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The Relay transport in newer versions of Carbon (starting from version 4.0.0) is an entire HTTP transport implementation based on HTTP Core NIO. This can be used as an alternative to the NHTTP transport. It doesn't really care about the content type and simply streams all received messages through. It's as if the old Message Relay was engaged on all possible content types. The new transport also has a simpler and cleaner model for forwarding messages back and forth.

To enable this, uncomment remove the comment of the relevant HTTP transport entries in the axis2.xml. Also, comment out the usual settings for NHTTP transport receiver and sender.

Transport Receiver Parameters

Infotip
titleTip

In transport parameter tables, literals displayed in italic mode under the "Possible Values" column should be considered as fixed literal constant values. Those values can be directly put in transport configurations.

Parameter Name

Description

Requried Required

Possible Values

Default Value

port

The port on which this transport receiver should listen for incoming messages.

No

A positive integer less than 65535

8280

non-blocking

Setting this parameter to true is vital for reliable messaging and a number of other scenarios to work properly.

Yes

true

 

bind-address

The address of the interface to which the transport listener should bind.

No

A host name or an IP address

127.0.0.1

hostname

The host name of the server to be displayed in service EPRs, WSDLs etc. This parameter takes effect only when the WSDLEPRPrefix parameter is not set.

No

A host name or an IP address

localhost

WSDLEPRPrefix

A URL prefix which will be added to all service EPRs and EPRs in WSDLs etc.

No

A URL of the form <protocol>://<hostname>:<port>/

 

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