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我想为hibernate编写一个简单的代码。我正在使用SQL Server 2012作为数据库。Hiibernate:java.lang.ClassCastException:java.lang.String不能转换为java.lang.Integer
java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer
at org.hibernate.type.descriptor.java.IntegerTypeDescriptor.unwrap(IntegerTypeDescriptor.java:36)
at org.hibernate.type.descriptor.sql.IntegerTypeDescriptor$1.doBind(IntegerTypeDescriptor.java:64)
at org.hibernate.type.descriptor.sql.BasicBinder.bind(BasicBinder.java:90)
at org.hibernate.type.AbstractStandardBasicType.nullSafeSet(AbstractStandardBasicType.java:282)
at org.hibernate.type.AbstractStandardBasicType.nullSafeSet(AbstractStandardBasicType.java:277)
at org.hibernate.type.AbstractSingleColumnStandardBasicType.nullSafeSet(AbstractSingleColumnStandardBasicType.java:56)
at org.hibernate.persister.entity.AbstractEntityPersister.dehydrate(AbstractEntityPersister.java:2843)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3121)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3587)
at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:103)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:453)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:345)
at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:350)
at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:56)
at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1218)
at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:421)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.beforeTransactionCommit(JdbcTransaction.java:101)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:177)
at com.samples.test.HibernateUtil.main(HibernateUtil.java:28)
2015年9月5日下午七时四十零分59秒org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl释放 信息:HHH000010:在释放我运行应用程序时遇到以下错误批量它仍然包含了JDBC声明
这是我的雇员实体类
package com.samples.hibernate;
public class Employee {
private int ID;
private String name;
public int getID() {
return ID;
}
public void setID(int iD) {
ID = iD;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
这里是我的代码,我正在与数据库进行通信。
public static void main(String[] args) {
// TODO Auto-generated method stub
Configuration configuration = new Configuration().configure();
StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties());
SessionFactory factory = configuration.buildSessionFactory(builder.build());
Session session = null;
try
{
session = factory.openSession();
Employee employee = new Employee();
employee.setID(3);
employee.setName("Venkatesh");
session.beginTransaction();
session.save(employee);
session.getTransaction().commit();
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
session.close();
}
}
班员工的ID为整数,姓名为String。请帮我解决一下这个。我是休眠和尝试学习的新手。先谢谢你。
你可以发布你的'员工'实体类吗? – dazito
@dazito我现在已经包含了我的Employee类。谢谢 – Venky
因为你使用了XML配置,你能添加吗?我的猜测是你的数据库最初有变量名称的字符串值。尝试添加“Create” - >“ create-drop ”的hbm2ddl属性并刷新您的表以查看问题是否仍然存在。 –
OneRaynyDay