java.lang.AbstractMethodError: org.postgresql.jdbc2.Jdbc2DatabaseMetaData.getJDB

[msyxingfu1314]

java.lang.AbstractMethodError: org.postgresql.jdbc2.Jdbc2DatabaseMetaData.getJDBCMajorVersion()I
用的hibernate和PostgreSQL 希望高手指点一下该怎么解决，谢谢了

Exception in thread "main" java.lang.AbstractMethodError: org.postgresql.jdbc2.Jdbc2DatabaseMetaData.getJDBCMajorVersion()I
at org.hibernate.engine.jdbc.JdbcSupportLoader.useContextualLobCreation(JdbcSupportLoader.java:78)
at org.hibernate.engine.jdbc.JdbcSupportLoader.loadJdbcSupport(JdbcSupportLoader.java:52)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:121)
at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2163)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2159)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1383)
at com.util.DBUtil.<clinit>(DBUtil.java:16)
at com.daos.impl.StudentDAOImpl.findById(StudentDAOImpl.java:48)
at test.Test.main(Test.java:39)

[fengxuegupo]

抽象方法错误...只给这个错误代码真的不成...DBUtil第16行看看