# bind-address="127.0.0.1" ORIGINAL CAMBIADO POR ELOY , comentar para pasaar desde UAB
bind-address="127.0.0.1"
Estado HTTP 500 - javax.servlet.ServletException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
type Informe de Excepción
mensaje javax.servlet.ServletException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
descripción El servidor encontró un error interno que hizo que no pudiera rellenar este requerimiento.
excepción
org.apache.jasper.JasperException: javax.servlet.ServletException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
causa raíz
javax.servlet.ServletException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:912) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:841) org.apache.jsp.conta_005fcloud_005fmysql2.conectadb_jsp._jspService(conectadb_jsp.java:124) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
causa raíz
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:423) com.mysql.jdbc.Util.handleNewInstance(Util.java:411) com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117) com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:350) com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2393) com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2430) com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2215) com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:813) com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) sun.reflect.GeneratedConstructorAccessor56.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:411) com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399) com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334) java.sql.DriverManager.getConnection(DriverManager.java:664) java.sql.DriverManager.getConnection(DriverManager.java:270) org.apache.jsp.conta_005fcloud_005fmysql2.conectadb_jsp._jspService(conectadb_jsp.java:91) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
causa raíz
java.net.ConnectException: Connection timed out: connect java.net.DualStackPlainSocketImpl.connect0(Native Method) java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) java.net.Socket.connect(Socket.java:589) java.net.Socket.connect(Socket.java:538) java.net.Socket.<init>(Socket.java:434) java.net.Socket.<init>(Socket.java:244) com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:257) com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300) com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2393) com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2430) com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2215) com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:813) com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) sun.reflect.GeneratedConstructorAccessor56.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:411) com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399) com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334) java.sql.DriverManager.getConnection(DriverManager.java:664) java.sql.DriverManager.getConnection(DriverManager.java:270) org.apache.jsp.conta_005fcloud_005fmysql2.conectadb_jsp._jspService(conectadb_jsp.java:91) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
nota La traza completa de la causa de este error se encuentra en los archivos de diario de Apache Tomcat/7.0.41.
