78) > at java.io.BufferedReader.<init>(BufferedReader.java:94) > at java.io.BufferedReader.<init>(BufferedReader.java:109) > at > org.apache.nutch.urlfilter.api.RegexURLFilterBase.readRules(RegexURLFilterBase.java:180) > at > org.apache.nutch.urlfilter.api.RegexURLFilterBase.setConf(RegexURLFilterBase.java:156) > at > org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:162) > at org.apache.nutch.net.URLFilters.<init>(URLFilters.java:57) > at > org.apache.nutch.indexer.IndexerMapReduce.configure(IndexerMapReduce.java:95) > ... 18 more > 2012-11-25 16:30:30,568 ERROR solr.SolrIndexer - java.io.IOException: Job > failed! > > > On Sun, Nov 25, 2012 at 3:08 PM, Markus Jelsma > <[email protected]>wrote: > > > You should provide the log output. > > > > -----Original message----- > > > From:Joe Zhang <[email protected]> > > > Sent: Sun 25-Nov-2012 17:27 > > > To: [email protected] > > > Subject: Re: Indexing-time URL filtering again > > > > > > I actually checked out the most recent build from SVN, Release 1.6 - > > > 23/11/2012. > > > > > > The following command > > > > > > bin/nutch solrindex -Durlfilter.regex.file=.....UrlFiltering.txt > > > http://localhost:8983/solr/ crawl/crawldb/ -linkdb crawl/linkdb/ > > > crawl/segments/* -filter > > > > > > produced the following output: > > > > > > SolrIndexer: starting at 2012-11-25 16:19:29 > > > SolrIndexer: deleting gone documents: false > > > SolrIndexer: URL filtering: true > > > SolrIndexer: URL normalizing: false > > > java.io.IOException: Job failed! > > > > > > Can anybody help? > > > On Sun, Nov 25, 2012 at 6:43 AM, Joe Zhang <[email protected]> wrote: > > > > > > > How exactly do I get to trunk? > > > > > > > > I did download download NUTCH-1300-1.5-1.patch, and run the patch > > command > > > > correctly, and re-build nutch. But the problem still persists... > > > > > > > > On Sun, Nov 25, 2012 at 3:29 AM, Markus Jelsma < > > [email protected] > > > > > wrote: > > > > > > > >> No, this is no bug. As i said, you need either to patch your Nutch or > > get > > > >> the sources from trunk. The -filter parameter is not in your version. > > Check > > > >> the patch manual if you don't know how it works. > > > >> > > > >> $ cd trunk ; patch -p0 < file.patch > > > >> > > > >> -----Original message----- > > > >> > From:Joe Zhang <[email protected]> > > > >> > Sent: Sun 25-Nov-2012 08:42 > > > >> > To: Markus Jelsma <[email protected]>; user < > > > >> [email protected]> > > > >> > Subject: Re: Indexing-time URL filtering again > > > >> > > > > >> > This does seem a bug. Can anybody help? > > > >> > > > > >> > On Sat, Nov 24, 2012 at 6:40 PM, Joe Zhang <[email protected]> > > > >> wrote: > > > >> > > > > >> > > Markus, could you advise? Thanks a lot! > > > >> > > > > > >> > > > > > >> > > On Sat, Nov 24, 2012 at 12:49 AM, Joe Zhang <[email protected] > > > > > > >> wrote: > > > >> > > > > > >> > >> I followed your instruction and applied the patch, Markus, but > > the > > > >> > >> problem still persists --- "-filter" is interpreted as a path by > > > >> solrindex. > > > >> > >> > > > >> > >> On Fri, Nov 23, 2012 at 12:39 AM, Markus Jelsma < > > > >> > >> [email protected]> wrote: > > > >> > >> > > > >> > >>> Ah, i get it now. Please use trunk or patch your version with: > > > >> > >>> https://issues.apache.org/jira/browse/NUTCH-1300 to enable > > > >> filtering. > > > >> > >>> > > > >> > >>> -----Original message----- > > > >> > >>> > From:Joe Zhang <[email protected]> > > > >> > >>> > Sent: Fri 23-Nov-2012 03:08 > > > >> > >>> > To: [email protected] > > > >> > >>> > Subject: Re: Indexing-time URL filtering again > > > >> > >>> > > > > >> > >>> > But Markus said it worked for him. I was really he could send > > his > > > >> > >>> command > > > >> > >>> > line. > > > >> > >>> > > > > >> > >>> > On Thu, Nov 22, 2012 at 6:28 PM, Lewis John Mcgibbney < > > > >> > >>> > [email protected]> wrote: > > > >> > >>> > > > > >> > >>> > > Is this a bug? > > > >> > >>> > > > > > >> > >>> > > On Thu, Nov 22, 2012 at 10:13 PM, Joe Zhang < > > > >> [email protected]> > > > >> > >>> wrote: > > > >> > >>> > > > Putting -filter between crawldb and segments, I sitll got > > the > > > >> same > > > >> > >>> thing: > > > >> > >>> > > > > > > >> > >>> > > > org.apache.hadoop.mapred.InvalidInputException: Input path > > > >> does not > > > >> > >>> > > exist: > > > >> > >>> > > > > > file:/home/tools/Nutch/apache-nutch-1.5.1/-filter/crawl_fetch > > > >> > >>> > > > Input path does not exist: > > > >> > >>> > > > > > file:/home/tools/Nutch/apache-nutch-1.5.1/-filter/crawl_parse > > > >> > >>> > > > Input path does not exist: > > > >> > >>> > > > > > file:/home/tools/Nutch/apache-nutch-1.5.1/-filter/parse_data > > > >> > >>> > > > Input path does not exist: > > > >> > >>> > > > > > file:/home/tools/Nutch/apache-nutch-1.5.1/-filter/parse_text > > > >> > >>> > > > > > > >> > >>> > > > On Thu, Nov 22, 2012 at 3:11 PM, Markus Jelsma > > > >> > >>> > > > <[email protected]>wrote: > > > >> > >>> > > > > > > >> > >>> > > >> These are roughly the available parameters: > > > >> > >>> > > >> > > > >> > >>> > > >> Usage: SolrIndexer <solr url> <crawldb> [-linkdb > > <linkdb>] > > > >> > >>> [-hostdb > > > >> > >>> > > >> <hostdb>] [-params k1=v1&k2=v2...] (<segment> ... | -dir > > > >> > >>> <segments>) > > > >> > >>> > > >> [-noCommit] [-deleteGone] [-deleteRobotsNoIndex] > > > >> > >>> > > >> [-deleteSkippedByIndexingFilter] [-filter] [-normalize] > > > >> > >>> > > >> > > > >> > >>> > > >> Having -filter at the end should work fine, if it, for > > some > > > >> > >>> reason, > > > >> > >>> > > >> doesn't work put it before the segment and after the > > crawldb > > > >> and > > > >> > >>> file an > > > >> > >>> > > >> issue in jira, it works here if i have -filter at the > > end. > > > >> > >>> > > >> > > > >> > >>> > > >> Cheers > > > >> > >>> > > >> > > > >> > >>> > > >> -----Original message----- > > > >> > >>> > > >> > From:Joe Zhang <[email protected]> > > > >> > >>> > > >> > Sent: Thu 22-Nov-2012 23:05 > > > >> > >>> > > >> > To: Markus Jelsma <[email protected]>; user < > > > >> > >>> > > >> [email protected]> > > > >> > >>> > > >> > Subject: Re: Indexing-time URL filtering again > > > >> > >>> > > >> > > > > >> > >>> > > >> > Yes, I forgot to do that. But still, what exactly > > should > > > >> the > > > >> > >>> command > > > >> > >>> > > >> look like? > > > >> > >>> > > >> > > > > >> > >>> > > >> > bin/nutch solrindex > > > >> -Durlfilter.regex.file=....UrlFiltering.txt > > > >> > >>> > > >> http://localhost:8983/solr/ <http://localhost:8983/solr/ > > > > > > >> > >>> .../crawldb/ > > > >> > >>> > > >> ..../segments/* -filter > > > >> > >>> > > >> > this command would cause nutch to interpret "-filter" > > as a > > > >> path. > > > >> > >>> > > >> > > > > >> > >>> > > >> > On Thu, Nov 22, 2012 at 6:14 AM, Markus Jelsma < > > > >> > >>> > > >> [email protected] <mailto: > > > >> [email protected]> > > > > >> > >>> wrote: > > > >> > >>> > > >> > Hi, > > > >> > >>> > > >> > > > > >> > >>> > > >> > I just tested a small index job that usually writes > > 1200 > > > >> > >>> records to > > > >> > >>> > > >> Solr. It works fine if i specify -. in a filter (index > > > >> nothing) > > > >> > >>> and > > > >> > >>> > > point > > > >> > >>> > > >> to it with -Durlfilter.regex.file=path like you do. I > > > >> assume you > > > >> > >>> mean > > > >> > >>> > > by > > > >> > >>> > > >> `it doesn't work` that it filters nothing and indexes all > > > >> records > > > >> > >>> from > > > >> > >>> > > the > > > >> > >>> > > >> segment. Did you forget the -filter parameter? > > > >> > >>> > > >> > > > > >> > >>> > > >> > Cheers > > > >> > >>> > > >> > > > > >> > >>> > > >> > -----Original message----- > > > >> > >>> > > >> > > From:Joe Zhang <[email protected] <mailto: > > > >> > >>> [email protected]> > > > >> > >>> > > > > > > >> > >>> > > >> > > Sent: Thu 22-Nov-2012 07:29 > > > >> > >>> > > >> > > To: user <[email protected] <mailto: > > > >> [email protected]> > > > >> > >>> > > > > >> > >>> > > >> > > Subject: Indexing-time URL filtering again > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > Dear List: > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > I