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		<title>Hibernate + MySQL5 (MappingException: JDBC type = -1)</title>
		<link>http://sidslog.wordpress.com/2008/07/09/hibernate-mysql5-mappingexception-jdbc-type-1/</link>
		<comments>http://sidslog.wordpress.com/2008/07/09/hibernate-mysql5-mappingexception-jdbc-type-1/#comments</comments>
		<pubDate>Wed, 09 Jul 2008 11:16:36 +0000</pubDate>
		<dc:creator>sidslog</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[compile]]></category>
		<category><![CDATA[hibernate]]></category>
		<category><![CDATA[jdbc type -1]]></category>
		<category><![CDATA[mappingexception]]></category>
		<category><![CDATA[mysql]]></category>

		<guid isPermaLink="false">http://sidslog.wordpress.com/2008/07/09/hibernate-mysql5-mappingexception-jdbc-type-1-2/</guid>
		<description><![CDATA[Проблема возникала при использовании Native Query в Jboss-4.2.2. В качестве БД использовалась MySQL 5.*. То есть при запуске запросов вида :

Query query =getEntityManager().createNativeQuery(&#171;SELECT agr.AGREEMENTID , enc.NAME\n&#187; +&#171;\tFROM GEL$DOC$AGREEMENT agr INNER JOIN GEL$DOC$AGR$ENCLOSURE enc ON (enc.AGREEMENTID = agr.AGREEMENTID)\n&#187; +&#171;UNION\n&#187; +&#171;SELECT template.TEMPLATEID, tenc.NAME\n&#187; +&#171;\tFROM GEL$DOC$TEMPLATE template INNER JOIN GEL$DOC$TPL$PARAGRAPH tenc ON (tenc.TEMPLATEID = template.TEMPLATEID)&#187;) ;Listobj = query.getResultList() [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=sidslog.wordpress.com&blog=3036223&post=19&subd=sidslog&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><p style="font-size:10pt;">Проблема возникала при использовании Native Query в Jboss-4.2.2. В качестве БД использовалась MySQL 5.*. То есть при запуске запросов вида :</p>
<p>
<p style="font-size:10pt;background-color:rgb(238, 238, 238);margin-left:25px;">Query query =getEntityManager().createNativeQuery(&laquo;SELECT agr.AGREEMENTID , enc.NAME\n&raquo; +<br />&laquo;\tFROM GEL$DOC$AGREEMENT agr INNER JOIN GEL$DOC$AGR$ENCLOSURE enc ON (enc.AGREEMENTID = agr.AGREEMEN<br />TID)\n&raquo; +<br />&laquo;UNION\n&raquo; +<br />&laquo;SELECT template.TEMPLATEID, tenc.NAME\n&raquo; +<br />&laquo;\tFROM GEL$DOC$TEMPLATE template INNER JOIN GEL$DOC$TPL$PARAGRAPH tenc ON (tenc.TEMPLATEID = templat<br />e.TEMPLATEID)&raquo;) ;<br />List<br />obj = query.getResultList() ;<br />)</p>
<p>
<p style="font-size:10pt;">падала ошибка:</p>
<p>
<p style="font-size:10pt;background-color:rgb(238, 238, 238);margin-left:25px;">ERROR [STDERR] javax.ejb.EJBException: javax.persistence.Persistenc<br />eException: org.hibernate.MappingException:<br />No Dialect mapping for JDBC type: -1</p>
<p>
<p style="font-size:10pt;">Проблема оказалась в использовании полей типа text, которые не мапятся в hibernate.<br />Решить проблему удалось, пересобрав hibernate, изменив в Mysql5Dialect метод registerVarcharTypes и добавив туда строки</p>
<p>
</p>
<p style="font-size:10pt;background-color:rgb(238, 238, 238);margin-left:25px;">registerColumnType(Types.LONGVARCHAR, 65535, &laquo;text&raquo;);<br />registerHibernateType(Types.LONGVARCHAR, 65535, &laquo;text&raquo;);</p>
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