Server Configuration Reference - The JK 2 Connector

# Server Configuration Reference ## The JK 2 Connector |
Introduction
The JK 2 Connector element represents a Connector component that communicates with a web connector via the `AJP` protocol. This is used for cases where you wish to invisibly integrate Tomcat 5 into an existing (or new) Apache installation, and you want Apache to handle the static content contained in the web application, and/or utilize Apache's SSL processing. This connector supports load balancing when used in conjunction with the `jvmRoute` attribute of the Engine.
Attributes
> Common Attributes
> > All implementations of Connector support the following attributes:
> > Attribute | Description
> > --- | ---
> > `enableLookups` | Set to `true` if you want calls to `request.getRemoteHost()` to perform DNS lookups in order to return the actual host name of the remote client. Set to `false` to skip the DNS lookup and return the IP address in String form instead (thereby improving performance). By default, DNS lookups are enabled.
> > `maxPostSize` | The maximum size in bytes of the POST which will be handled by the container FORM URL parameter parsing. The feature can be disbled by setting this attribute to a value inferior or equal to 0. If not specified, this attribute is set to 2097152 (2 megabytes).
> > `redirectPort` | If this Connector is supporting non-SSL requests, and a request is received for which a matching `<security-constraint>` requires SSL transport, Catalina will automatically redirect the request to the port number specified here.
> > `scheme` | Set this attribute to the name of the protocol you wish to have returned by calls to `request.getScheme()`. For example, you would set this attribute to "`https`" for an SSL Connector. The default value is "`http`".
> > `secure` | Set this attribute to `true` if you wish to have calls to `request.isSecure()` to return `true` for requests received by this Connector (you would want this on an SSL Connector). The default value is `false`.
> > `URIEncoding` | This specifies the character encoding used to decode the URI bytes, after %xx decoding the URL. If not specified, ISO-8859-1 will be used.
> Standard Implementation
> > The standard implementation of JK 2 Connector is org.apache.coyote.tomcat5.CoyoteConnector, but you must specify the protocol attribute (see below). This implementation supports the AJP 1.3 protocol. It supports the following additional attributes (in addition to the common attributes listed above):
> > Attribute | Description
> > --- | ---
> > `debug` | The debugging detail level of log messages generated by this component, with higher numbers creating more detailed output. If not specified, this attribute is set to zero (0).
> > `protocol` | This attribute value must be `AJP/1.3` to use the JK 2 handler.
Nested Components
Configuration HOWTOs
Please refer to the JK documentation for HOWTOs and complete configuration information.
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