Tento criar minha tabelas e dá o seguinte erro.
log4j:WARN No appenders could be found for logger (org.hibernate.cfg.annotations.Version).
log4j:WARN Please initialize the log4j system properly.
Exception in thread “main” org.hibernate.MappingException: Could not determine type for: biblioteca.Livro, at table: Emprestimo, for columns: [org.hibernate.mapping.Column(idLivro)]
at org.hibernate.mapping.SimpleValue.getType(SimpleValue.java:290)
at org.hibernate.mapping.Column.getSqlTypeCode(Column.java:164)
at org.hibernate.mapping.Column.getSqlType(Column.java:208)
at org.hibernate.mapping.Table.sqlCreateString(Table.java:419)
at org.hibernate.cfg.Configuration.generateSchemaCreationScript(Configuration.java:930)
at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:129)
at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:91)
at bibliotecaDAO.GeraTabelas.main(GeraTabelas.java:17)