org.hibernate.StaleStateException：批量更新从update [0]返回意外的行数;实际行数：0;预计：1 [英] org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1

问题描述

我正在使用struts和hibernate。我有一个使用HBM集的父母和孩子的关系。
在操作中，我使用 session.saveOrUpdate（）方法保存，但保存时显示下面的错误。任何人都可以帮我解释一下我犯的错误吗？

这是我的hbm.file

 <？xml version =1.0？> 
<！DOCTYPE hibernate-mapping PUBLIC 
 -  // Hibernate / Hibernate映射DTD 3.0 // EN
http://hibernate.sourceforge.net/hibernate-mapping-3.0 .dtd> 
 
< hibernate-mapping> 
 
 < id name =idcolumn =idtype =java.lang.Long> 
< generator class =increment/> 
< / id> 
< property name =cnamecolumn =cname/> 
< property name =cdatecolumn =cdate/> 
< property name =csourcecolumn =csource/> 
< property name =cdestinationcolumn =cdestination/> 
< property name =createcolumn =createby/> 
< property name =statuscolumn =status/> 
 
< set name =itemListtable =iteminverse =true
 cascade =all-delete-orphan> 
< key> 
< column name =id/> 
< / key> 
 < / set> 
< / class> 
 
< class name =com.model.Itemtable =item> 
< id name =itemidcolumn =itemidtype =java.lang.Long> 
< generator class =increment/> 
< / id> 
< property name =itemNamecolumn =itemname/> 
< property name =weightcolumn =weight/> 
  column =id/> 
< / class> 
< / hibernate-mapping> 
  

我的动作

  package com.action; 
 
 import java.util.ArrayList; 
 import java.util.Collection; 
 import java.util.HashSet; 
 import java.util.Iterator; 
 import java.util.List; 
 import java.util.Set; 
 
 import javax.servlet.http.HttpServletRequest; 
 import javax.servlet.http.HttpServletResponse; 
 import javax.servlet.http.HttpSession; 
 
 import org.apache.commons.beanutils.BeanUtils; 
 
 import org.apache.struts.action.ActionForm; 
 import org.apache.struts.action.ActionForward; 
 import org.apache.struts.action.ActionMapping; 
 import org.apache.struts.actions.DispatchAction; 
 import org.hibernate.Query; 
 import org.hibernate.Session; 
 import org.hibernate.SessionFactory; 
 import org.hibernate.Transaction; 
 import com.plugin.HibernatePlugIn; 
 import com.form.cargoForm; 
 import com.model.cargo; 
 import com.model.Item; 
 
 $ b公共类CargoAction扩展DispatchAction {
 
 
 public ActionForward add（ActionMapping映射，ActionForm表单，
 HttpServletRequest请求，HttpServletResponse响应） 
抛出Exception {
 
 if（log.isDebugEnabled（））{
 log.debug（Entering Master add method）; 
} 
 
尝试{
 
 cargoForm cargoForm =（cargoForm）form; 
 //System.out.println(\"ID+ cargoForm.getId（））; 
货物=新货物（）; 
 System.out.println（in cargo Action）; 
 //将customerform复制到模型
 cargoForm.reset（映射，请求）; 
 BeanUtils.copyProperties（cargo，cargoForm）; 
 cargoForm.reset（映射，请求）; 
 // cargoForm.setInputParam（new）; 
 // updateFormBean（mapping，request，cargoForm）; 
 
 
 $ b catch（Exception ex）{
 ex.printStackTrace（）; 
返回mapping.findForward（failure）; 
} 
 
返回mapping.findForward（success1）; 
 
 $ b $公共ActionForward保存（ActionMapping映射，ActionForm表单，
 HttpServletRequest请求，HttpServletResponse响应）
抛出异常{
 
 SessionFactory sessionFactory = NULL; 
会话会话=空; 
 System.out.println（in cargo Action）; 
 try {
 sessionFactory =（SessionFactory）servlet 
 .getServletContext（）。getAttribute（HibernatePlugIn.KEY_NAME）; 
 session = sessionFactory.openSession（）; 
 Transaction tx = session.beginTransaction（）; 
 
 cargoForm carForm =（cargoForm）表单; 
 
 
货物=新货物（）; 
 
 System.out.println（in cargo Action）; 
 
 BeanUtils.copyProperties（cargo，carForm）; 
 System.out.println（id+ carForm.getId（））; 
 System.out.println（item id+ carForm.getItemid（））; 
 Set itemset = carForm.getItemDtl（）; 
 
 System.out.println（size+ itemset.size（））; 
 Iterator iterator = itemset.iterator（）; 
 while（iterator.hasNext（））{
 Item it =（Item）iterator.next（）; 
 System.out.println（name+ it.getItemName（））; //log.debug(\"HERE）; 
 it.setCargo（货物）; } 
 
 cargo.setItemList（itemset）; 
 System.out.println（size+ itemset.size（））; 
 session.saveOrUpdate（货物，货物）; 
 tx.commit（）; 
} catch（Exception e）{
 e.printStackTrace（）; 
} 
返回mapping.findForward（success）; 
 
