java.lang.RuntimeException: EXCEPTION Server connection failure during transaction. Due to underlying exception: 'com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: "Too many connections"'. ** BEGIN NESTED EXCEPTION ** com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException MESSAGE: Data source rejected establishment of connection, message from server: "Too many connections" STACKTRACE: com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: "Too many connections" at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:921) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:997) at com.mysql.jdbc.Connection.createNewIO(Connection.java:2818) at com.mysql.jdbc.Connection.(Connection.java:1531) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266) at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at org.apache.jsp.web.bible.dailyMaterial_jsp.getResultSet(dailyMaterial_jsp.java:181) at org.apache.jsp.web.bible.dailyMaterial_jsp.rs(dailyMaterial_jsp.java:388) at org.apache.jsp.web.bible.dailyMaterial_jsp._jspService(dailyMaterial_jsp.java:2390) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:613) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 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) ** END NESTED EXCEPTION ** Attempted reconnect 3 times. Giving up.select (select ID from DailyMaterial where ID > A.ID AND Type='STEVENHU' order by ID limit 0, 1 ) NID,(select Title from DailyMaterial where ID > A.ID AND Type='STEVENHU' order by ID limit 0, 1) NTITLE,(select ID from DailyMaterial where ID < A.ID AND Type='STEVENHU' order by ID DESC limit 0, 1) PID,(select Title from DailyMaterial where ID < A.ID AND Type='STEVENHU' order by ID DESC limit 0, 1) PTITLE,ID, Title, Content, Date , URL from DailyMaterial A where Type='STEVENHU' AND Date <='20200925' order by ID desc limit 0, 1