The app server, web server and everything in between

Hari Krishna Kallae, Adobe

Immanuel Noel, Adobe

The App Server, Web Server and Everything in Between

ColdFusionAnd

Tomcat

Agenda

ColdFusion and Tomcat

Request flow in Built-in Webserver

Modifications to the Bundled Tomcat

ColdFusion updates

Configuration Tweaks

Web Servers and Connectors

Apache

Other Web Servers

ColdFusionAnd

Tomcat

Agenda

ColdFusion updates

Apache

Other Web Servers

ColdFusion 9 ColdFusion 10+

ColdFusion

Request Flow in the Built-In WebServer

Request 1 Request 2

Tomcat – The Built in Web Server

Request 3

server.xml

web.xml

Directory Structure

CGI scope variables support

SES (Search Engine Safe) URL support

Session replication in cluster

Multiple webroot support

Output buffer size

Modifications to the bundled Tomcat

Modifications to the bundled Tomcat: Directory Structure

Directory structure matches earlier versions

Exceptions:

“Instance” replaces “Multi-Server”

Server.xml replaces jrun.xml

JRE isolated from instances, to enable common access across instances

Connector specific files isolated from the core server

Modifications to the bundled Tomcat: CGI scope variables

Many CGI scopes were not supported as Tomcat did not had a way to query the webserver

CGI ScopeAUTH_PASSWORD

HTTP_CONNECTION

HTTP_COOKIE

HTTPS_SERVER_SUBJECT

SERVER_PORT

SERVER_NAME

AUTH_TYPE

CERT_COOKIE

CERT_FLAGS

HTTPS_SECRETKEYSIZE

Modifications to the bundled Tomcat: SES URL Support

http://domain.com/index.cfm/about/contact/

ColdFusion Page: index.cfm

CGI.PATH_INFO: /about/contact/

Modifications to the bundled Tomcat: Session Replication in Cluster

Sticky session

Session replication

Cluster

Instance 1

Instance 2

Instance 3

Session replication

Request 1 Request 2

Tomcat

Request 3

ColdFusion

Modifications to the bundled Tomcat: Multiple webroot support

File exists in CF

webroot

No External Web Server

Modifications to the bundled Tomcat: Output buffer size

Vanilla Tomcat connector performance was low due to limitations in Output buffer size

Tomcat connector (AJP) was built to work with 8kb packet size data

In ColdFusion the Output buffer size was increased to

64kb in AJP which shown a 15% increase in the performance

Update to ColdFusion in October 2014

ColdFusion 10Tomcat upgraded to

7.0.54Connector upgraded to

1.2.40Apache 2.4 Support

ColdFusion 9, 9.0.1, 9.0.2

Security fixes

ColdFusion 10JDK 8 Support, Security fixes, 60+

bug fixes

ColdFusion 11Security fixes

Server.xmlWeb.xmlLogging

Server.xml: Web Server Configuration

<Connector port="8500" protocol="HTTP/11"

connectionTimeout="20000"

redirectPort="8447" />

Server.xml: Default Webroot

<Context path="/"

docBase="<cf_home>\wwwroot"

WorkDir="<cf_home>\runtime\conf\Catalina\localhost\tmp">

</Context>

Do not forget to copy CFIDE and WEB-INF folders present in <cf_home>\cfusion\wwwroot\ to the new webroot folder

Server.xml: Virtual Directory

To add a virtual directory, uncomment context tag in server.xml

<Context path="/"

docBase="<cf_home>\wwwroot"

WorkDir="<cf_home>\runtime\conf\Catalina\localhost\tmp"

aliases="/myWebroot=C:\newwebroot\VD“ >

</Context>

Multiple virtual directories can be created with aliases aliases=“/aliasPath1=docBase1,/aliasPath2=docBase2”

Do not forget to copy WEB-INF folder present in <cf_home>\cfusion\wwwroot\ to the new webroot folder

Virtual Directory

Web.xml: Directory Browsing

C:\ColdFusion11\cfusion\runtime\conf\web.xml

<servlet> <servlet-name>default</servlet-name> <servlet-class> org.apache.catalina.servlets.DefaultServlet </servlet-class> <init-param> <param-name>listings</param-name>