 
 $ b public ActionForward搜索（ActionMapping映射，ActionForm表单，
 HttpServletRequest请求，HttpServletResponse响应）
抛出Exception {
 System。 out.println（in cargo search Action）; 
 SessionFactory sessionFactory =（SessionFactory）servlet 
 .getServletContext（）。getAttribute（HibernatePlugIn.KEY_NAME）; 
 HttpSession session1 = request.getSession（）; 
 Session session = sessionFactory.openSession（）; 
 Transaction tx = session.beginTransaction（）; 
 cargoForm cargoform =（cargoForm）表单; 
 // System.out.println（Name+ cargoForm.getName（））; 
货物=新货物（）; 
 System.out.println（in cargo search Action）; 
 //将customerform复制到模型
 BeanUtils.copyProperties（cargo，cargoform）; 
字符串名称; 
字符串状态; 
字符串createby; 
 
 name = cargo.getCname（）; 
 status = cargo.getStatus（）; 
 createby = cargo.getCreate（）; 
 System.out.println（Name ...+ name）; 
 System.out.println（status ...+ status）; 
 System.out.println（createby ...+ createby）; 
 if（（name.equals（））&&（createby.equals（））
&&（status.equals（） ））
返回mapping.findForward（failure）; 
 String sql_QUERY =from cargo c where c.cname =：name or c.status =：status or c.create =：createby; 
 Query query = session.createQuery（SQL_QUERY）; 
 query.setParameter（name，name）; 
 query.setParameter（status，status）; 
 query.setParameter（createby，createby）; 
 ArrayList al = new ArrayList（）; （Iterator i = query.iterate（）; i.hasNext（）;）{
 cargo cargo1 =（cargo）i.next（）; 
 al.add（cargo1）; 
 System.out.println（Cargo ID is：+ cargo1.getId（））; 
} 
 System.out.println（Cargo list is：+ al.size（））; 
 session1.setAttribute（clist，al）; 
} catch（Exception e）{
 e.printStackTrace（）; 
返回mapping.findForward（failure）; 
} 
 System.out.println（货物列表成功）; 
 
返回mapping.findForward（success）; 
 
 
 
 
 $ b public ActionForward编辑（ActionMapping映射，ActionForm表单，
 HttpServletRequest请求，HttpServletResponse响应）
 throws异常{
 SessionFactory sessionFactory = null; 
会话会话=空; 
 if（log.isDebugEnabled（））{
 log.debug（输入主编辑方法）; 
 
 
 try {
 sessionFactory =（SessionFactory）servlet 
 .getServletContext（）。getAttribute（HibernatePlugIn.KEY_NAME）; 
 session = sessionFactory.openSession（）; 
 Transaction transaction = session.beginTransaction（）; 
 cargoForm carForm =（cargoForm）表单; 
 // System.out.println（carForm.getStatus（））; 
 // System.out.println（carForm.getCreate（））; 
货物=新货物（）; 
 BeanUtils.copyProperties（cargo，carForm）; 
 System.out.println（货物编辑+ cargo.getId（））; 
 String qstring =from cargo c where c.id =：id; 
 Query query = session.createQuery（qstring）; 
 query.setParameter（id，cargo.getId（））; 
 ArrayList all = new ArrayList（）; 
 cargo c =（cargo）query.iterate（）。next（）; 
 
 System.out.println（Edit Cargo list+ all.size（））; 
 
 
 Set purchaseArray = new HashSet（）; 
 System.out.println（Edit+ c.getItemList（）。size（））; 
 carForm.setItemDtl（purchaseArray）; 
 BeanUtils.copyProperties（carForm，c）; 
 // transaction.commit（）; 
 session.flush（）; 
} catch（Exception e）{
 e.printStackTrace（）; 
返回mapping.findForward（failure）; 
} 
 
 //返回一个转发编辑转发
 System.out.println（Edit Cargo list is success）; 
返回mapping.findForward（succ）; 
 
 $ b $ public ActionForward delete（ActionMapping映射，ActionForm表单，
 HttpServletRequest请求，HttpServletResponse响应）
抛出异常{
 
 try { 
 SessionFactory sessionFactory =（SessionFactory）servlet 
 .getServletContext（）。getAttribute（HibernatePlugIn.KEY_NAME）; 
 Session session = sessionFactory.openSession（）; 
 Transaction tx = session.beginTransaction（）; 
 cargoForm carForm =（cargoForm）表单; 
 // System.out.println（carForm.getStatus（））; 
 // System.out.println（carForm.getCreate（））; 
货物=新货物（）; 
 BeanUtils.copyProperties（cargo，carForm）; 
 System.out.println（货物删除+ cargo.getId（））; 
 // String qstring =从货物c中删除，其中c.id =：id; 
 //查询查询= session.createQuery（qstring）; 
 session.delete（货物，货物）; 
 // session.delete（cargo）; 
 // session.flush（）; 
 //query.setParameter(\"id，cargo.getId（））; 
 // int row = query.executeUpdate（）; 
 //System.out.println(\"deleted row+ row）; 
 tx.commit（）; 
 
} catch（Exception e）{
 e.printStackTrace（）; 
返回mapping.findForward（failure）; 
} 
 //返回一个转发以编辑转发
 System.out.println（Deleted success）; 
返回mapping.findForward（succes）; 
} 
 
} 
  

我的父母模特

  package com.model; 
 
 import java.util.HashSet; 
 import java.util.Set; 
 
