2
votes
epubcheck error: mimetype entry missing or not the first in archive
zip -X0 ../myEPUB.epub mimetype
zip -9 -r ../myEPUB.epub META-INF OEBPS
another common error i was getting was extra characters in mimetype 'Mimetype file should only contain the string 'application/...
2
votes
How to run EpubCheck on Windows?
I've too developed a GUI for epubcheck. It's licensed under the GNU AGPLv3 or any later version, written in Java, translated into English and German so far, and it is capable of searching directories ...
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2
votes
epubcheck error: mimetype entry missing or not the first in archive
As the accepted answer states, the mimetype file should be stored uncompressed in the archive. For those looking for a programmatic way to validate and package an EPUB I recommend using the Java ...
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2
votes
Accepted
ePub validator is giving me errors. How can I address these reported errors?
Unfortunately, there's a lot more wrong than the errors listed. The first line needs to be (adding the question mark):
<?xml version="1.0" encoding="utf-8" standalone="no"?>
After you correct ...
- 4,574
1
vote
Why does EPUBCheck report warnings and errors for ISO8601 date-time string?
This happens because at least two parts of EPUBCheck dislike the ISO8601 timezone format in different ways. In the dc:date context, EPUBCheck is OK with "2020-12-09T14:06:40-07:00" but not ...
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1
vote
Accepted
What tag use is expected in an ePub toc.xhtml?
If you are not going to use a ncx, my answer is no, you don't need to change this xhtml file at all.
I'm going to guess here. ns:ncx means that you are using a namespace called "ncx." A namespace is ...
- 4,574
1
vote
CSS error in EPUB
I posted an issue at the epubcheck site.
Someone there knew right away what the problem was.
This is acceptable:
<p>Text <span class="red">red</span> regular.</p>
This is ...
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1
vote
The mimetype file has an extra field of length n. The use of the extra field feature of the ZIP format is not permitted for the mimetype file
I'm responsible for an attempt to improve this error message, see https://github.com/IDPF/epubcheck/pull/497 for details. Essentially your Zip packer puts some application or operating system specific ...
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1
vote
epubcheck error: mimetype entry missing or not the first in archive
Here are the steps I used to force the "mimetype" file to be the first in the EPUB archive using 7-Zip in Windows:
Make a copy of your EPUB (zip) file (e.g. MyBookCopy.epub), so to not ...
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1
vote
epubcheck error: mimetype entry missing or not the first in archive
7-zip sorts files by names
rename mimetype to ##mimetype
Add to archive... ##mimetype
Archive: book.zip
Archive format: zip
Compression level: Store
OK
Add to archive... the other folders META_INF ...
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Only top scored, non community-wiki answers of a minimum length are eligible