com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.io.EOFException

STACKTRACE:

java.io.EOFException
   at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1934)
   at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2380)
   at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2909)
   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1600)
   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1695)
   at com.mysql.jdbc.Connection.execSQL(Connection.java:3004)
   at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1128)
   at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1222)
   at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
   at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)
   at org.hibernate.loader.Loader.doQuery(Loader.java:662)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
   at org.hibernate.loader.Loader.doList(Loader.java:2145)
   at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)
   at org.hibernate.loader.Loader.list(Loader.java:2024)
   at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:392)
   at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:333)
   at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
   at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1114)
   at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
   at org.hibernate.impl.AbstractQueryImpl.uniqueResult(AbstractQueryImpl.java:756)
   at helpframework.persistencia.hibernate.impl.HibernateGenericDAO.getUniqueResultByQuery(HibernateGenericDAO.java:412)
   at br.com.easycm.dao.DefaultPaisDAO.obterPaisPorNome(DefaultPaisDAO.java:26)
   at br.com.easycm.web.tags.site.GetPaisTag.doStartTag(GetPaisTag.java:21)
   at org.apache.jsp.testes_002dtag.teste_005fpais_jsp._jspx_meth_easycmManager_getPais_0(org.apache.jsp.testes_002dtag.teste_005fpais_jsp:145)
   at org.apache.jsp.testes_002dtag.teste_005fpais_jsp._jspService(org.apache.jsp.testes_002dtag.teste_005fpais_jsp:118)
   at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
   at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at br.com.easycm.web.ConnectionManagerFilter.doFilter(ConnectionManagerFilter.java:72)
   at br.com.easycm.web.ConnectionManagerJspFilter.doFilter(ConnectionManagerJspFilter.java:25)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
   at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
   at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
   at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
   at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
   at java.lang.Thread.run(Unknown Source)


** END NESTED EXCEPTION **



Last packet sent to the server was 16 ms ago.
   at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2592)
   at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2909)
   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1600)
   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1695)
   at com.mysql.jdbc.Connection.execSQL(Connection.java:3004)
   at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1128)
   at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1222)
   at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
   at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)
   at org.hibernate.loader.Loader.doQuery(Loader.java:662)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
   at org.hibernate.loader.Loader.doList(Loader.java:2145)
   at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)
   at org.hibernate.loader.Loader.list(Loader.java:2024)
   at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:392)
   at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:333)
   at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
   at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1114)
   at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
   at org.hibernate.impl.AbstractQueryImpl.uniqueResult(AbstractQueryImpl.java:756)
   at helpframework.persistencia.hibernate.impl.HibernateGenericDAO.getUniqueResultByQuery(HibernateGenericDAO.java:412)
   at br.com.easycm.dao.DefaultPaisDAO.obterPaisPorNome(DefaultPaisDAO.java:26)
   at br.com.easycm.web.tags.site.GetPaisTag.doStartTag(GetPaisTag.java:21)
   at org.apache.jsp.testes_002dtag.teste_005fpais_jsp._jspx_meth_easycmManager_getPais_0(org.apache.jsp.testes_002dtag.teste_005fpais_jsp:145)
   at org.apache.jsp.testes_002dtag.teste_005fpais_jsp._jspService(org.apache.jsp.testes_002dtag.teste_005fpais_jsp:118)
   at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
   at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at br.com.easycm.web.ConnectionManagerFilter.doFilter(ConnectionManagerFilter.java:72)
   at br.com.easycm.web.ConnectionManagerJspFilter.doFilter(ConnectionManagerJspFilter.java:25)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
   at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
   at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
   at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
   at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
   at java.lang.Thread.run(Unknown Source)


** END NESTED EXCEPTION **


   at com.mysql.jdbc.Connection.checkClosed(Connection.java:1844)
   at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4306)
   at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4272)
   at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:497)
   at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:415)
   at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)
   at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1561)
   at org.hibernate.loader.Loader.doQuery(Loader.java:661)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
   at org.hibernate.loader.Loader.doList(Loader.java:2145)
   ... 37 more