mysql报08S01的错误

- SQL Error: 0, SQLState: 08S01

- Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

- SQL Error: 0, SQLState: 08S01

- Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

Exception in thread "Thread-3" org.springframework.dao.DataAccessResourceFailureException: Cannot open connection; nested exception is org.hibernate.exception.JDBCConnectionException: Cannot open connection

at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:625)

at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412)

at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:411)

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 com.zy.common.base.dao.BaseDaoImp.getObjectsByHQL(BaseDaoImp.java:109)

at com.zy.callcenter.services.GalleryClient.getClient(GalleryClient.java:61)

at com.zy.callcenter.call.Handle.ChHandle(Handle.java:518)

at com.zy.callcenter.call.HardThread.run(HardThread.java:35)

Caused by: org.hibernate.exception.JDBCConnectionException: Cannot open connection

at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:97)

at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)

at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)

at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)

at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)

at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161)

at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1577)

at org.hibernate.loader.Loader.doQuery(Loader.java:696)

at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)

at org.hibernate.loader.Loader.doList(Loader.java:2232)

at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2129)

at org.hibernate.loader.Loader.list(Loader.java:2124)

at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:401)

at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:363)

at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)

at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1149)

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)

... 7 more

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)

at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1118)

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