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https://issues.apache.org/jira/browse/TIKA-1864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15156790#comment-15156790
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Nick Burch commented on TIKA-1864:
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First up, I'd suggest you upgrade to Apache Tika 1.12, which is recently out
Secondly, as covered in the Apache POI FAQ
http://poi.apache.org/faq.html#faq-N1019C , all your Apache POI jars must be
from the same version. It's not possible to run with some old jars and some new
jars. You'll need to remove all of your old POI jars, in favour of the ones
Tika provides. If you were previously on 2.5.1 (12 years old! 12 years!
http://poi.apache.org/changes.html#2.5.1-FINAL), you'll need to recompile your
code against the newer jars. POI does try to be backwards compatible, but not
for releases from more than a decade ago...
> org.apache.poi.hssf.record.formula.UnaryPlusPtg package for tika-app-1.10
> -------------------------------------------------------------------------
>
> Key: TIKA-1864
> URL: https://issues.apache.org/jira/browse/TIKA-1864
> Project: Tika
> Issue Type: Test
> Affects Versions: 1.10
> Reporter: Mohammed Manna
> Priority: Critical
> Labels: hssf, poi, ss
>
> Hello,
> Due to legacy code issues, I had to remove POI-2.5.1-Final from my build path
> as I was told that tika-app-1.10 will have all the necessary POI files for
> the project. But them I got a build error in my ant script that said
> `org.apache.poi.hssf.record.formula.UnaryPlusPtg' is missing from the build
> path. I found out that the class is also in
> `org.apache.poi.ss.formula.ptg.UnaryPlusPtg'. Can I replace them or is it
> something I need a separate package for?
> KR,
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