Hello,
We are using XML-RPC over HTTPS from within an applet. It works fine until the browser is setup to use a proxy server. In this case we get the following IOException in the client:
Caused by: java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 400 Bad Request ( The data is invalid. )"
at org.apache.xmlrpc.XmlRpcClient$Worker.execute(XmlRpcClient.java:444)
at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:163)
Our code does the following:
URL rpcURL = new URL(getCodeBase(), "/servlet/RpcServlet");
XmlRpcClient xmlrpc = new XmlRpcClient(rpcURL);
xmlrpc.execute(..., ....);
Since the applet jar files HTML page is loaded over https, then the above rpcURL is https:// etc.
I have read that "Sun's Java Secure Socket Extension (JSSE) library allows you to access a secure Web server from behind a firewall via proxy tunnelling. However, JSSE expects the proxy's reply to the tunnelling request to begin with "HTTP 1.0"; otherwise, it throws an IOException" (http://www.javaworld.com/javatips/jw-javatip111_p.html)
Could this be causing the problem?
Does XML-RPC allow us to overcome this problem? I notice that the XmlRpcClient constructor allows us to pass in a XmlRpcTransportFactory. Should we be passing an instance of your SunSSLTransportFactory?
Any help on this would be greatly appreciated.
Many thanks
mark
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