HTTP Status 500 - javax.servlet.ServletException: java.sql.SQLException: Too many connections

type Exception report

message javax.servlet.ServletException: java.sql.SQLException: Too many connections

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: javax.servlet.ServletException: java.sql.SQLException: Too many connections
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:560)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:461)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

javax.servlet.ServletException: java.sql.SQLException: Too many connections
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:909)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:838)
	org.apache.jsp.No_005fTerminal.news.NewsArticle_jsp._jspService(NewsArticle_jsp.java:1138)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

java.sql.SQLException: Too many connections
	com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2851)
	com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:753)
	com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3562)
	com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1154)
	com.mysql.jdbc.Connection.createNewIO(Connection.java:1702)
	com.mysql.jdbc.Connection.<init>(Connection.java:405)
	com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:268)
	java.sql.DriverManager.getConnection(DriverManager.java:664)
	java.sql.DriverManager.getConnection(DriverManager.java:247)
	au.com.goldcoastlogin.Utilities.ConnectionPool.makeNewConnection(ConnectionPool.java:166)
	au.com.goldcoastlogin.Utilities.ConnectionPool.<init>(ConnectionPool.java:48)
	org.apache.jsp.No_005fTerminal.news.NewsArticle_jsp._jspService(NewsArticle_jsp.java:214)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.46 logs.


Apache Tomcat/8.0.46