quarta-feira, 22 de dezembro de 2010

HibernateException: 'hibernate.dialect'

Aconteceu comigo o erro:

Caused by: org.hibernate.HibernateException: 'hibernate.dialect' must be set when no Connection available

Para resolver apenas coloquei o trecho abaixo dentro da tag persistence-unit do arquivo persistence.xml:

<properties>
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
<properties>

Isso foi para um banco MySQL, para outros bancos segue a lista:
RDBMS                 Dialect
DB2 org.hibernate.dialect.DB2Dialect
DB2 AS/400 org.hibernate.dialect.DB2400Dialect
DB2 OS390 org.hibernate.dialect.DB2390Dialect
PostgreSQL org.hibernate.dialect.PostgreSQLDialect
MySQL org.hibernate.dialect.MySQLDialect
MySQL with InnoDB org.hibernate.dialect.MySQLInnoDBDialect
MySQL with MyISAM org.hibernate.dialect.MySQLMyISAMDialect
Oracle (any version) org.hibernate.dialect.OracleDialect
Oracle 9i org.hibernate.dialect.Oracle9iDialect
Oracle 10g org.hibernate.dialect.Oracle10gDialect
Sybase org.hibernate.dialect.SybaseDialect
Sybase Anywhere org.hibernate.dialect.SybaseAnywhereDialect
Microsoft SQL Server org.hibernate.dialect.SQLServerDialect
SAP DB org.hibernate.dialect.SAPDBDialect
Informix org.hibernate.dialect.InformixDialect
HypersonicSQL org.hibernate.dialect.HSQLDialect
Ingres org.hibernate.dialect.IngresDialect
Progress org.hibernate.dialect.ProgressDialect
Mckoi SQL org.hibernate.dialect.MckoiDialect
Interbase org.hibernate.dialect.InterbaseDialect
Pointbase org.hibernate.dialect.PointbaseDialect
FrontBase org.hibernate.dialect.FrontbaseDialect
Firebird org.hibernate.dialect.FirebirdDialect

Mais detalhes em: http://docs.jboss.org/hibernate/core/3.3/reference/en/html/session-configuration.html

É isso aí!

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