mysql异常 大家给看看是什么问题
2010-02-20 22:26:04,140 ERROR [http-80-10] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 0 ms ago.
2010-02-20 22:26:04,406 ERROR [http-80-4] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 1234 ms ago.
2010-02-20 22:26:04,406 ERROR [http-80-8] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 1297 ms ago.
2010-02-20 22:26:04,406 ERROR [http-80-13] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 1297 ms ago.
2010-02-20 22:26:04,390 ERROR [http-80-27] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 438 ms ago.
2010-02-20 22:26:04,156 ERROR [http-80-28] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 0 ms ago.
2010-02-20 22:26:04,156 ERROR [http-80-2] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 0 ms ago.
2010-02-20 22:26:04,140 ERROR [http-80-9] util.JDBCExceptionReporter - Communications link failure

Last packet sent to the server was 438 ms ago.
2010-02-20 22:26:07,250 ERROR [http-80-8] view.GroovyPageView - Error processing GroovyPageView: could not load an entity: [Product#40]; nested exception is org.hibernate.exception.JDBCConnectionException: could not load an entity: [Product#40]
org.springframework.dao.DataAccessResourceFailureException: could not load an entity: [Product#40]; nested exception is org.hibernate.exception.JDBCConnectionException: could not load an entity: [Product#40]
at www1_junjoy_com_WEB_INF_grails_app_views_pub_index_gsp$_run_closure14.doCall(www1_junjoy_com_WEB_INF_grails_app_views_pub_index_gsp:123)
at www1_junjoy_com_WEB_INF_grails_app_views_pub_index_gsp.run(www1_junjoy_com_WEB_INF_grails_app_views_pub_index_gsp:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorR