No OCR plugins in Nutch, unfortunately.

 Otis
--
Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch


----- Original Message ----
> From: POIRIER David <[EMAIL PROTECTED]>
> To: [email protected]
> Sent: Friday, May 16, 2008 10:48:00 AM
> Subject: RE: unable to correctly fetch https pages
> 
> Analysing the nutch sh script I found that the classes are actually read
> inside the job file, in my case the nutch-0.9.job file. Though I haven't
> figured out why this archive also contains the /plugin repository and
> all the files found in the ./conf directory, the patch did its work and
> I don't have the "MultiReader.java:113" error anymore.
> 
> I still have one question: I have a few pdfs files that I'd like to
> crawl that are images of scan documents. Is there a plugin that has
> someking of OCR text extraction tool?
> 
> Good week-end to all of you,
> 
> David
> 
> 
> 
> 
> 
> -----Original Message-----
> From: POIRIER David [mailto:[EMAIL PROTECTED] 
> Sent: vendredi, 16. mai 2008 12:47
> To: [email protected]
> Subject: RE: unable to correctly fetch https pages
> 
> Vijav,
> 
> I did a few things the right way this time, I think. First I created an
> eclipse project containing all the sources. Second I downloaded the
> patch we were talking about and instead of applying it using the patch
> command, it wasn't recognized by cygwin, I simply did the changes myself
> in the source code. Then, using the jar Ant command I rebuilt a
> nutch-0.9.jar archive.
> 
> I just want to confirm something with you: When using the bin/crawl
> command, the needed archive is the jar file, nutch-0.9.jar in my case,
> available in the $NUTCH_HOME directory?
> 
> Again, thank you,
> 
> David
> 
> 
> -----Original Message-----
> From: Vijay Krishnan [mailto:[EMAIL PROTECTED] 
> Sent: vendredi, 16. mai 2008 10:51
> To: [email protected]
> Subject: Re: unable to correctly fetch https pages
> 
> I haven't checked out the latest trunk, so no idea about this error.
> 
> 
> Vijay
> 
> On Fri, May 16, 2008 at 1:49 AM, POIRIER David
> wrote:
> > Hello,
> >
> > Thanks Vijay.
> >
> > I downloaded the last trunk and deployed it on my Windows system (I'm
> > using cygwin to interact with Nutch). I took back my modified conf
> files
> > and added my custom plugins into the plugin directory. But things are
> > not working... When I try to lunch a crawl I get the following error:
> >
> > Injector: Converting injected urls to crawl db entries.
> > Exception in thread "main" java.io.IOException: Failed to get the
> > current user's information: Login failed: bash:
> > /cygdrive/c/cygwin/bin/groups: /bin/sh: bad interpreter: No such file
> or
> > directory
> >
> >        at
> > org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:466)
> >        at
> org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:805)
> >        at org.apache.nutch.crawl.Injector.inject(Injector.java:157)
> >        at org.apache.nutch.crawl.Crawl.main(Crawl.java:113)
> >
> >
> > Af if it was looking for /bin/sh. Any idea what this might be?
> >
> > Thank you,
> >
> > David
> >
> >
> >
> >
> > -----Original Message-----
> > From: Vijay Krishnan [mailto:[EMAIL PROTECTED]
> > Sent: vendredi, 16. mai 2008 01:11
> > To: [email protected]
> > Subject: Re: unable to correctly fetch https pages
> >
> > Yes, you can get Nutch out of the trunk or apply the following patch:
> >
> >
> http://www.mail-archive.com/[EMAIL PROTECTED]/msg12
> > 893.html
> >
> >    I had the same problem and this patch handled it.
> >
> >
> > Vijay
> >
> > On Thu, May 15, 2008 at 9:16 AM,  wrote:
> >> I would just get Nutch out of the trunk - it's quite stable.
> >>
> >>
> >>  Otis
> >>  --
> >>  Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch
> >>
> >>
> >>
> >>
> >>  ----- Original Message ----
> >>  > From: POIRIER David 
> >>  > To: [email protected]
> >>  > Sent: Thursday, May 15, 2008 11:11:28 AM
> >>  > Subject: unable to correctly fetch https pages
> >>  >
> >>  > Hello,
> >>  >
> >>  >
> >>  >
> >>  > I'm trying to fetch a web site using the https protocol. I'm using
> > Nutch
> >>  > version 0.9 and I activated the protocol-httpclient plugin. The
> > hadoop
> >>  > logs are set in debug mode.
> >>  >
> >>  >
> >>  >
> >>  > When checking the logs I can see that my seed url seems to be
> > fetch:
> >>  >
> >>  > "2008-05-15 12:19:04,341 INFO  fetcher.Fetcher - fetching
> >>  > https://www.aWebSite.xyz/aPage.htm";
> >>  >
> >>  >
> >>  >
> >>  > But none of the links on this page are actually found and the
> > process
> >>  > finally crash with the following error:
> >>  >
> >>  >
> >>  >
> >>  > java.lang.ArrayIndexOutOfBoundsException: -1
> >>  >
> >>  >             at
> >>  >
> org.apache.lucene.index.MultiReader.isDeleted(MultiReader.java:113)
> >>  >
> >>  >             at
> >>  >
> >
> org.apache.nutch.indexer.DeleteDuplicates$InputFormat$DDRecordReader.nex
> >>  > t(DeleteDuplicates.java:176)
> >>  >
> >>  >             at
> > org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
> >>  >
> >>  >             at
> > org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
> >>  >
> >>  >             at
> > org.apache.hadoop.mapred.MapTask.run(MapTask.java:175)
> >>  >
> >>  >             at
> >>  >
> >
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:126)
> >>  >
> >>  >
> >>  >
> >>  > I am 100% certain that the links on the seed page are not excluded
> >>  > because of the regex rules used by the urlfilter-regex plugin. I
> > tried
> >>  > using the urlfilter-prefix and the urlfilter-suffix plugin, I
> > wasn't
> >>  > luckier.
> >>  >
> >>  >
> >>  >
> >>  > I found that a bug (NUTCH-593) generating the same error was fixed
> > by
> >>  > Andrzej Bialecki in February, could this fix help me? What is the
> >>  > easiest way for me to get this fix without actually using the
> > complete,
> >>  > and I guess still unstable, version 1.0 of Nutch?
> >>  >
> >>  >
> >>  >
> >>  > Thanks,
> >>  >
> >>  >
> >>  >
> >>  > David
> >>
> >>
> >
> >
> >
> > --
> > Vijay Krishnan
> > Founder, Infoaxe Inc.
> > http://www.cs.stanford.edu/~vijayk
> > http://www.infoaxe.com/hiring.html
> >
> 
> 
> 
> -- 
> Vijay Krishnan
> Founder, Infoaxe Inc.
> http://www.cs.stanford.edu/~vijayk
> http://www.infoaxe.com/hiring.html

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