com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Last packet sent to the server was 0 ms ago.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2104)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:729)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:283)
        at java.sql.DriverManager.getConnection(DriverManager.java:582)
        at java.sql.DriverManager.getConnection(DriverManager.java:185)
        at conexion.AdministradorConexion.<init>(AdministradorConexion.java:40)
        at server.WebQPN.RecepcionRemesa(WebQPN.java:63)
        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:597)
        at com.sun.enterprise.webservice.InstanceResolverImpl$1.invoke(InstanceResolverImpl.java:112)
        at com.sun.xml.ws.server.InvokerTube$2.invoke(InvokerTube.java:146)
        at com.sun.xml.ws.server.sei.EndpointMethodHandler.invoke(EndpointMethodHandler.java:257)
        at com.sun.xml.ws.server.sei.SEIInvokerTube.processRequest(SEIInvokerTube.java:93)
        at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595)
        at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554)
        at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539)
        at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436)
        at com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl.process(AbstractTubeImpl.java:106)
        at com.sun.enterprise.webservice.MonitoringPipe.process(MonitoringPipe.java:147)
        at com.sun.xml.ws.api.pipe.helper.PipeAdapter.processRequest(PipeAdapter.java:115)
        at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595)
        at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554)
        at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539)
        at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436)
        at com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl.process(AbstractTubeImpl.java:106)
        at com.sun.enterprise.webservice.CommonServerSecurityPipe.processRequest(CommonServerSecurityPipe.java:218)
        at com.sun.enterprise.webservice.CommonServerSecurityPipe.process(CommonServerSecurityPipe.java:129)
        at com.sun.xml.ws.api.pipe.helper.PipeAdapter.processRequest(PipeAdapter.java:115)
        at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595)
        at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554)
        at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539)
        at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436)
        at com.sun.xml.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:243)
        at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:444)
        at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:244)
        at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:135)
        at com.sun.enterprise.webservice.JAXWSServlet.doPost(JAXWSServlet.java:176)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:738)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
        at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
        at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)
        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272)
        at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)
        at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)
        at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)
        at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
        at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
        at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
        at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380)
        at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)
        at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)
Caused by: java.net.ConnectException: Connection timed out: connect
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
        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:597)
        at com.sun.enterprise.server.ss.provider.ASPlainSocketImpl$2.run(ASPlainSocketImpl.java:419)
        at java.security.AccessController.doPrivileged(Native Method)
        at com.sun.enterprise.server.ss.provider.ASPlainSocketImpl._invoke(ASPlainSocketImpl.java:416)
        at com.sun.enterprise.server.ss.provider.ASPlainSocketImpl.connect(ASPlainSocketImpl.java:288)
        at com.sun.enterprise.server.ss.provider.ASClientSocketImpl.connect(ASClientSocketImpl.java:2
67)
        at java.net.Socket.connect(Socket.java:519)
        at java.net.Socket.connect(Socket.java:469)
        at java.net.Socket.<init>(Socket.java:366)
        at java.net.Socket.<init>(Socket.java:209)
        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:276)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2027)
        ... 79 more

The login isnt success, try again: java.lang.NullPointerException




Thank you!