could not fetch initial value for increment gener 错误.在网上找了很久,终于找到了解决方案,把increment换成identity,就OK了!
原来是:
<id name="id" type="java.lang.Integer">
<column name="id" />
<generator class="increment" />
</id>
修改为:
<id name="id" type="java.lang.Integer">
<column name="id" />
<generator class="identity" />
</id>
运行成功!