公共类货物{
 
私人长ID; 
 private String cname; 
私人字符串cdate; 
 private String csource; 
 private String cdestination; 
 private String create; 
私人字符串状态; 
 
 private Set itemList = new HashSet（）; 
 
 public Long getId（）{
 return id; 
} 
 
 public void setId（Long id）{
 this.id = id; 
} 
 
 public String getCname（）{
 return cname; 
} 
 
 public void setCname（String cname）{
 this.cname = cname; 
} 
 
 public String getCdate（）{
 return cdate; 
} 
 
 public void setCdate（String cdate）{
 this.cdate = cdate; 
} 
 
 public String getCsource（）{
 return csource; 
} 
 
 public void setCsource（String csource）{
 this.csource = csource; 
} 
 
 public String getCdestination（）{
 return cdestination; 
} 
 
 public void setCdestination（String cdestination）{
 this.cdestination = cdestination; 
} 
 
 public String getCreate（）{
 return create; 
} 
 
 public void setCreate（String create）{
 this.create = create; 
} 
 
 public String getStatus（）{
 return status; 
} 
 
 public void setStatus（String status）{
 this.status = status; 
} 
 
 public Set getItemList（）{
 return itemList; 
} 
 
 public void setItemList（Set itemList）{
 this.itemList = itemList; 
} 
 
 
} 
  

我的孩子模型

  package com.model; 
 
公共类项目{
 
 private长itemid; 
 private String itemName; 
私人字符串重量; 
私人货物货物; 
 
 public Long getItemid（）{
 return itemid; 
} 
 public void setItemid（Long itemid）{
 this.itemid = itemid; 
} 
 public String getItemName（）{
 return itemName; 
} 
 public void setItemName（String itemName）{
 this.itemName = itemName; 
} 
 public String getWeight（）{
 return weight; 
} 
 public void setWeight（String weight）{
 this.weight = weight; 
} 
公共货物getCargo（）{
退货; 
} 
 public void setCargo（货物货物）{
 this.cargo =货物; 
} 
 
 
} 
  

我的表单

  package com.form; 
 
 import java.util.HashSet; 
 import java.util.Set; 
 
 import javax.servlet.http.HttpServletRequest; 
 
 import org.apache.struts.action.ActionForm; 
 import org.apache.struts.action.ActionMapping; 
 
 import com.model.Item; 
 
 public class cargoForm扩展ActionForm {
 private Long id; 
 private String cname; 
私人字符串cdate; 
 private String csource; 
 private String cdestination; 
 private String create; 
私人字符串状态; 
 
 private Long [] itemid; 
 private String [] itemName; 
 private String [] weight; 
 
 private Set itemset = new HashSet（）; 
 
 public Long getId（）{
 return id; 
} 
 
 public void setId（Long id）{
 this.id = id; 
} 
 
 public String getCname（）{
 return cname; 
} 
 
 public void setCname（String cname）{
 this.cname = cname; 
} 
 
 public String getCdate（）{
 return cdate; 
} 
 
 public void setCdate（String cdate）{
 this.cdate = cdate; 
} 
 
 public String getCsource（）{
 return csource; 
} 
 
 public void setCsource（String csource）{
 this.csource = csource; 
} 
 
 public String getCdestination（）{
 return cdestination; 
} 
 
 public void setCdestination（String cdestination）{
 this.cdestination = cdestination; 
} 
 
 public String getCreate（）{
 return create; 
} 
 
 public void setCreate（String create）{
 this.create = create; 
} 
 
 public String getStatus（）{
 return status; 
} 
 
 public void setStatus（String status）{
 this.status = status; 
} 
 
 public Long [] getItemid（）{
 return itemid; 
} 
 
 public void setItemid（Long [] itemid）{
 this.itemid = itemid; 
} 
 
 public String [] getItemName（）{
 return itemName; 
} 
 
 public void setItemName（String [] itemName）{
 this.itemName = itemName; 
} 
 
 public String [] getWeight（）{
 return weight; 
} 
 
 public void setWeight（String [] weight）{
 this.weight = weight; 
} 
 
 / * 
 * public Set getItemset（）{return itemset; } 
 * 
 * public void setItemset（Set itemset）{this.itemset = itemset; } 
 * / 
 public Set getItemDtl（）{
 if（itemid！= null）{
 itemset = new HashSet（）; 
 System.out.println（cargadd form+ itemid）; 
 for（int i = 0; i< itemid.length; i ++）{
 Item it = new Item（）; 
 // it.setItemId（itemId [i]）; 
 it.setItemName（itemName [i]）; 
 System.out.println（cargadd form+ itemName [i]）; 
 it.setWeight（weight [i]）; 
 
 itemset.add（it）; 
 System.out.println（cargadd form+ itemset.size（））; 
} 
} 
 return itemset; 
 
 
 public void setItemDtl（Set itemset）{
 System.out.println（cargadd form+ itemset.size（））; 
 this.itemset = itemset; 
 System.out.println（cargadd form+ itemset.size（））; 
} 
 
 public void reset（ActionMapping映射，HttpServletRequest请求）{
 
 cname =; 
 csource =; 
 cdestination =; 
 cdate =; 
 status =; 
 create =; 
 
