HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [/getcon.jsp] at line [7]

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

Exception

org.apache.jasper.JasperException: An exception occurred processing [/getcon.jsp] at line [7]

4: %> 
5: <% 
6: Class.forName("com.mysql.jdbc.Driver"); 
7: connection =DriverManager.getConnection("jdbc:mysql://146.88.24.58:3306/tradeas1_trade4db","tradeas1_4asia","nDZ6D%(IbD&u"); 
8:  
9: %>
10: 


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:489)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

javax.servlet.ServletException: com.mysql.cj.jdbc.exceptions.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.handlePageException(PageContextImpl.java:657)
	org.apache.jsp.marrige_002dplace_002dinterior_jsp._jspService(marrige_002dplace_002dinterior_jsp.java:852)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

com.mysql.cj.jdbc.exceptions.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.
	com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828)
	com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448)
	com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
	java.sql.DriverManager.getConnection(DriverManager.java:664)
	java.sql.DriverManager.getConnection(DriverManager.java:247)
	org.apache.jsp.marrige_002dplace_002dinterior_jsp._jspService(marrige_002dplace_002dinterior_jsp.java:150)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

com.mysql.cj.exceptions.CJCommunicationsException: 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.GeneratedConstructorAccessor1322.newInstance(Unknown Source)
	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
	com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
	com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
	com.mysql.cj.NativeSession.connect(NativeSession.java:120)
	com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948)
	com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818)
	com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448)
	com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
	java.sql.DriverManager.getConnection(DriverManager.java:664)
	java.sql.DriverManager.getConnection(DriverManager.java:247)
	org.apache.jsp.marrige_002dplace_002dinterior_jsp._jspService(marrige_002dplace_002dinterior_jsp.java:150)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

Root Cause

java.net.ConnectException: Connection refused (Connection refused)
	java.net.PlainSocketImpl.socketConnect(Native Method)
	java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	java.net.Socket.connect(Socket.java:607)
	com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153)
	com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
	com.mysql.cj.NativeSession.connect(NativeSession.java:120)
	com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948)
	com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818)
	com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448)
	com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
	java.sql.DriverManager.getConnection(DriverManager.java:664)
	java.sql.DriverManager.getConnection(DriverManager.java:247)
	org.apache.jsp.marrige_002dplace_002dinterior_jsp._jspService(marrige_002dplace_002dinterior_jsp.java:150)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

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


Apache Tomcat/9.0.58