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ERROR(PKG-005) - Mimetype Has Extra Field
How to fix the "ERROR(PKG-005) - The mimetype file has an extra field of length 28 ..." error?
✍: FYIcenter.com
When you validate a EPUB 2.0 package with EpubCheck, you may see the following error:
C:\fyicenter> java -jar epubcheck.jar Error-Mimetype-Not-First-2.0.epub Validating using EPUB version 2.0.1 rules. ERROR(PKG-005): Error-Mimetype-Extra-Field-2.0.epub(-1,-1): The mimetype file has an extra field of length 28. The use of the extra field feature of the ZIP format is not permitted for the mimetype file. Check finished with errors Messages: 0 fatals / 1 error / 0 warnings / 0 infos EPUBCheck completed
Download Error-Mimetype-Extra-Field-2.0.epub. Unzip it on a Linux/Mac computer. You will see "mimetype" and other files restored with extra file attributes like /gid.
You can fix the error by re-build the EPUB package file by adding "mimetype" first without extra attributes with "zip -0X" commands on a Linex/Mac computer:
fyicenter$ zip -0X Hello-2.0.epub mimetype fyicenter$ zip -X Hello-2.0.epub META-INF fyicenter$ zip -X Hello-2.0.epub META-INF/container.xml fyicenter$ zip -X Hello-2.0.epub package.opf fyicenter$ zip -X Hello-2.0.epub navigation.xhmtl fyicenter$ zip -X Hello-2.0.epub content.xhtml
Note that "zip -0X" command means no compression and no extra attributes.
⇒ ERROR(OPF-030) - unique-identifier Not Found
⇐ ERROR(PKG-006) - Mimetype Not the First
2022-11-04, 755🔥, 0💬
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