报错如下：

[11-19 11:07:58] [http-bio-8080-exec-9] [ERROR][org.hibernate.engine.jdbc.spi.SqlExceptionHelper-146]-当 IDENTITY_INSERT 设置为 OFF 时，不能为表 'TMe_MerchandiseCInfo' 中的标识列插入显式值。

[11-19 11:07:59] [http-bio-8080-exec-9] [ERROR][org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl-175]-HHH000352: Unable to release batch statement...

[11-19 11:07:59] [http-bio-8080-exec-9] [ERROR][org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl-176]-HHH000246: SQLException escaped proxy

java.sql.SQLException: org.apache.commons.dbcp.DelegatingPreparedStatement with address: "SQLServerPreparedStatement:108" is closed.

at org.apache.commons.dbcp.DelegatingStatement.checkOpen(DelegatingStatement.java:137)

at org.apache.commons.dbcp.DelegatingStatement.clearBatch(DelegatingStatement.java:294)

at org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl.releaseStatements(AbstractBatchImpl.java:171)

at org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl.release(AbstractBatchImpl.java:205)

at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.close(JdbcCoordinatorImpl.java:183)

at org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.close(TransactionCoordinatorImpl.java:292)

at org.hibernate.internal.SessionImpl.close(SessionImpl.java:354)

at org.springframework.orm.hibernate4.SessionFactoryUtils.closeSession(SessionFactoryUtils.java:105)

at org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:160)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)

at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:745)

解决办法：为有自增属性的字段的构造器加insertable，updateable，之后就可以不给id赋值，正常插入更新

@Column(name = "ID" ,insertable = false,updatable = false)

public int getId() {

return id;

}

public void setId(int id) {

this.id = id;

}

若自增字段为主键,则在get、set的@Id下加上  @GeneratedValue(strategy =GenerationType.IDENTITY)