<param-value>false</param-value>

</init-param> <load-on-startup>1</load-on-startup></servlet>

Logging

C:\ColdFusion11\cfusion\lib\Neo-logging.xml

maxOutLogSize – Log file size

maxOutFileBackup – Number of Archives

By default ColdFusion uses “MM/dd/yy” format If you wish to change it, you can do it by changing the columns and patterns to any standard date format

</var>

Logging

Summary

Modifications to the Tomcat Web Server

ColdFusion Updates

Web Servers

AndConnectors

Revisiting the Agenda…

ColdFusion Updates

Apache

Other Web Servers

Web Servers & Connectors

ColdFusion + Tomcat

ApacheHTTPD

Web Server

InternetInformation

Services

Connector

Other Web Servers

Connector

ColdFusion + Tomcat

ApacheHTTPD

Web Server

InternetInformation

Services

Connector

Other Web Servers

A connection between the ColdFusion server and webserversBuilt separately for 14 different configurations

Source Available

WsConfig Tool

ColdFusion + Tomcat

ApacheHTTPD

Web Server

InternetInformation

Services

Connector (WSConfig tool)

Other Web Servers

The Web Server Configuration Tool

-ws apache

–dir <Apache>/conf/

-bin <Apache>/bin/httpd

–script <Apache>/bin/apachectl

cluster ColdFusion Cluster Name

host IP of the remote ColdFusion server

norestart Avoid restarting the web server

ws32 Configuring a 32bit webserver on a 64bit machine

Independent of the webserver

WsConfig Parameters:<cfusion>/runtime/bin/wsconfig

-ws iis

–site All / <Site Name>

ColdFusion + Tomcat

ApacheHTTPD

Web Server

InternetInformation

Services

Other Web Servers

The Apache Connector

Apache 2.4 support for CF 10

Setting up the Connector

Modified Apache Configurations

Connector Configurations

The Apache Connector: Ubuntu

Ubuntu distributes a customized version of Apache

And does a few things differently

./wsconfig –ws apache

–dir /etc/apache2

–bin /usr/sbin/apache2ctl

–script /usr/sbin/apache2ctl

./apache2ctl needs to be specified as the Apache Binary

Optional

ColdFusion + Tomcat

ApacheHTTPD

Web Server

InternetInformation

Services

Other Web Servers

The IIS Connector

Setting up the Connector

Modified IIS Configurations

Connector Configurations

Configuring with IIS: Tuning

1. Connection Pool Size

2. Reuse Connections (max_reuse_connections)

3. Connection Pool Timeout

Values need to specified in server.xml, in addition to worker.properties

The Big

3worker.properties

ColdFusion + Tomcat

ApacheHTTPD

Web Server

InternetInformation

Services

Connector

Other Web Servers

Other Configuration Mechanisms

BoncodeAn IIS Connector, built by Bilal Soylu

NGinXA hack

Read: Not (yet) supported by Adobe

Web Server Market ShareSource: Netcraft

Apache IIS NginX

Other Configuration Mechanisms: Boncode

An IIS Connector

Boncode or ColdFusion Connector - A matter of preference

Uses the AJP protocol, opposed to the ISAPI route that ColdFusion connector takes

Other Configuration Mechanisms: NginX

ColdFusion

Source: Wikipedia

References

Connector Sourcehttp://helpx.adobe.com/coldfusion/kb/rhel-connector-configuration.html

IIS Connector Tuninghttp://blogs.coldfusion.com/post.cfm/coldfusion-11-iis-connector-tuning

Removing Connectors Manuallyhttp://blog.immanuelnoel.com/2014/07/17/coldfusion-11-manually-remove-connector-configuration/

IIS Boncode Connectorhttp://boncode.net/connector/webdocs/Tomcat_Connector.htm#_Toc399840617

NginX Reverse Proxyhttp://nginx.com/resources/admin-guide/reverse-proxy/

Summary

Modifications to the Tomcat Web Server

Configuration Internals with Apache and IIS

Configuring with NginX and with Boncode

QUESTIONS ?Harikrishna Kallae

http://hkallae.wordpress.comTwitter: @hkallae

Immanuel Noel http://blog.immanuelnoel.com

Twitter: @ImmanuelNoel

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