asked a similar question before, but I haven't > > solved > > > >> the > > > >> > >>> problem. > > > >> > >>> > > >> > > Therefore I try to re-ask the question more clearly > > and > > > >> seek > > > >> > >>> advice. > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > I'm using nutch 1.5.1 and solr 3.6.1 together. Things > > > >> work > > > >> > >>> fine at > > > >> > >>> > > the > > > >> > >>> > > >> > > rudimentary level. > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > The basic problem I face in crawling/indexing is > > that I > > > >> need > > > >> > >>> to > > > >> > >>> > > control > > > >> > >>> > > >> > > which pages the crawlers should VISIT (so far through > > > >> > >>> > > >> > > nutch/conf/regex-urlfilter.txt) > > > >> > >>> > > >> > > and which pages are INDEXED by Solr. The latter are > > only > > > >> a > > > >> > >>> SUBSET of > > > >> > >>> > > >> the > > > >> > >>> > > >> > > former, and they are giving me headache. > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > A real-life example would be: when we crawl CNN.com, > > we > > > >> only > > > >> > >>> want to > > > >> > >>> > > >> index > > > >> > >>> > > >> > > "real content" pages such as > > > >> > >>> > > >> > > > > > >> > >>> > > > > > >> > >>> > > > >> > > http://www.cnn.com/2012/11/21/us/bin-laden-burial/index.html?hpt=hp_t1< > > > >> > >>> > > >> > > > >> > >>> > > > >> > > http://www.cnn.com/2012/11/21/us/bin-laden-burial/index.html?hpt=hp_t1> > > > >> > >>> > > . > > > >> > >>> > > >> > > When we start the crawling from the root, we can't > > > >> specify > > > >> > >>> tight > > > >> > >>> > > >> > > patterns (e.g., +^http://([a-z0-9]*\.)* > > > >> > >>> > > >> > > cnn.com/[0-9]{4}/[0-9]{2}/[0-9]{2}/..*< > > http://cnn.com/%5B0-9%5D%7B4%7D/%5B0-9%5D%7B2%7D/%5B0-9%5D%7B2%7D/..*> > > > >> < > > http://cnn.com/%5B0-9%5D%7B4%7D/%5B0-9%5D%7B2%7D/%5B0-9%5D%7B2%7D/..*>< > > > >> > >>> > > >> http://cnn.com/[0-9]{4}/[0-9]{2}/[0-9]{2}/..*> ) in > > > >> > >>> > > >> nutch/conf/regex-urlfilter.txt, > > > >> > >>> > > >> > > because the pages on the path between root and > > content > > > >> pages > > > >> > >>> do not > > > >> > >>> > > >> satisfy > > > >> > >>> > > >> > > such patterns. Putting such patterns in > > > >> > >>> > > nutch/conf/regex-urlfilter.txt > > > >> > >>> > > >> > > would severely jeopardize the coverage of the crawl. > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > The closest solution I've got so far (courtesy of > > > >> Markus) was > > > >> > >>> this: > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > nutch solrindex -Durlfilter.regex.file=/path > > > >> http://solrurl/< > > > >> > >>> > > >> http://solrurl/> ... > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > but unfortunately I haven't been able to make it > > work > > > >> for > > > >> > >>> me. The > > > >> > >>> > > >> content > > > >> > >>> > > >> > > of the urlfilter.regex.file is what I thought > > "correct" > > > >> --- > > > >> > >>> > > something > > > >> > >>> > > >> like > > > >> > >>> > > >> > > the following: > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > +^http://([a-z0-9]*\.)* > > > >> cnn.com/[0-9]{4}/[0-9]{2}/[0-9]{2}/..*< > > http://cnn.com/%5B0-9%5D%7B4%7D/%5B0-9%5D%7B2%7D/%5B0-9%5D%7B2%7D/..*> > > > >> < > > http://cnn.com/%5B0-9%5D%7B4%7D/%5B0-9%5D%7B2%7D/%5B0-9%5D%7B2%7D/..*>< > > > >> > >>> > > >> http://cnn.com/[0-9]{4}/[0-9]{2}/[0-9]{2}/..*> > > > >> > >>> > > >> > > -. > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > Everything seems quite straightforward. Am I doing > > > >> anything > > > >> > >>> wrong > > > >> > >>> > > >> here? Can > > > >> > >>> > > >> > > anyone advise? I'd greatly appreciate. > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > Joe > > > >> > >>> > > >> > > > > > >> > >>> > > >> > > > > >> > >>> > > >> > > > > >> > >>> > > >> > > > >> > >>> > > > > > >> > >>> > > > > > >> > >>> > > > > > >> > >>> > > -- > > > >> > >>> > > Lewis > > > >> > >>> > > > > > >> > >>> > > > > >> > >>> > > > >> > >> > > > >> > >> > > > >> > > > > > >> > > > > >> > > > > > > > > > > > > > >
