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Re: execute failed: Incorrect string value: '\xD6sterl...' with mariadb and perl DBD


Hi Felipe,

On 6/19/19 1:59 PM, Felipe Gasper wrote:
It looks like your input, with “Ö” as a single byte \xd6, is not
UTF-8. Any Unicode code point above 127 requires at least 2 bytes in
UTF-8. So if MySQL is expecting UTF-8, it may be choking on what it
sees as invalid input.

It's from an email with the following:

Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

Do you have any recommendations for fixing it? I can't imagine this is the first time it's been encountered. I thought about escaping or encoding it, but I don't think joomla would know to decode it.

I also found this reference, which points to making changes to the tables and columns, but it's like seven years old:


Is this still relevant? If so, is there a way to automate the changes? There are dozens of tables...



On Jun 19, 2019, at 1:56 PM, Dave Wreski
<dwreski@xxxxxxxxxxxxxxxxxxx> wrote:


I'm trying to use perl-DBD to write a buffer of text that contains
an email with umlauts and other non-ASCII characters to a joomla
database and having a problem.

DBD::mysql::st execute failed: Incorrect string value:
'\xD6sterl...' for column `lsv5webstage`.`xuxgc_content`.`fulltext`
at row 1 at /home/alerts/scripts_linstage/AdvisoryTest.pm line

I'm not familiar enough with how encoding works to fully understand
what the problem is. This is a fedora29 system with mariadb-10.3.12
and joomla-3.9.

Apparently the '\xD6' is an O with an umlaut in "Sebastian
�sterlund". I read something about utf8 not being able to handle
4-char, but I don't fully understand.

I found the following reference online which talks about changing
the encoding type from utf8 to utf8mb4, but the tables all appear
to already be using that encoding:

SHOW VARIABLES WHERE Variable_name LIKE 'character\_set\_%' OR
Variable_name LIKE 'collation%'; +--------------------------+--------------------+ | Variable_name | Value | +--------------------------+--------------------+ |
character_set_client     | utf8mb4            | |
character_set_connection | utf8mb4            | |
character_set_database   | utf8mb4            | |
character_set_filesystem | binary             | |
character_set_results    | utf8mb4            | |
character_set_server     | utf8mb4            | |
character_set_system     | utf8               | |
collation_connection     | utf8mb4_unicode_ci | |
collation_database       | utf8mb4_unicode_ci | | collation_server
| utf8mb4_unicode_ci | +--------------------------+--------------------+

execute failed: Incorrect string value: '\xD6sterl...' with mariadb
and perl DBD a novice perl programmer I'm not sure it's helpful,
but this is the insert statement I'm using in my perl code:

my $sql                 = <<EOF; INSERT INTO xuxgc_content (title,
alias, introtext, `fulltext`, state, catid, created, created_by,
created_by_alias, modified, modified_by, checked_out,
checked_out_time, publish_up, publish_down, images, urls, attribs,
version, ordering, metakey, metadesc, metadata, access, hits,
language) VALUES ($title, "$title_alias", $introText, $fullText,
$state, $catid, $created, $created_by, $created_by_alias,
$modified, $modified_by, $checked_out, $checked_out_time,
$publish_up, $publish_down, $images, $urls, $attribs, $version,
$ordering, $metakey, $metadesc, $metadata, $access, $hits,
$language); EOF

my $sth = $dbh->prepare($sql); $sth->execute(); db_disconnect($dbh);

I don't recall having this problem in the past, and this script has
been in use for quite a while.

What am I doing wrong?

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