Encoding::UndefinedConversionError: "\xC2" from ASCII-8BIT to UTF-8

Question

I received the following error upon saving a new contact. Is there a way to cast "\xC2" so that it can be forced to be saved in the UTF-8 format?

c = Contact.new
c.save!

Encoding::UndefinedConversionError: "\xC2" from ASCII-8BIT to UTF-8: INSERT INTO "contacts" ("body", "created_at", "email", "updated_at") VALUES (?, ?, ?, ?)

score 22 · Accepted Answer · edited May 23 '17 at 12:32

22

Your string is in some other encoding, most likely iso-8859-1, so you should run this to convert it:

"\xC2".encode("iso-8859-1").force_encoding("utf-8")
=> "Ã"

See this question for more information related to this issue.

edited May 23 '17 at 12:32

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answered Sep 21 '13 at 04:20

jvperrin

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Was flailing around converting some code that used HtmlEntities from 1.8.7 to 1.9.3 — This helped. Thanks! – Subimage Dec 28 '13 at 09:28

score 4 · Answer 2 · answered Sep 20 '14 at 23:56

For what it's worth, I had this issue pop up when I read in a code file that had the degree symbol (°) in a comment. Upon encoding it for json, ruby became incredibly unhappy.

What threw me for a loop was that there wasn't a "Ã" character in the code, so it's just something to keep in mind.

Encoding::UndefinedConversionError: "\xC2" from ASCII-8BIT to UTF-8

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