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https://issues.apache.org/jira/browse/TIKA-2789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16707251#comment-16707251
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Tim Allison commented on TIKA-2789:
-----------------------------------
Typically, there's a "caused by" set of stacktraces that come after what you
shared above that would tell us which class is missing.
Do you get the same error when you run Tika outside of tomcat? {{java -jar
tika-app.jar triggering_file.docx}}?
Is there a chance you have another version of POI somewhere on your classpath?
> Apache tika - java.lang.NoClassDefFoundError
> --------------------------------------------
>
> Key: TIKA-2789
> URL: https://issues.apache.org/jira/browse/TIKA-2789
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 1.19.1
> Reporter: Jawahar
> Priority: Minor
>
> I am running tomcat based server for attachment extraction using apache
> tika-app-jar-1.19.1.(https://www.apache.org/dyn/closer.cgi/tika/tika-app-1.19.1.jar)
> . while trying to extract docx files(not for all docx files,only some
> files), tika throws following exception. JDK version is 1.8.0_162.
> java.lang.NoClassDefFoundError: Could not initialize class
> org.openxmlformats.schemas.wordprocessingml.x2006.main.DocumentDocument at
> org.openxmlformats.schemas.wordprocessingml.x2006.main.DocumentDocument$Factory.parse(Unknown
> Source) at
> org.apache.poi.xwpf.usermodel.XWPFDocument.onDocumentRead(XWPFDocument.java:178)
> at org.apache.poi.ooxml.POIXMLDocument.load(POIXMLDocument.java:184) at
> org.apache.poi.xwpf.usermodel.XWPFDocument.(XWPFDocument.java:138) at
> org.apache.poi.xwpf.extractor.XWPFWordExtractor.(XWPFWordExtractor.java:60)
> at
> org.apache.poi.ooxml.extractor.ExtractorFactory.createExtractor(ExtractorFactory.java:228)
> at
> org.apache.tika.parser.microsoft.ooxml.OOXMLExtractorFactory.parse(OOXMLExtractorFactory.java:116)
> at
> org.apache.tika.parser.microsoft.ooxml.OOXMLParser.parse(OOXMLParser.java:110)
> at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280) at
> org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280) at
> org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:143) at
> org.apache.tika.Tika.parseToString(Tika.java:527)
> at org.apache.tika.Tika.parseToString(Tika.java:602)
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