Java 处理复杂联接查询时发生异常_Java_Database_Hibernate_Jdbc

Java 处理复杂联接查询时发生异常

java database hibernate jdbc

Java 处理复杂联接查询时发生异常,java,database,hibernate,jdbc,Java,Database,Hibernate,Jdbc,以下例外情况的含义是什么：当hibernate方言无法为相应的数据库列找到相应的java数据类型时，就会出现此错误。再次执行列兼容性检查 javax.persistence.PersistenceException: org.hibernate.MappingException: No Dialect mapping for JDBC type: -9 at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractE

以下例外情况的含义是什么：

当hibernate方言无法为相应的数据库列找到相应的java数据类型时，就会出现此错误。再次执行列兼容性检查

javax.persistence.PersistenceException: org.hibernate.MappingException: No Dialect mapping for JDBC type: -9
  at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1763)
  at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1677)
  at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:458)

Caused by: org.hibernate.MappingException: No Dialect mapping for JDBC type: -9
    at org.hibernate.dialect.TypeNames.get(TypeNames.java:87)
    at org.hibernate.dialect.TypeNames.get(TypeNames.java:118)
    at org.hibernate.dialect.Dialect.getHibernateTypeName(Dialect.java:653)