} 
 
} 
  

错误：

  Hibernate：从项目
中选择max（itemid）Hibernate：插入项目（itemname，weight，position，id ，itemid）值（？，？，？，？，？）
休眠：更新货物集名称=？，日期= ?,源=？，目的地=？，createby = ?,状态=？其中id =？ 
 2010年10月4日上午10时44分08秒org.hibernate.jdbc.BatchingBatcher doExecuteBatch 
 SEVERE：执行批处理的异常：
 org.hibernate.StaleStateException：批处理更新从更新返回意外的行计数[0];实际行数：0;预期：1 
在org.hibernate.jdbc.Expectations $ BasicExpectation.checkBatched（Expectations.java:61）
 at org.hibernate.jdbc.Expectations $ BasicExpectation.verifyOutcome（Expectations.java:46）
。在org.hibernate.jdbc.BatchingBatcher.checkRowCounts（BatchingBatcher.java:68）
处org.hibernate作为org.hibernate.jdbc.BatchingBatcher.doExecuteBatch（BatchingBatcher.java:48）
。在org.hibernate.engine.ActionQueue.executeActions jdbc.AbstractBatcher.executeBatch（AbstractBatcher.java:242）
（ActionQueue.java:235）
在org.hibernate.engine.ActionQueue.executeActions（ActionQueue。的java：140）
。在org.hibernate.event.def.AbstractFlushingEventListener.performExecutions（AbstractFlushingEventListener.java:298）
。在org.hibernate.event.def.DefaultFlushEventListener.onFlush（DefaultFlushEventListener.java:27） 
在org.hibernate.impl.SessionImpl.flush（SessionImpl.java:1000）
在org.hibernate.impl.SessionImpl.managedFlush（SessionImpl.java:338）
在org.hibernate .tr （本地方法）$ b $（在本地方法）
（com.action.CargoAction.save（CargoAction.java:125）
 at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）
 at sun.reflect.NativeMethodAccessorImpl.invoke（Unknown Source）
 at sun.reflect.DelegatingMethodAccessorImpl.invoke（Unknown Source）
 at java.lang.reflect.Method.invoke（Unknown Source）
在org.apache.struts.actions.DispatchAction.dispatchMethod（DispatchAction.java:269）
 at org.apache.struts.actions.DispatchAction.execute（DispatchAction.java:170）
 at org。 apache.struts.chain.commands.servlet.ExecuteAction.execute（ExecuteAction.java:58）
 at org.apache.struts.chain.commands.AbstractExecuteAction.execute（AbstractExecuteAction.java:67）
 at org.apache.struts.chain.commands.ActionCommandBase.execute（ActionCommandBase.java:51）
 at org.apache.commons.chain.impl.ChainBase.execute（ChainBase.java:191）
 at org.apache.commons.chain.generic.LookupCommand.execute（LookupC ommand.java:305）
 at org.apache.commons.chain.impl.ChainBase.execute（ChainBase.java:191）
 at org.apache.struts.chain.ComposableRequestProcessor.process（ComposableRequestProcessor。 
 at org.apache.struts.action.ActionServlet.process（ActionServlet.java:1913）
 at org.apache.struts.action.ActionServlet.doPost（ActionServlet.java:462）在javax.servlet.http.HttpServlet.service在javax.servlet.http.HttpServlet.service 
（HttpServlet.java:647）
（HttpServlet.java:729）
在org.apache .catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:269）
 at org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:188）
 at org.apache.catalina.core .StandardWrapperValve.invoke（StandardWrapperValve.java:213）
 at org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:172）
 at org.apache.catalina.core.StandardHostValve.invoke （StandardHostValve.java:127）
在org.apache.ca talina.valves.ErrorReportValve.invoke（ErrorReportValve.java:117）
处org.apache.catalina.connector org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:108）
。 CoyoteAdapter.service（CoyoteAdapter.java:174）
 at org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:879）
 at org.apache.coyote.http11.Http11BaseProtocol $ Http11ConnectionHandler。 processConnection（Http11BaseProtocol.java:665）
处org.apache.tomcat.util.net.LeaderFollowerWorkerThread org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket（PoolTcpEndpoint.java:528）
。 runIt（LeaderFollowerWorkerThread.java:81）
 at org.apache.tomcat.util.threads.ThreadPool $ ControlRunnable.run（ThreadPool.java:689）
 at java.lang.Thread.run（Unknown Source ）
 2010年10月4日上午10点44分08秒org.hibernate.event.def.AbstractFlushingEventListener performExecutions 
 SEVERE：无法与会话
同步数据库状态org.hibernate.StaleStateException：批量更新从update [0]返回意外的行数;实际行数：0;预期：1 
在org.hibernate.jdbc.Expectations $ BasicExpectation.checkBatched（Expectations.java:61）
 at org.hibernate.jdbc.Expectations $ BasicExpectation.verifyOutcome（Expectations.java:46）
 at org.hibernate.jdbc.BatchingBatcher.checkRowCounts（BatchingBatcher.java:68）
 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch（BatchingBatcher.java:48）
 at org.hibernate。在org.hibernate.engine.ActionQueue.executeActions jdbc.AbstractBatcher.executeBatch（AbstractBatcher.java:242）
（ActionQueue.java:235）
在org.hibernate.engine.ActionQueue.executeActions（ActionQueue。的java：140）
。在org.hibernate.event.def.AbstractFlushingEventListener.performExecutions（AbstractFlushingEventListener.java:298）
。在org.hibernate.event.def.DefaultFlushEventListener.onFlush（DefaultFlushEventListener.java:27） 
在org.hibernate.impl.SessionImpl.flush（SessionImpl.java:1000）
在org.hibernate.impl.SessionImpl.managedFlush（SessionImpl.java:338）
在org.hibernate .tr （本地方法）$ b $（在本地方法）
（com.action.CargoAction.save（CargoAction.java:125）
 at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）
 at sun.reflect.NativeMethodAccessorImpl.invoke（Unknown Source）
 at sun.reflect.DelegatingMethodAccessorImpl.invoke（Unknown Source）
 at java.lang.reflect.Method.invoke（Unknown Source）
在org.apache.struts.actions.DispatchAction.dispatchMethod（DispatchAction.java:269）
 at org.apache.struts.actions.DispatchAction.execute（DispatchAction.java:170）
 at org。 apache.struts.chain.commands.servlet.ExecuteAction.execute（ExecuteAction.java:58）
