HTTP Status 500 -

type Exception report

message

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

exception

org.apache.jasper.JasperException: javax.servlet.ServletException: javax.servlet.jsp.JspException: Unable to get connection, DataSource invalid: "java.sql.SQLException: Data source rejected establishment of connection,  message from server: "Host 'www.trackinfo.com' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'""
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:548)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:456)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)

root cause

javax.servlet.ServletException: javax.servlet.jsp.JspException: Unable to get connection, DataSource invalid: "java.sql.SQLException: Data source rejected establishment of connection,  message from server: "Host 'www.trackinfo.com' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'""
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:911)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840)
	org.apache.jsp.results_jsp._jspService(results_jsp.java:434)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:433)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)

root cause

javax.servlet.jsp.JspException: Unable to get connection, DataSource invalid: "java.sql.SQLException: Data source rejected establishment of connection,  message from server: "Host 'www.trackinfo.com' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'""
	org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.getConnection(QueryTagSupport.java:276)
	org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.doStartTag(QueryTagSupport.java:159)
	org.apache.jsp.results_jsp._jspx_meth_sql_005fquery_005f2(results_jsp.java:819)
	org.apache.jsp.results_jsp._jspService(results_jsp.java:141)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:433)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.20 logs.