Sebastian Nagel created NUTCH-2891:
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Summary: Upgrade to Tika 2.1
Key: NUTCH-2891
URL: https://issues.apache.org/jira/browse/NUTCH-2891
Project: Nutch
Issue Type: Improvement
Components: parser, plugin
Affects Versions: 1.18
Reporter: Sebastian Nagel
Assignee: Sebastian Nagel
Fix For: 1.19
There's already the second release of Tika 2
([2.1.0|https://tika.apache.org/2.1.0/index.html]). Following the [2.0 release
notes|https://archive.apache.org/dist/tika/2.0.0/CHANGES-2.0.0.txt] and the
[migration
guide|https://cwiki.apache.org/confluence/display/TIKA/Migrating+to+Tika+2.0.0]:
* Tika 2 is more modular which should allow us to build a smaller parse-tika
(66 MiB in the 1.18 binary package) by dropping rarely used parsers - but users
should be able to include them if they build Nutch from the sources.
* the language-identifier plugin needs to be upgraded as well (in addition to
Nutch core and the parse-tika plugin). This would include or overlap with
NUTCH-2449.
* to avoid that the PDF parser times out we probably want to disable the OCR by
default, or at least, provide the configuration snippet for this purpose
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