 at org.apache.struts.chain.commands.AbstractExecuteAction.execute（AbstractExecuteAction.java:67）
 at org.apache.struts.chain.commands.ActionCommandBase.execute（ActionCommandBase.java:51）
 at org.apache.commons.chain.impl.ChainBase.execute（ChainBase.java:191）
 at org.apache.commons.chain.generic.LookupCommand.execute（LookupC ommand.java:305）
 at org.apache.commons.chain.impl.ChainBase.execute（ChainBase.java:191）
 at org.apache.struts.chain.ComposableRequestProcessor.process（ComposableRequestProcessor。 
 at org.apache.struts.action.ActionServlet.process（ActionServlet.java:1913）
 at org.apache.struts.action.ActionServlet.doPost（ActionServlet.java:462） 
 at javax.servlet.http.HttpServlet.service（HttpServlet.java:647）
 at javax.servlet.http.HttpServlet.service（HttpServlet.java:729）
 at org.apache .catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:269）
在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:188）
在org.apache.catalina.core .StandardWrapperValve.invoke（StandardWrapperValve.java:213）
 at org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:172）
 at org.apache.catalina.core.StandardHostValve.invoke （StandardHostValve.java:127）
在org.apache.ca talina.valves.ErrorReportValve.invoke（ErrorReportValve.java:117）
处org.apache.catalina.connector org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:108）
。 CoyoteAdapter.service（CoyoteAdapter.java:174）
 at org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:879）
 at org.apache.coyote.http11.Http11BaseProtocol $ Http11ConnectionHandler。 processConnection（Http11BaseProtocol.java:665）
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket（PoolTcpEndpoint.java:528）
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread。 runIt（LeaderFollowerWorkerThread.java:81）
 at org.apache.tomcat.util.threads.ThreadPool $ ControlRunnable.run（ThreadPool.java:689）
 at java.lang.Thread.run（Unknown Source ）
 org.hibernate.StaleStateException：批量更新从update [0]返回意外的行数;实际行数：0;预期：1 
在org.hibernate.jdbc.Expectations $ BasicExpectation.checkBatched（Expectations.java:61）
 at org.hibernate.jdbc.Expectations $ BasicExpectation.verifyOutcome（Expectations.java:46）
 at org.hibernate.jdbc.BatchingBatcher.checkRowCounts（BatchingBatcher.java:68）
 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch（BatchingBatcher.java:48）
 at org.hibernate。在org.hibernate.engine.ActionQueue.executeActions jdbc.AbstractBatcher.executeBatch（AbstractBatcher.java:242）
（ActionQueue.java:235）
在org.hibernate.engine.ActionQueue.executeActions（ActionQueue。的java：140）
。在org.hibernate.event.def.AbstractFlushingEventListener.performExecutions（AbstractFlushingEventListener.java:298）
。在org.hibernate.event.def.DefaultFlushEventListener.onFlush（DefaultFlushEventListener.java:27） 
在org.hibernate.impl.SessionImpl.flush（SessionImpl.java:1000）
在org.hibernate.impl.SessionImpl.managedFlush（SessionImpl.java:338）
在org.hibernate .tr （本地方法）$ b $（在本地方法）
（com.action.CargoAction.save（CargoAction.java:125）
 at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）
 at sun.reflect.NativeMethodAccessorImpl.invoke（Unknown Source）
 at sun.reflect.DelegatingMethodAccessorImpl.invoke（Unknown Source）
 at java.lang.reflect.Method.invoke（Unknown Source）
在org.apache.struts.actions.DispatchAction.dispatchMethod（DispatchAction.java:269）
 at org.apache.struts.actions.DispatchAction.execute（DispatchAction.java:170）
 at org。 apache.struts.chain.commands.servlet.ExecuteAction.execute（ExecuteAction.java:58）
 at org.apache.struts.chain.commands.AbstractExecuteAction.execute（AbstractExecuteAction.java:67）
 at org.apache.struts.chain.commands.ActionCommandBase.execute（ActionCommandBase.java:51）
 at org.apache.commons.chain.impl.ChainBase.execute（ChainBase.java:191）
 at org.apache.commons.chain.generic.LookupCommand.execute（LookupC ommand.java:305）
 at org.apache.commons.chain.impl.ChainBase.execute（ChainBase.java:191）
 at org.apache.struts.chain.ComposableRequestProcessor.process（ComposableRequestProcessor。 
 at org.apache.struts.action.ActionServlet.process（ActionServlet.java:1913）
 at org.apache.struts.action.ActionServlet.doPost（ActionServlet.java:462） 
 at javax.servlet.http.HttpServlet.service（HttpServlet.java:647）
 at javax.servlet.http.HttpServlet.service（HttpServlet.java:729）
 at org.apache .catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:269）
 at org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:188）
 at org.apache.catalina.core .StandardWrapperValve.invoke（StandardWrapperValve.java:213）
 at org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:172）
 at org.apache.catalina.core.StandardHostValve.invoke （StandardHostValve.java:127）
在org.apache.ca在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:108）
 org.apache.catalina.connector上
。 CoyoteAdapter.service（CoyoteAdapter.java:174）
 at org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:879）
 at org.apache.coyote.http11.Http11BaseProtocol $ Http11ConnectionHandler。 processConnection（Http11BaseProtocol.java:665）
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket（PoolTcpEndpoint.java:528）
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread。 runIt（LeaderFollowerWorkerThread.java:81）
 at org.apache.tomcat.util.threads.ThreadPool $ ControlRunnable.run（ThreadPool.java:689）
 at java.lang.Thread.run（Unknown Source ）
  

