<
From version < 64.1 >
edited by Vincent Massol
on 2020/07/01
To version < 66.1 >
edited by Thomas Mortagne
on 2020/12/02
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.VincentMassol
1 +XWiki.ThomasMortagne
Content
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18 18  
19 19  XWiki does not fully work with MySQL versions 4.x or lower, due to several limitations of the way the SQL standards are implemented in MySQL, limited support for non-latin1 encodings, the flaky integration of Hibernate and MySQL 4, and other things. Most parts of the application work fine, but there are some parts that cannot be easily fixed, so if you must use MySQL 4.x, you're doing it on your own. MySQL 4 is pretty old and buggy so we recommend upgrading.
20 20  
21 +== MySQL versions older than 5.7 and utf8mb4 ==
22 +
23 +If you use utf8mb4 encoding you won't be able to use version of MySQL older than 5.7 out of the box because of a limitation in the default maximum size of the keys and the default row format.
24 +
21 21  = Installation Steps =
22 22  
23 23  Follow these instructions:
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122 122  * In the XWiki ##hibernate.cfg.xml## file in the ##hibernate.connection.serverTimezone## property (e.g. ##<property name="hibernate.connection.serverTimezone">Europe/Berlin</property>##).
123 123  * In the XWiki ##hibernate.cfg.xml## file inside the JDBC URL string as in ##jdbc:mysql:~/~/localhost:3306/myschema?serverTimezone=UTC##
124 124  
125 -{{code language='none'}}
129 +{{code language="none"}}
126 126  The server timezone value 'CDT' is unrecognized or represents more than one timezone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc timezone value if you want to utilize timezone support.
127 127  {{/code}}
128 128  

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