Question

java.lang.AbstractMethodError

java.lang.AbstractMethodError
at org.apache.commons.dbcp.DelegatingPreparedStatement.setBinaryStream(DelegatingPreparedStatement.java:318)
at org.apache.commons.dbcp.DelegatingPreparedStatement.setBinaryStream(DelegatingPreparedStatement.java:318)
at org.hibernate.type.descriptor.sql.BlobTypeDescriptor$5$1.doBind(BlobTypeDescriptor.java:133)
at org.hibernate.type.descriptor.sql.BlobTypeDescriptor$2$1.doBind(BlobTypeDescriptor.java:90)
at org.hibernate.type.descriptor.sql.BasicBinder.bind(BasicBinder.java:93)
at org.hibernate.type.AbstractStandardBasicType.nullSafeSet(AbstractStandardBasicType.java:280)
at org.hibernate.type.AbstractStandardBasicType.nullSafeSet(AbstractStandardBasicType.java:275)
at org.hibernate.type.AbstractSingleColumnStandardBasicType.nullSafeSet(AbstractSingleColumnStandardBasicType.java:57)
at org.hibernate.persister.entity.AbstractEntityPersister.dehydrate(AbstractEntityPersister.java:2786)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3064)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3509)
at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:88)
我用了最近的JDBC的库，不知道为什么会出现这个问题···求大神指导·········

Answer 1

看异常猜测你是通过JDBC库往数据库写入blob字段值的吧，blob字段写入的时候不能直接写在insert语句里，insert的时候blob字段要配个empty_blob()替代，然后在修改刚刚写入的数据，通过二进制流写入blob字段值，具体的代码百度一下有很多