[jboss-user] [JBoss jBPM] - PROBLEMS About the database of jBPM BPEL

hill i have a problem when i try to use the MySql as a datablase in jBPM BPEL insteadof HSQL database, The error information is org.hibernate.MappingException: No Dialect mapping for JDBC type: -1 at org.hibernate.dialect.TypeNames.get(TypeNames.java:56) at org.hibernate.dialect.TypeNames.get(TypeNames.java:81) at org.hibernate.dialect.Dialect.getTypeName(Dialect.java:255) at org.hibernate.mapping.Column.getSqlType(Column.java:182) at org.hibernate.mapping.Table.sqlCreateString(Table.java:383) at org.hibernate.cfg.Configuration.generateSchemaUpdateScript(Configuration.java:884) at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:140) at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:314) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1218) at org.jbpm.persistence.db.DbPersistenceServiceFactory.getSessionFactory(DbPersistenceServiceFactory.java:91) at org.jbpm.persistence.db.DbPersistenceService.getSessionFactory(DbPersistenceService.java:94) at org.jbpm.persistence.db.DbPersistenceService.getSession(DbPersistenceService.java:98) at org.jbpm.persistence.db.DbPersistenceService.getJobSession(DbPersistenceService.java:281) at org.jbpm.JbpmContext.getJobSession(JbpmContext.java:526) and i have set database informatio in jbpm-bpel-ds.xml | <connection-url>jdbc:mysql://localhost:3306/jbpm-bpel? | useUnicode=true&amp;characterEncoding=gb2312</connection-url> | <driver-class>com.mysql.jdbc.Driver</driver-class> | <user-name>root</user-name> | <password>571226</password> | | | i use the JBPM BPEL 1.0.1BETA 3 the jboss is JBOSS 4.0.5 GA ant the jdk is 1.5.0 thanks for you help!! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4046703#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...