解决方案在 id 属性，如果您使用任何生成器类，那么对于该属性，不应将值expli如果你明确地设置了Id属性的值，它会导致上面的错误。选中此项可避免此错误。

I am using struts and hibernate. I have a parent and child relation using set in hbm. In the action I am using session.saveOrUpdate() method to save but while saving it is showing the below error. Can anyone help regardng this with explanation where I made the mistake?

Here is my hbm.file

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

 <class name="com.model.cargo" table="cargo">
  <id name="id" column="id" type="java.lang.Long">
   <generator class="increment" />
  </id>
  <property name="cname" column="cname" />
  <property name="cdate" column="cdate" />
  <property name="csource" column="csource" />
  <property name="cdestination" column="cdestination" />
  <property name="create" column="createby" />
  <property name="status" column="status" />

  <set name="itemList" table="item" inverse="true"
   cascade="all-delete-orphan">
   <key>
    <column name="id" />
   </key>
   <one-to-many class="com.model.Item" />
  </set>
 </class>

 <class name="com.model.Item" table="item">
  <id name="itemid" column="itemid" type="java.lang.Long">
   <generator class="increment" />
  </id>
  <property name="itemName" column="itemname" />
  <property name="weight" column="weight" />
  <many-to-one class="com.model.cargo" name="cargo"
   column="id" />
 </class>
</hibernate-mapping>

My action

package com.action;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.beanutils.BeanUtils;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import com.plugin.HibernatePlugIn;
import com.form.cargoForm;
import com.model.cargo;
import com.model.Item;


public class CargoAction extends DispatchAction {


 public ActionForward add(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response)
   throws Exception {

  if (log.isDebugEnabled()) {
   log.debug("Entering Master add method");
  }

  try {

   cargoForm cargoForm = (cargoForm) form;
   //System.out.println("ID" + cargoForm.getId());
   cargo cargo = new cargo();
   System.out.println("in cargo Action");
   // copy customerform to model
   cargoForm.reset(mapping, request);
   BeanUtils.copyProperties(cargo, cargoForm);
   cargoForm.reset(mapping, request);
  // cargoForm.setInputParam("new");
   // updateFormBean(mapping, request, cargoForm);

  }

  catch (Exception ex) {
   ex.printStackTrace();
   return mapping.findForward("failure");
  }

  return mapping.findForward("success1");
 }

 public ActionForward save(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response)
   throws Exception {

  SessionFactory sessionFactory=null;
  Session session =null;
  System.out.println("in cargo Action");
  try{
  sessionFactory = (SessionFactory) servlet
    .getServletContext().getAttribute(HibernatePlugIn.KEY_NAME);  
  session = sessionFactory.openSession();
  Transaction tx = session.beginTransaction();

  cargoForm carForm = (cargoForm) form;


  cargo cargo = new cargo();

  System.out.println("in cargo Action");

  BeanUtils.copyProperties(cargo,carForm);
  System.out.println("id"+ carForm.getId()); 
  System.out.println("item id"+ carForm.getItemid()); 
  Set itemset = carForm.getItemDtl();

    System.out.println("size"+itemset.size()); 
    Iterator iterator =itemset.iterator();   
    while(iterator.hasNext()) { 
     Item it = (Item)iterator.next();
    System.out.println("name"+it.getItemName()); //log.debug("HERE");
   it.setCargo(cargo); } 

  cargo.setItemList(itemset);
  System.out.println("size"+ itemset.size()); 
  session.saveOrUpdate("cargo",cargo);
  tx.commit();
  }catch(Exception e){
   e.printStackTrace();
  }
  return mapping.findForward("success");

