Hi Uwe,
Thanks for the answer, but it looks like it does not work on my machine.
I use Mac OS 10.10.3, tesseract is installed through homebrew, and tested
with the same file I post to solr.
I think tesseract is on path since I run this command successfully: "tesseract
test_tesseract.png output"
On command line, I got correct result (output is the correct content of the
image), but when I upload to solr, the content is only some new line
characters. (I used
About log file, I did not see anything abnormal in solr log file (nothing
abnormal after my POST request), am I missing another log file?
With best regards,
Trung.
On Mon, Apr 27, 2015 at 9:34 PM, Uwe Schindler <u...@thetaphi.de> wrote:
> Hi,
> TIKA OCR is definitely working automatically with Solr 5.x.
>
> It is just important to install TesseractOCR on path (which is a native
> tool that does the actual work). On Ubuntu Linux, this should be quite
> simple ("apt-get install tesseract-ocr" or like that). You may also need to
> ainstall additional language for better results.
>
> Unless you are on a Turkish localized machine (which causes a bug in the
> JDK on spawning external processes) and the native tools are installed, it
> should work OOB, no configuration needed. Please also check log files.
>
> Uwe
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: u...@thetaphi.de
>
>
> > -----Original Message-----
> > From: Allison, Timothy B. [mailto:talli...@mitre.org]
> > Sent: Monday, April 27, 2015 4:27 PM
> > To: u...@tika.apache.org
> > Cc: trung...@anlab.vn; solr-user@lucene.apache.org
> > Subject: FW: TIKA OCR not working
> >
> > Trung,
> >
> > I haven't experimented with our OCR parser yet, but this should give a
> good
> > start: https://wiki.apache.org/tika/TikaOCR .
> >
> > Have you installed tesseract?
> >
> > Tika colleagues,
> > Any other tips? What else has to be configured and how?
> >
> > -----Original Message-----
> > From: trung.ht [mailto:trung...@anlab.vn]
> > Sent: Friday, April 24, 2015 11:22 PM
> > To: solr-user@lucene.apache.org
> > Subject: Re: TIKA OCR not working
> >
> > HI everyone,
> >
> > Does anyone have the answer for this problem :)?
> >
> >
> > I saw the document of Tika. Tika 1.7 support OCR and Solr 5.0 use Tika
> 1.7,
> > > but it looks like it does not work. Does anyone know that TIKA OCR
> > > works automatically with Solr or I have to change some settings?
> > >
> > >>
> > Trung.
> >
> >
> > > It's not clear if OCR would happen automatically in Solr Cell, or if
> > >> changes to Solr would be needed.
> > >>
> > >> For Tika OCR info, see:
> > >>
> > >> https://issues.apache.org/jira/browse/TIKA-93
> > >> https://wiki.apache.org/tika/TikaOCR
> > >>
> > >>
> > >>
> > >> -- Jack Krupansky
> > >>
> > >> On Thu, Apr 23, 2015 at 9:14 AM, Alexandre Rafalovitch <
> > >> arafa...@gmail.com>
> > >> wrote:
> > >>
> > >> > I think OCR is in Tika 1.8, so might be in Solr 5.?. But I haven't
> > >> > seen
> > >> it
> > >> > in use yet.
> > >> >
> > >> > Regards,
> > >> > Alex
> > >> > On 23 Apr 2015 10:24 pm, "Ahmet Arslan" <iori...@yahoo.com.invalid>
> > >> wrote:
> > >> >
> > >> > > Hi Trung,
> > >> > >
> > >> > > I didn't know about OCR capabilities of tika.
> > >> > > Someone who is familiar with sold-cell can inform us whether this
> > >> > > functionality is added to solr or not.
> > >> > >
> > >> > > Ahmet
> > >> > >
> > >> > >
> > >> > >
> > >> > > On Thursday, April 23, 2015 2:06 PM, trung.ht <trung...@anlab.vn>
> > >> wrote:
> > >> > > Hi Ahmet,
> > >> > >
> > >> > > I used a png file, not a pdf file. From the document, I
> > >> > > understand
> > >> that
> > >> > > solr will post the file to tika, and since tika 1.7, OCR is
> included.
> > >> Is
> > >> > > there something I misunderstood.
> > >> > >
> > >> > > Trung.
> > >> > >
> > >> > >
> > >> > > On Thu, Apr 23, 2015 at 5:59 PM, Ahmet Arslan
> > >> <iori...@yahoo.com.invalid
> > >> > >
> > >> > > wrote:
> > >> > >
> > >> > > > Hi Trung,
> > >> > > >
> > >> > > > solr-cell (tika) does not do OCR. It cannot exact text from
> > >> > > > image
> > >> based
> > >> > > > pdfs.
> > >> > > >
> > >> > > > Ahmet
> > >> > > >
> > >> > > >
> > >> > > >
> > >> > > > On Thursday, April 23, 2015 7:33 AM, trung.ht
> > >> > > > <trung...@anlab.vn>
> > >> > wrote:
> > >> > > >
> > >> > > >
> > >> > > >
> > >> > > > Hi,
> > >> > > >
> > >> > > > I want to use solr to index some scanned document, after
> > >> > > > settings
> > >> solr
> > >> > > > document with a two field "content" and "filename", I tried to
> > >> upload
> > >> > the
> > >> > > > attached file, but it seems that the content of the file is
> > >> > > > only
> > >> "\n \n
> > >> > > > \n....".
> > >> > > > But if I used the tesseract from command line I got the result
> > >> > correctly.
> > >> > > >
> > >> > > > The log when solr receive my request:
> > >> > > > -----------
> > >> > > > INFO - 2015-04-23 03:49:25.941;
> > >> > > > org.apache.solr.update.processor.LogUpdateProcessor;
> > >> > > > [collection1] webapp=/solr path=/update/extract
> > >> > > > params={literal.groupid=2&json.nl
> > >> > > =flat&
> > >> > > > resource.name=phplNiPrs&literal.id
> > >> > > >
> > >> > >
> > >> >
> > >>
> > =4&commit=true&extractOnly=false&literal.historyid=4&omitHeader=true&
> > >> literal.userid=3&literal.createddate=2015-04-22T15:00:00Z&fmap.conten
> > >> t=content&wt=json&literal.filename=\\trunght\test\tesseract_3.png}
> > >> > > >
> > >> > > > ------------
> > >> > > >
> > >> > > > The document when I check on solr admin page:
> > >> > > > -------------
> > >> > > > { "groupid": 2, "id": "4", "historyid": 4, "userid": 3,
> > >> "createddate":
> > >> > > > "2015-04-22T15:00:00Z", "filename":
> > >> > "\\\\trunght\\test\\tesseract_3.png",
> > >> > > > "autocomplete_text": [ "\\\\trunght\\test\\tesseract_3.png" ],
> > >> > > "content": "
> > >> > > > \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
> > >> > > > \n
> > >> \n
> > >> > \n
> > >> > > > \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
> > >> > > > \n
> > >> \n
> > >> > ",
> > >> > > > "_version_": 1499213034586898400 }
> > >> > > >
> > >> > > > -----------
> > >> > > >
> > >> > > > Since I am a solr newbie I do not know where to look, can
> > >> > > > anyone
> > >> give
> > >> > me
> > >> > > > an advice for where to look for error or settings to make it
> work.
> > >> > > > Thanks in advanced.
> > >> > > >
> > >> > > > Trung.
> > >> > > >
> > >> > >
> > >> >
> > >>
> > >
> > >
>
>
