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https://issues.apache.org/jira/browse/TIKA-3102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17106345#comment-17106345
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Henning Vogt commented on TIKA-3102:
------------------------------------
Also found this:
{code:java}
How come I am getting gibberish(G38G43G36G51G5) when extracting text?This is
because the characters in a PDF document can use a custom encoding instead of
unicode or ASCII. When you see gibberish text then it probably means that a
meaningless internal encoding is being used. The only way to access the text is
to use OCR. This may be a future enhancement.
{code}
[https://pdfbox.apache.org/2.0/faq.html#how-come-i-am-getting-gibberishg38g43g36g51g5-when-extracting-text]
> Unmappable chars for PDF
> ------------------------
>
> Key: TIKA-3102
> URL: https://issues.apache.org/jira/browse/TIKA-3102
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 1.21, 1.24
> Reporter: Henning Vogt
> Priority: Major
>
> Parsing PDF produces almost no output, even though the PDF is perfectly
> readable in adobe pdf reader. In adobe pdf reader, if you select a part of
> the text, and copy it, it's also byte garbage, like the output in tika.
> PDF File:
> [https://s21.q4cdn.com/317678438/files/doc_financials/Annual/2018/2018-Financial-Report.pdf]
> I can't attach the file here directly, sorry.
> Error log:
> {code:java}
> 2020-05-13 08:25:53,008 WARN [pool-6-thread-1]
> o.a.pdfbox.pdmodel.font.PDSimpleFont No Unicode mapping for MT55 (30) in font
> JPGAGL+Helvetica-Bold
> 2020-05-13 08:25:53,008 WARN [pool-6-thread-1]
> o.a.pdfbox.pdmodel.font.PDSimpleFont No Unicode mapping for MT79 (31) in font
> JPGAGL+Helvetica-Bold
> .
> .
> . (goes on for ~6500 lines, also with a different font){code}
>
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