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Author

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1		-XWiki.VincentMassol
	1	+XWiki.vmassol

Content

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1	1	1 MySQL Installation
2	2
	3	+1.1 Installation Steps
	4	+
3	3	Follow these instructions:
4	4
5	5	* Download and install [MySQL>http://www.mysql.com/]
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31	31	mysqld --console --max_allowed_packet=32M
32	32	{code}
33	33
	36	+1.1 Troubleshooting
	37	+
	38	+1.1.1 Field 'XWD_ARCHIVE' doesn't have a default value
	39	+
	40	+If you get an error like the one below it probably means you had an old XWiki version installed which had a wrong schema. We're normally automatically fixing schemas at startup when you set the <tt>xwiki.store.hibernate.updateschema</tt> configuration parameter in <tt>xwiki.cfg</tt> (it's set to on by default). However it's currently not done for this error as we need to investigate it more.
	41	+
	42	+{code:none}
	43	+Wrapped Exception: Could not execute JDBC batch update
	44	+[...]
	45	+Wrapped Exception:
	46	+java.sql.BatchUpdateException: Field 'XWD_ARCHIVE' doesn't have a default value
	47	+{code}
	48	+
	49	+To fix this run the following SQL command on your database:
	50	+
	51	+{code:sql}
	52	+alter table xwikidoc modify column XWD_ARCHIVE mediumtext null;
	53	+{code}