Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.

[2014-03-26 11:20:00] ERROR org.hibernate.util.JDBCExceptionReporter -Communication link failure: 

java.io.IOException, underlying cause: Unexpected end of input stream

** BEGIN NESTED EXCEPTION ** 

java.io.IOException
MESSAGE: Unexpected end of input stream

STACKTRACE:

java.io.IOException: Unexpected end of input stream
	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1405)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1775)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1020)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1109)
	at com.mysql.jdbc.Connection.execSQL(Connection.java:2030)
	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1563)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.logicalcobwebs.proxool.ProxyStatement.invoke(ProxyStatement.java:100)
	at org.logicalcobwebs.proxool.ProxyStatement.intercept(ProxyStatement.java:57)
	at $java.sql.PreparedStatement$$EnhancerByProxool$$2f2a5ae.executeQuery(<generated>)
	at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
	at org.hibernate.loader.Loader.getResultSet(Loader.java:1953)
	at org.hibernate.loader.Loader.doQuery(Loader.java:802)
	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
	at org.hibernate.loader.Loader.doList(Loader.java:2542)
	at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276)
	at org.hibernate.loader.Loader.list(Loader.java:2271)
	at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:459)
	at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:365)
	at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)
	at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1268)
	at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
	at org.springframework.orm.hibernate3.HibernateTemplate$30.doInHibernate

(HibernateTemplate.java:921)
	at org.springframework.orm.hibernate3.HibernateTemplate$30.doInHibernate

(HibernateTemplate.java:1)
	at org.springframework.orm.hibernate3.HibernateTemplate.doExecute

(HibernateTemplate.java:406)
	at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession

(HibernateTemplate.java:374)
	at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:912)
	at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:904)
	at cn.com.hkgt.common.dao.HibernateDaoImpl.find(HibernateDaoImpl.java:59)
	at cn.com.hkgt.business.dao.EveryTimeStatusDao.getInitStatus(EveryTimeStatusDao.java:74)
	at cn.com.hkgt.business.clusterRule.ClusterBo.initData(ClusterBo.java:23)
	at cn.com.hkgt.business.action.CreateBill.execute(CreateBill.java:82)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273)
	at 

org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean$MethodInvokingJob.execute

Internal(MethodInvokingJobDetailFactoryBean.java:264)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)


** END NESTED EXCEPTION **

org.gjt.mm.mysql.Driver  ---------mysql-connector-java-3.0.9-stable-bin.jar

ava.io.EOFException
MESSAGE: Can not read response from server. Expected to read 4 bytes, read 0 bytes before 

connection was unexpectedly lost.
改了jdbc驱动也不好使。。。
最后找到网上的方法。。是因为mysql的wait_timeout。。参数不对。是480.。写成28800就好了。