首先，我手动添加了10条记录到我的数据库中。然后我运行了这个项目，它出现了如下错误：重复条目'1'的关键字'PRIMARY'。然后我刷新了九次页面，它显示从“重复条目'2'的关键字'PRIMARY'”到“重复条目'10'的关键字'PRIMARY”。最后，该项目变得正常，这意味着我可以插入项目到数据库从十一条记录上。什么是错的？
我在verison 5.10 final中使用了Hibernate。我将在下面显示我的代码块：
我感到困惑的是，由项目创建的表没有设置为auto_increatement.，如下所示：picturesthis is a picture显示器
第一个
错误信息：

com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException    : Duplicate entry '5' for key 'PRIMARY'
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
sun.reflect.DelegatingConstructorAccessorImpl.__newInstance(DelegatingConstructorAccessorImpl.java:45)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java)
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
com.mysql.jdbc.Util.getInstance(Util.java:381)
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1015)
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3515)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3447)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1951)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2101)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2554)
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1761)
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2046)
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1964)
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1949)
com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:147)
org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:204)
org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:45)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2921)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3421)
org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:89)
org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:560)
org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:434)
org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:337)
org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39)
org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1295)
org.hibernate.jpa.spi.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:1300)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.__invoke(DelegatingMethodAccessorImpl.java:43)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
java.lang.reflect.Method.invoke(Method.java:498)
org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:344)
com.sun.proxy.$Proxy35.flush(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.__invoke(DelegatingMethodAccessorImpl.java:43)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
java.lang.reflect.Method.invoke(Method.java:498)