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The following page has been changed by CyrilleLeClerc: http://wiki.apache.org/ws/FrontPage/Axis/AxisCommonsHTTP The comment on the change is: Add "Q: How do I enable Http Keep Alive with CommonsHTTPSender ?" ------------------------------------------------------------------------------ ##language:en '''Q: How do I configure the Axis client to pool connections with {{{Apache Jakarta Commons-HttpClient?}}}''' - A: You'll need to install [http://jakarta.apache.org/commons/httpclient/ Jakarta Commons Http Client] jar in your CLASSPATH or WEB-INF/lib, if your client is deployed as a web application. + A: You'll need to add the [http://jakarta.apache.org/commons/httpclient/ Jakarta Commons Http Client] jar in your CLASSPATH or WEB-INF/lib (for web applications). - Note that if you are building Axis from source, you will also need to put commons-httpclient jar in Axis dependencies directory so that the {{{CommonsHTTPSender}}} class is built. + (!) Note that if you are building Axis from source, you will also need to put commons-httpclient jar in Axis dependencies directory so that the {{{CommonsHTTPSender}}} class is built. Next, you'll need to install a client-config.wsdd (sample [attachment:client-config.wsdd here]) that tells Axis to use {{{CommonsHTTPSender}}} instead of the standard HTTPSender when sending/receiving messages via HTTP. Here's an example: @@ -74, +74 @@ In Axis 1.3, the {{{MultiThreadedHttpConnectionManager}}} is an internal of the Service``Locator and thus, it is not possible to share the same {{{MultiThreadedHttpConnectionManager}}} between several Service``Locators (i.e. between several web services). + ''' Q: How do I enable Http Keep Alive with CommonsHTTPSender ?''' + + Http keep-alive is enabled by default with CommonsHTTPSender : there is no special configuration nor coding instruction to add. + + This is due to the fact that, by default, CommonsHTTPSender uses HTTP 1.1 and HTTP 1.1 specification states that, by default, http connections are persistent (i.e. use keep-alive). + + Extract from [http://www.w3.org/Protocols/rfc2616/rfc2616-sec8.html#sec8.1.2.1 RFC 2616 : HTTP/1.1 - Persistent Connection] : + ''An HTTP/1.1 server MAY assume that a HTTP/1.1 client intends to maintain a persistent connection unless a Connection header including the connection-token "close" was sent in the request'' + '''Further readings''' {{{CommonsHTTPSender}}} relies on the {{{MultiThreadedHttpConnectionManager}}} of Jakarta Commons Http Client.
