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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 1 post ] 
Author Message
 Post subject: A PooledConnection that has already signalled a Connection
PostPosted: Fri Feb 11, 2011 5:11 am 
Newbie

Joined: Fri Feb 11, 2011 5:02 am
Posts: 1
Hi All,

I am struggling with the below Exception: -

Code:
[c3p0] A PooledConnection that has already signalled a Connection error is still in use!
11:58:45,929 WARN  [NewPooledConnection:487] [c3p0] Another error has occurred [ com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error:


** BEGIN NESTED EXCEPTION **

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

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: Broken pipe

STACKTRACE:

java.net.SocketException: Broken pipe
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
        at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
        at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2637)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1554)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3176)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1153)
        at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1266)
        at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
        at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
        at org.hibernate.loader.Loader.getResultSet(Loader.java:1787)
        at org.hibernate.loader.Loader.doQuery(Loader.java:674)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
        at org.hibernate.loader.Loader.doList(Loader.java:2220)
        at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)
        at org.hibernate.loader.Loader.list(Loader.java:2099)
        at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378)
        at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
        at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
        at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
        at com.aikon.db.IdeaThemeDAO.list(IdeaThemeDAO.java:26)
        at org.apache.jsp.submitExecutiveSummary_jsp._jspService(submitExecutiveSummary_jsp.java:490)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:594)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505)
        at com.liferay.portlet.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:245)
        at com.liferay.portlet.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:87)
        at com.aikon.web.portlet.TeamManagementPortlet.include(TeamManagementPortlet.java:1041)
        at com.aikon.web.portlet.TeamManagementPortlet.doView(TeamManagementPortlet.java:117)
        at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:235)
        at javax.portlet.GenericPortlet.render(GenericPortlet.java:163)
        at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:124)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:594)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505)
        at com.liferay.portlet.CachePortlet._invoke(CachePortlet.java:352)
        at com.liferay.portlet.CachePortlet.render(CachePortlet.java:222)
        at org.apache.jsp.html.portal.render_005fportlet_jsp._jspService(render_005fportlet_jsp.java:1012)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.strip.StripFilter.doFilter(StripFilter.java:261)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.compression.CompressionFilter.doFilter(CompressionFilter.java:125)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.doFilter(VirtualHostFilter.java:136)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:594)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505)
        at com.liferay.portal.util.PortalUtil.renderPortlet(PortalUtil.java:1435)
        at com.liferay.portlet.layoutconfiguration.util.RuntimePortletUtil.processPortlet(RuntimePortletUtil.java:164)
        at com.liferay.portlet.layoutconfiguration.util.RuntimePortletUtil.processPortlet(RuntimePortletUtil.java:90)
        at com.liferay.portlet.layoutconfiguration.util.RuntimePortletUtil.processPortlet(RuntimePortletUtil.java:77)
        at com.liferay.portlet.layoutconfiguration.util.velocity.PortletLogic.processContent(PortletLogic.java:79)
        at com.liferay.portlet.layoutconfiguration.util.velocity.TemplateProcessor.processMax(TemplateProcessor.java:81)
        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:585)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:295)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:245)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:203)
        at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:294)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)
        at org.apache.velocity.app.Velocity.evaluate(Velocity.java:322)
        at org.apache.velocity.app.Velocity.evaluate(Velocity.java:195)
        at com.liferay.portlet.layoutconfiguration.util.RuntimePortletUtil.processTemplate(RuntimePortletUtil.java:212)
        at org.apache.jsp.html.portal.layout.view.portlet_jsp._jspService(portlet_jsp.java:715)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.strip.StripFilter.doFilter(StripFilter.java:261)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.compression.CompressionFilter.doFilter(CompressionFilter.java:125)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.doFilter(VirtualHostFilter.java:136)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:594)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505)
        at com.liferay.taglib.util.IncludeTag.doEndTag(IncludeTag.java:62)
        at org.apache.jsp.html.portal.layout_jsp._jspService(layout_jsp.java:754)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.strip.StripFilter.doFilter(StripFilter.java:261)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.compression.CompressionFilter.doFilter(CompressionFilter.java:125)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.doFilter(VirtualHostFilter.java:136)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:594)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505)
        at com.liferay.taglib.util.VelocityTaglib.include(VelocityTaglib.java:294)
        at sun.reflect.GeneratedMethodAccessor735.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:295)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:245)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:203)
        at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:294)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:107)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:88)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)
        at org.apache.velocity.Template.merge(Template.java:254)
        at com.liferay.taglib.util.ThemeUtil.includeVM(ThemeUtil.java:194)
        at com.liferay.taglib.util.ThemeUtil.include(ThemeUtil.java:68)
        at com.liferay.taglib.util.IncludeTag.doEndTag(IncludeTag.java:57)
        at org.apache.jsp.html.common.themes.portal_jsp._jspx_meth_liferay_002dtheme_005finclude_005f1(portal_jsp.java:757)
        at org.apache.jsp.html.common.themes.portal_jsp._jspx_meth_c_005fotherwise_005f0(portal_jsp.java:730)
        at org.apache.jsp.html.common.themes.portal_jsp._jspService(portal_jsp.java:667)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.strip.StripFilter.doFilter(StripFilter.java:261)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.compression.CompressionFilter.doFilter(CompressionFilter.java:125)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.doFilter(VirtualHostFilter.java:136)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
        at com.liferay.portal.struts.StrutsUtil.forward(StrutsUtil.java:86)
        at com.liferay.portal.struts.PortalRequestProcessor.doForward(PortalRequestProcessor.java:180)
        at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:239)
        at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:302)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)
        at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:157)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
        at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
        at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.java:280)
        at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:534)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.secure.SecureFilter.doFilter(SecureFilter.java:144)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.doFilter(VirtualHostFilter.java:136)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
        at com.liferay.portal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:126)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.strip.StripFilter.doFilter(StripFilter.java:95)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.secure.SecureFilter.doFilter(SecureFilter.java:144)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.compression.CompressionFilter.doFilter(CompressionFilter.java:116)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.filters.doubleclick.DoubleClickFilter.doFilter(DoubleClickFilter.java:138)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.layoutcache.LayoutCacheFilter.doFilter(LayoutCacheFilter.java:170)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.doFilter(AutoLoginFilter.java:106)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.doFilter(VirtualHostFilter.java:136)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
        at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
        at java.lang.Thread.run(Thread.java:595)


** END NESTED EXCEPTION **



Last packet sent to the server was 3 ms ago.

STACKTRACE:

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

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: Broken pipe

STACKTRACE:

java.net.SocketException: Broken pipe


This Exception comes very infrequently. Observation says that this happens when long time no one access performs any action on application.

After going thru many forums, I identified that "Committing after every transaction may sort this problem out". But in my case, Exception is coming from the code line where I am not doing any Insertion or Updation in to the database. All I am doing is performing "Select Query" via Hibernate. I am not getting where I am going wrong.

Any help will be highly appreciated.

Regards,
Nilesh.


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