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Product Version = NetBeans IDE 7.1.2 (Build 201204101705) Operating System = Windows 7 version 6.1 running on amd64 Java; VM; Vendor = 1.7.0_05 Runtime = Java HotSpot(TM) 64-Bit Server VM 23.1-b03 Banco de Dados = Sql Server 2008 Hibernet 4.1.4 Jul 03, 2012 9:32:21 PM org.hibernate.annotations.common.Version <clinit> INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final} Jul 03, 2012 9:32:21 PM org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {4.1.4.Final} Jul 03, 2012 9:32:21 PM org.hibernate.cfg.Environment <clinit> INFO: HHH000206: hibernate.properties not found Jul 03, 2012 9:32:21 PM org.hibernate.cfg.Environment buildBytecodeProvider INFO: HHH000021: Bytecode provider name : javassist Exception in thread "AWT-EventQueue-0" javax.persistence.PersistenceException: No Persistence provider for EntityManager named ProdutoBean at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:69) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47)
please reopen with some details: what was done in ide: what project type, actions and when this exception appear. also good to have sample project if possible as it may be specific configuration dependent.