 }

 public ActionForward search(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response)
   throws Exception {
  System.out.println("in cargo search Action");
  SessionFactory sessionFactory = (SessionFactory) servlet
    .getServletContext().getAttribute(HibernatePlugIn.KEY_NAME);
  HttpSession session1 = request.getSession();
  Session session = sessionFactory.openSession();
  Transaction tx = session.beginTransaction();
  cargoForm cargoform = (cargoForm) form;
  // System.out.println("Name"+cargoForm.getName());
  cargo cargo = new cargo();
  System.out.println("in cargo search Action");
  // copy customerform to model
  BeanUtils.copyProperties(cargo, cargoform);
  String name;
  String status;
  String createby;

  name = cargo.getCname();
  status = cargo.getStatus();
  createby = cargo.getCreate();
  System.out.println("Name..." + name);
  System.out.println("status..." + status);
  System.out.println("createby..." + createby);
  try {
   if ((name.equals("")) && (createby.equals(""))
     && (status.equals("")))
    return mapping.findForward("failure");
   String SQL_QUERY = "from cargo c where c.cname=:name or c.status=:status or c.create=:createby";
   Query query = session.createQuery(SQL_QUERY);
   query.setParameter("name", name);
   query.setParameter("status", status);
   query.setParameter("createby", createby);
   ArrayList al = new ArrayList();
   for (Iterator i = query.iterate(); i.hasNext();) {
    cargo cargo1 = (cargo) i.next();
    al.add(cargo1);
    System.out.println("Cargo ID is:" + cargo1.getId());
   }
   System.out.println("Cargo list is:" + al.size());
   session1.setAttribute("clist", al);
  } catch (Exception e) {
   e.printStackTrace();
   return mapping.findForward("failure");
  }
  System.out.println("search Cargo list is success");

  return mapping.findForward("success");
 }




 public ActionForward edit(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response)
   throws Exception {
  SessionFactory sessionFactory=null;
  Session session =null;
  if (log.isDebugEnabled()) {
   log.debug("Entering Master Edit method");
  }

  try {
   sessionFactory = (SessionFactory) servlet
     .getServletContext().getAttribute(HibernatePlugIn.KEY_NAME);
   session = sessionFactory.openSession();
   Transaction transaction=session.beginTransaction();
   cargoForm carForm = (cargoForm) form;
   // System.out.println(carForm.getStatus());
   // System.out.println(carForm.getCreate());
   cargo cargo = new cargo();
   BeanUtils.copyProperties(cargo, carForm);
      System.out.println("In Cargo Edit "+cargo.getId());
      String qstring = "from cargo c where c.id=:id";
   Query query = session.createQuery(qstring);
   query.setParameter("id", cargo.getId());
   ArrayList all = new ArrayList();
   cargo c = (cargo) query.iterate().next();

   System.out.println("Edit Cargo list " + all.size()); 


     Set purchaseArray = new HashSet();
           System.out.println("Edit"+c.getItemList().size());
           carForm.setItemDtl(purchaseArray);
           BeanUtils.copyProperties(carForm,c);
           // transaction.commit();
            session.flush();
  } catch (Exception e) {
   e.printStackTrace();
   return mapping.findForward("failure");
  }

  // return a forward to edit forward
  System.out.println("Edit Cargo list is success");
  return mapping.findForward("succ");
 }

 public ActionForward delete(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response)
   throws Exception {

  try {
   SessionFactory sessionFactory = (SessionFactory) servlet
     .getServletContext().getAttribute(HibernatePlugIn.KEY_NAME);
   Session session = sessionFactory.openSession();
   Transaction tx = session.beginTransaction();
   cargoForm carForm = (cargoForm) form;
   // System.out.println(carForm.getStatus());
   // System.out.println(carForm.getCreate());
   cargo cargo = new cargo();
   BeanUtils.copyProperties(cargo, carForm);
      System.out.println("In Cargo Delete "+cargo.getId());
   //String qstring = "delete from cargo c where c.id=:id";
   //Query query = session.createQuery(qstring);
   session.delete("cargo",cargo);
     // session.delete(cargo);
     // session.flush();
   //query.setParameter("id", cargo.getId());
   //int row=query.executeUpdate();
   //System.out.println("deleted row"+row);
   tx.commit();

  } catch (Exception e) {
   e.printStackTrace();
   return mapping.findForward("failure");
  }
  // return a forward to edit forward
  System.out.println("Deleted success");
  return mapping.findForward("succes");
 }

}

My parent model

package com.model;

import java.util.HashSet;
import java.util.Set;

public class cargo {

 private Long id;
 private String cname;
 private String cdate;
 private String csource;
 private String cdestination;
 private String create;
 private String status;

 private Set itemList = new HashSet();

 public Long getId() {
  return id;
 }

 public void setId(Long id) {
  this.id = id;
 }

 public String getCname() {
  return cname;
 }

 public void setCname(String cname) {
  this.cname = cname;
 }

 public String getCdate() {
  return cdate;
 }

 public void setCdate(String cdate) {
  this.cdate = cdate;
 }

 public String getCsource() {
  return csource;
 }

 public void setCsource(String csource) {
  this.csource = csource;
 }

 public String getCdestination() {
  return cdestination;
 }

 public void setCdestination(String cdestination) {
  this.cdestination = cdestination;
 }

 public String getCreate() {
  return create;
 }

 public void setCreate(String create) {
  this.create = create;
 }

 public String getStatus() {
  return status;
 }

 public void setStatus(String status) {
  this.status = status;
 }

 public Set getItemList() {
  return itemList;
 }

 public void setItemList(Set itemList) {
  this.itemList = itemList;
 }


}  

My child model

package com.model;

public class Item{

 private Long itemid;
 private String itemName;
 private String weight;
 private cargo cargo;

 public Long getItemid() {
  return itemid;
 }
 public void setItemid(Long itemid) {
  this.itemid = itemid;
 }
 public String getItemName() {
  return itemName;
 }
 public void setItemName(String itemName) {
  this.itemName = itemName;
 }
 public String getWeight() {
  return weight;
 }
 public void setWeight(String weight) {
  this.weight = weight;
 }
 public cargo getCargo() {
  return cargo;
 }
 public void setCargo(cargo cargo) {
  this.cargo = cargo;
 }


