Error:

Message it.webconsulting.util.DataObjectException: La connessione TCP/IP all'host 192.168.12.4, porta 1433 non Ŕ riuscita. Errore: "Connection refused: connect. Verificare le proprietÓ di connessione. Assicurarsi che un'istanza di SQL Server sia in esecuzione sull'host e accetti le connessioni TCP/IP alla porta. Verificare inoltre che le connessioni TCP alla porta non siano bloccate da un firewall.". 
Stack Trace:
javax.servlet.ServletException: it.webconsulting.util.DataObjectException: La connessione TCP/IP all'host 192.168.12.4, porta 1433 non Ŕ riuscita. Errore: "Connection refused: connect. Verificare le proprietÓ di connessione. Assicurarsi che un'istanza di SQL Server sia in esecuzione sull'host e accetti le connessioni TCP/IP alla porta. Verificare inoltre che le connessioni TCP alla porta non siano bloccate da un firewall.".
javax.servlet.ServletException: it.webconsulting.util.DataObjectException: La connessione TCP/IP all'host 192.168.12.4, porta 1433 non Ŕ riuscita. Errore: "Connection refused: connect. Verificare le proprietÓ di connessione. Assicurarsi che un'istanza di SQL Server sia in esecuzione sull'host e accetti le connessioni TCP/IP alla porta. Verificare inoltre che le connessioni TCP alla porta non siano bloccate da un firewall.".
	at com.libra.websi.servlet.GlobalService.zoomSottofamiglia(GlobalService.java:783)
	at sun.reflect.GeneratedMethodAccessor186.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at it.webconsulting.util.servlet.GenericService.doGet(GenericService.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:747)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:485)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:410)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337)
	at it.webconsulting.util.servlet.ServletDispatcher.doGet(ServletDispatcher.java:140)
	at com.libra.websi.servlet.LibraWebServletDispatcher.doGet(LibraWebServletDispatcher.java:66)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:747)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:485)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:410)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337)
	at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1083)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:640)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Unknown Source)
Caused by: it.webconsulting.util.DataObjectException: La connessione TCP/IP all'host 192.168.12.4, porta 1433 non Ŕ riuscita. Errore: "Connection refused: connect. Verificare le proprietÓ di connessione. Assicurarsi che un'istanza di SQL Server sia in esecuzione sull'host e accetti le connessioni TCP/IP alla porta. Verificare inoltre che le connessioni TCP alla porta non siano bloccate da un firewall.".
	at com.libra.websi.dataObject.GlobalDO.getSottofamiglie(GlobalDO.java:698)
	at com.libra.websi.dataObject.GlobalDO.getSottofamiglia(GlobalDO.java:716)
	at com.libra.websi.servlet.GlobalService.zoomSottofamiglia(GlobalService.java:752)
	... 49 more

La connessione TCP/IP all'host 192.168.12.4, porta 1433 non Ŕ riuscita. Errore: "Connection refused: connect. Verificare le proprietÓ di connessione. Assicurarsi che un'istanza di SQL Server sia in esecuzione sull'host e accetti le connessioni TCP/IP alla porta. Verificare inoltre che le connessioni TCP alla porta non siano bloccate da un firewall.".
it.webconsulting.util.DataObjectException: La connessione TCP/IP all'host 192.168.12.4, porta 1433 non Ŕ riuscita. Errore: "Connection refused: connect. Verificare le proprietÓ di connessione. Assicurarsi che un'istanza di SQL Server sia in esecuzione sull'host e accetti le connessioni TCP/IP alla porta. Verificare inoltre che le connessioni TCP alla porta non siano bloccate da un firewall.".
	at com.libra.websi.dataObject.GlobalDO.getSottofamiglie(GlobalDO.java:698)
	at com.libra.websi.dataObject.GlobalDO.getSottofamiglia(GlobalDO.java:716)
	at com.libra.websi.servlet.GlobalService.zoomSottofamiglia(GlobalService.java:752)
	at sun.reflect.GeneratedMethodAccessor186.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at it.webconsulting.util.servlet.GenericService.doGet(GenericService.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:747)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:485)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:410)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337)
	at it.webconsulting.util.servlet.ServletDispatcher.doGet(ServletDispatcher.java:140)
	at com.libra.websi.servlet.LibraWebServletDispatcher.doGet(LibraWebServletDispatcher.java:66)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:747)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:485)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:410)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337)
	at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
	at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
	at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
	at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1083)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:640)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Unknown Source)