高手指点！急！急！

我用JBPM4和oracle10g做OA的工作流，现在已经把JBPM4整合到MyEclipse里，在部署JBPM4是出现异常：
我在oracle里建立序列和触发器，让JBPM4的数据库字段DBID_自动增长，又报这个异常[b]：[/b]
Hibernate: select hibernate_sequence.nextval from dual
Hibernate: select hibernate_sequence.nextval from dual
Hibernate: insert into JBPM4_DEPLOYMENT (NAME_, TIMESTAMP_, STATE_, DBID_) values (?, ?, ?, ?)
Hibernate: insert into JBPM4_LOB (DBVERSION_, BLOB_VALUE_, DBID_) values (?, ?, ?)
Hibernate: update JBPM4_LOB set DEPLOYMENT_=?, NAME_=? where DBID_=?
Hibernate: select deployment1_.OBJNAME_ as col_0_0_, deployment1_.DEPLOYMENT_ as col_1_0_ from JBPM4_DEPLOYMENT deployment0_, JBPM4_DEPLOYPROP deployment1_, JBPM4_DEPLOYPROP deployment2_, JBPM4_DEPLOYPROP deployment3_ where deployment1_.KEY_=\'pdid\' and deployment1_.DEPLOYMENT_=deployment0_.DBID_ and deployment2_.KEY_=\'pdkey\' and deployment2_.OBJNAME_=deployment1_.OBJNAME_ and deployment2_.DEPLOYMENT_=deployment0_.DBID_ and deployment3_.KEY_=\'pdversion\' and deployment3_.OBJNAME_=deployment1_.OBJNAME_ and deployment3_.DEPLOYMENT_=deployment0_.DBID_ and deployment1_.OBJNAME_=\'aa\'
Hibernate: select deployment1_.OBJNAME_ as col_0_0_, deployment1_.DEPLOYMENT_ as col_1_0_ from JBPM4_DEPLOYMENT deployment0_, JBPM4_DEPLOYPROP deployment1_, JBPM4_DEPLOYPROP deployment2_, JBPM4_DEPLOYPROP deployment3_ where deployment1_.KEY_=\'pdid\' and deployment1_.DEPLOYMENT_=deployment0_.DBID_ and deployment2_.KEY_=\'pdkey\' and deployment2_.OBJNAME_=deployment1_.OBJNAME_ and deployment2_.DEPLOYMENT_=deployment0_.DBID_ and deployment3_.KEY_=\'pdversion\' and deployment3_.OBJNAME_=deployment1_.OBJNAME_ and deployment3_.DEPLOYMENT_=deployment0_.DBID_ and deployment2_.STRINGVAL_=\'aa\'
Hibernate: select * from ( select deployment1_.OBJNAME_ as col_0_0_, deployment1_.DEPLOYMENT_ as col_1_0_ from JBPM4_DEPLOYMENT deployment0_, JBPM4_DEPLOYPROP deployment1_, JBPM4_DEPLOYPROP deployment2_, JBPM4_DEPLOYPROP deployment3_ where deployment1_.KEY_=\'pdid\' and deployment1_.DEPLOYMENT_=deployment0_.DBID_ and deployment2_.KEY_=\'pdkey\' and deployment2_.OBJNAME_=deployment1_.OBJNAME_ and deployment2_.DEPLOYMENT_=deployment0_.DBID_ and deployment3_.KEY_=\'pdversion\' and deployment3_.OBJNAME_=deployment1_.OBJNAME_ and deployment3_.DEPLOYMENT_=deployment0_.DBID_ and deployment2_.STRINGVAL_=\'aa\' order by deployment3_.LONGVAL_ desc ) where rownum <= ?
Hibernate: select deployment1_.OBJNAME_ as col_0_0_, deployment1_.DEPLOYMENT_ as col_1_0_ from JBPM4_DEPLOYMENT deployment0_, JBPM4_DEPLOYPROP deployment1_, JBPM4_DEPLOYPROP deployment2_, JBPM4_DEPLOYPROP deployment3_ where deployment1_.KEY_=\'pdid\' and deployment1_.DEPLOYMENT_=deployment0_.DBID_ and deployment2_.KEY_=\'pdkey\' and deployment2_.OBJNAME_=deployment1_.OBJNAME_ and deployment2_.DEPLOYMENT_=deployment0_.DBID_ and deployment3_.KEY_=\'pdversion\' and deployment3_.OBJNAME_=deployment1_.OBJNAME_ and deployment3_.DEPLOYMENT_=deployment0_.DBID_ and deployment1_.STRINGVAL_=\'aa-1\'
Hibernate: select hibernate_sequence.nextval from dual
Hibernate: select hibernate_sequence.nextval from dual
Hibernate: select hibernate_sequence.nextval from dual
Hibernate: select hibernate_sequence.nextval from dual
2009-11-20 22:24:10 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet default threw exception
org.hibernate.id.IdentifierGenerationException: this id generator generates long, integer, short or string
at org.hibernate.id.IdentifierGeneratorFactory.get(IdentifierGeneratorFactory.java:116)
at org.hibernate.id.SequenceGenerator.generate(SequenceGenerator.java:101)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:122)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:562)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:550)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:546)