} 

And my form

package com.form;

import java.util.HashSet;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;

import com.model.Item;

public class cargoForm extends ActionForm {
 private Long id;
 private String cname;
 private String cdate;
 private String csource;
 private String cdestination;
 private String create;
 private String status;

 private Long[] itemid;
 private String[] itemName;
 private String[] weight;

 private Set itemset = new HashSet();

 public Long getId() {
  return id;
 }

 public void setId(Long id) {
  this.id = id;
 }

 public String getCname() {
  return cname;
 }

 public void setCname(String cname) {
  this.cname = cname;
 }

 public String getCdate() {
  return cdate;
 }

 public void setCdate(String cdate) {
  this.cdate = cdate;
 }

 public String getCsource() {
  return csource;
 }

 public void setCsource(String csource) {
  this.csource = csource;
 }

 public String getCdestination() {
  return cdestination;
 }

 public void setCdestination(String cdestination) {
  this.cdestination = cdestination;
 }

 public String getCreate() {
  return create;
 }

 public void setCreate(String create) {
  this.create = create;
 }

 public String getStatus() {
  return status;
 }

 public void setStatus(String status) {
  this.status = status;
 }

 public Long[] getItemid() {
  return itemid;
 }

 public void setItemid(Long[] itemid) {
  this.itemid = itemid;
 }

 public String[] getItemName() {
  return itemName;
 }

 public void setItemName(String[] itemName) {
  this.itemName = itemName;
 }

 public String[] getWeight() {
  return weight;
 }

 public void setWeight(String[] weight) {
  this.weight = weight;
 }

 /*
  * public Set getItemset() { return itemset; }
  * 
  * public void setItemset(Set itemset) { this.itemset = itemset; }
  */
 public Set getItemDtl() {
  if (itemid != null) {
   itemset = new HashSet();
   System.out.println("cargadd form" + itemid);
   for (int i = 0; i < itemid.length; i++) {
    Item it = new Item();
    // it.setItemId(itemId[i]);
    it.setItemName(itemName[i]);
    System.out.println("cargadd form" + itemName[i]);
    it.setWeight(weight[i]);

    itemset.add(it);
    System.out.println("cargadd form" + itemset.size());
   }
  }
  return itemset;
 }

 public void setItemDtl(Set itemset) {
  System.out.println("cargadd form" + itemset.size());
  this.itemset = itemset;
  System.out.println("cargadd form" + itemset.size());
 }

 public void reset(ActionMapping mapping, HttpServletRequest request) {

  cname = "";
  csource = "";
  cdestination = "";
  cdate = "";
  status = "";
  create = "";

 }

}

The error:

Hibernate: select max(itemid) from item
Hibernate: insert into item (itemname, weight, position, id, itemid) values (?, ?, ?, ?, ?)
Hibernate: update cargo set name=?, date=?, source=?, destination=?, createby=?, status=? where id=?
Oct 4, 2010 10:44:08 AM org.hibernate.jdbc.BatchingBatcher doExecuteBatch
SEVERE: Exception executing batch: 
org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
 at org.hibernate.jdbc.Expectations$BasicExpectation.checkBatched(Expectations.java:61)
 at org.hibernate.jdbc.Expectations$BasicExpectation.verifyOutcome(Expectations.java:46)
 at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:68)
 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
 at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140)
 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
 at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
 at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
 at com.action.CargoAction.save(CargoAction.java:125)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269)
 at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170)
 at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
 at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
 at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
 at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
 at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
 at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
 at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
 at java.lang.Thread.run(Unknown Source)
Oct 4, 2010 10:44:08 AM org.hibernate.event.def.AbstractFlushingEventListener performExecutions
SEVERE: Could not synchronize database state with session
org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
 at org.hibernate.jdbc.Expectations$BasicExpectation.checkBatched(Expectations.java:61)
 at org.hibernate.jdbc.Expectations$BasicExpectation.verifyOutcome(Expectations.java:46)
 at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:68)
 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
 at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140)
 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
 at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
 at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
 at com.action.CargoAction.save(CargoAction.java:125)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269)
 at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170)
 at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
 at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
 at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
 at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
 at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
 at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
 at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
 at java.lang.Thread.run(Unknown Source)
org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
 at org.hibernate.jdbc.Expectations$BasicExpectation.checkBatched(Expectations.java:61)
 at org.hibernate.jdbc.Expectations$BasicExpectation.verifyOutcome(Expectations.java:46)
 at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:68)
 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
 at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140)
 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
 at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
 at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
 at com.action.CargoAction.save(CargoAction.java:125)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269)
 at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170)
 at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
 at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
 at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
 at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
 at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
 at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
 at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
 at java.lang.Thread.run(Unknown Source)

解决方案

In the Hibernate mapping file for the id property, if you use any generator class, for that property you should not set the value explicitly by using a setter method.

If you set the value of the Id property explicitly, it will lead the error above. Check this to avoid this error.

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