HTTP Status 500 – Internal Server Error


Type Exception Report

Message could not execute query

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.hibernate.exception.JDBCConnectionException: could not execute query
	org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:99)
	org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
	org.hibernate.loader.Loader.doList(Loader.java:2545)
	org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276)
	org.hibernate.loader.Loader.list(Loader.java:2271)
	org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:316)
	org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1842)
	org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:165)
	org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:157)
	db.ManageCds.getByCodice(ManageCds.java:19)
	windows.Index.<init>(Index.java:90)
	sun.reflect.GeneratedConstructorAccessor1083.newInstance(Unknown Source)
	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	java.lang.Class.newInstance(Class.java:442)
	org.zkoss.zk.ui.metainfo.impl.ComponentDefinitionImpl.newInstance(ComponentDefinitionImpl.java:331)
	org.zkoss.zk.ui.metainfo.impl.ComponentDefinitionImpl.newInstance(ComponentDefinitionImpl.java:314)
	org.zkoss.zk.ui.metainfo.ComponentInfo.newInstance(ComponentInfo.java:627)
	org.zkoss.zk.ui.impl.AbstractUiFactory.newComponent(AbstractUiFactory.java:126)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:908)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:877)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:748)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:822)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:771)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:709)
	org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:452)
	org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:358)
	org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:217)
	org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:136)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Root Cause

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 145,010,405 milliseconds ago.  The last packet sent successfully to the server was 145,010,406 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
	sun.reflect.GeneratedConstructorAccessor131.newInstance(Unknown Source)
	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
	com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
	com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3706)
	com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2506)
	com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2675)
	com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2465)
	com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1912)
	com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2020)
	org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
	org.hibernate.loader.Loader.getResultSet(Loader.java:1953)
	org.hibernate.loader.Loader.doQuery(Loader.java:802)
	org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
	org.hibernate.loader.Loader.doList(Loader.java:2542)
	org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276)
	org.hibernate.loader.Loader.list(Loader.java:2271)
	org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:316)
	org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1842)
	org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:165)
	org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:157)
	db.ManageCds.getByCodice(ManageCds.java:19)
	windows.Index.<init>(Index.java:90)
	sun.reflect.GeneratedConstructorAccessor1083.newInstance(Unknown Source)
	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	java.lang.Class.newInstance(Class.java:442)
	org.zkoss.zk.ui.metainfo.impl.ComponentDefinitionImpl.newInstance(ComponentDefinitionImpl.java:331)
	org.zkoss.zk.ui.metainfo.impl.ComponentDefinitionImpl.newInstance(ComponentDefinitionImpl.java:314)
	org.zkoss.zk.ui.metainfo.ComponentInfo.newInstance(ComponentInfo.java:627)
	org.zkoss.zk.ui.impl.AbstractUiFactory.newComponent(AbstractUiFactory.java:126)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:908)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:877)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:748)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:822)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:771)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:709)
	org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:452)
	org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:358)
	org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:217)
	org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:136)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Root Cause

java.net.SocketException: Broken pipe (Write failed)
	java.net.SocketOutputStream.socketWrite0(Native Method)
	java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
	java.net.SocketOutputStream.write(SocketOutputStream.java:155)
	java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
	java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
	com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3688)
	com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2506)
	com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2675)
	com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2465)
	com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1912)
	com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2020)
	org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
	org.hibernate.loader.Loader.getResultSet(Loader.java:1953)
	org.hibernate.loader.Loader.doQuery(Loader.java:802)
	org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
	org.hibernate.loader.Loader.doList(Loader.java:2542)
	org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276)
	org.hibernate.loader.Loader.list(Loader.java:2271)
	org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:316)
	org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1842)
	org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:165)
	org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:157)
	db.ManageCds.getByCodice(ManageCds.java:19)
	windows.Index.<init>(Index.java:90)
	sun.reflect.GeneratedConstructorAccessor1083.newInstance(Unknown Source)
	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	java.lang.Class.newInstance(Class.java:442)
	org.zkoss.zk.ui.metainfo.impl.ComponentDefinitionImpl.newInstance(ComponentDefinitionImpl.java:331)
	org.zkoss.zk.ui.metainfo.impl.ComponentDefinitionImpl.newInstance(ComponentDefinitionImpl.java:314)
	org.zkoss.zk.ui.metainfo.ComponentInfo.newInstance(ComponentInfo.java:627)
	org.zkoss.zk.ui.impl.AbstractUiFactory.newComponent(AbstractUiFactory.java:126)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:908)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:877)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:748)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:822)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:771)
	org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:709)
	org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:452)
	org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:358)
	org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:217)
	org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:136)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/7.0.94 (Debian)