java.io.IOException: PHP FastCGI server not running

Question

I configured piwik php code to my apache tomcat server using java-bridge and php-servlet api,

It is working fine for the local environment with window, but while same thing done on test environment, There also working fine but after some time it is falling and giving following exception :

If anyone having the same experience please help me to get it out.

type Exception report

message PHP FastCGI server not running. Please see server log for details. Or start a PHP FastCGI server using the command:

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

exception

java.io.IOException: PHP FastCGI server not running. Please see server log for details. Or start a PHP FastCGI server using the command:
cd /liferay-portal-6.2-ee-sp7/tomcat-7.0.42/webapps/piwik/WEB-INF/cgi/amd64-linux
REDIRECT_STATUS=200 X_JAVABRIDGE_OVERRIDE_HOSTS="/" PHP_FCGI_CHILDREN="5" PHP_FCGI_MAX_REQUESTS="5000" /usr/bin/php-cgi -b 127.0.0.1:9668


    php.java.servlet.fastcgi.FastCGIServlet.handle(FastCGIServlet.java:489)
    php.java.servlet.fastcgi.FastCGIServlet.doGet(FastCGIServlet.java:521)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    php.java.servlet.PhpCGIFilter.doFilter(PhpCGIFilter.java:126)
root cause

java.io.IOException: PHP FastCGI server failed: 
    php.java.servlet.fastcgi.FastCGIServlet.execute(FastCGIServlet.java:439)
    php.java.servlet.fastcgi.FastCGIServlet.handle(FastCGIServlet.java:481)
    php.java.servlet.fastcgi.FastCGIServlet.doGet(FastCGIServlet.java:521)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    php.java.servlet.PhpCGIFilter.doFilter(PhpCGIFilter.java:126)
root cause

php.java.bridge.http.FCGIConnectException: Could not connect to server
    php.java.bridge.http.SocketChannelFactory.doConnect(SocketChannelFactory.java:77)
    php.java.bridge.http.SocketChannelFactory.connect(SocketChannelFactory.java:88)
    php.java.servlet.ContextLoaderListener$1.connect(ContextLoaderListener.java:533)
    php.java.bridge.http.FCGIConnectionPool$Connection.reopen(FCGIConnectionPool.java:101)
    php.java.bridge.http.FCGIConnectionPool.openConnection(FCGIConnectionPool.java:224)
    php.java.servlet.fastcgi.FastCGIServlet.parseBody(FastCGIServlet.java:312)
    php.java.servlet.fastcgi.FastCGIServlet.execute(FastCGIServlet.java:433)
    php.java.servlet.fastcgi.FastCGIServlet.handle(FastCGIServlet.java:481)
    php.java.servlet.fastcgi.FastCGIServlet.doGet(FastCGIServlet.java:521)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    php.java.servlet.PhpCGIFilter.doFilter(PhpCGIFilter.java:126)
root cause

java.net.ConnectException: Connection refused
    java.net.PlainSocketImpl.socketConnect(Native Method)
    java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    java.net.Socket.connect(Socket.java:579)
    java.net.Socket.connect(Socket.java:528)
    java.net.Socket.<init>(Socket.java:425)
    java.net.Socket.<init>(Socket.java:241)
    php.java.bridge.http.SocketChannelFactory.doConnect(SocketChannelFactory.java:75)
    php.java.bridge.http.SocketChannelFactory.connect(SocketChannelFactory.java:88)
    php.java.servlet.ContextLoaderListener$1.connect(ContextLoaderListener.java:533)
    php.java.bridge.http.FCGIConnectionPool$Connection.reopen(FCGIConnectionPool.java:101)
    php.java.bridge.http.FCGIConnectionPool.openConnection(FCGIConnectionPool.java:224)
    php.java.servlet.fastcgi.FastCGIServlet.parseBody(FastCGIServlet.java:312)
    php.java.servlet.fastcgi.FastCGIServlet.execute(FastCGIServlet.java:433)
    php.java.servlet.fastcgi.FastCGIServlet.handle(FastCGIServlet.java:481)
    php.java.servlet.fastcgi.FastCGIServlet.doGet(FastCGIServlet.java:521)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    php.java.servlet.PhpCGIFilter.doFilter(PhpCGIFilter.java:126)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.42 logs.

Apache Tomcat/7.0.42

Thanks! Surendra