xmlrpc from php - NoSuchMethodException

hello,

i am trying to access xindice 1.1b4 (tomcat 4.1) from php. therefore i
downloaded the xmlrpc.inc and  class_xindice.php from sourceforge.
According to some users on the web it shold work but i allways get the
same error message for all methods i try. here a small examle from web
which doesnt work for me:


    include("xmlrpc.inc");

    $f = new xmlrpcmsg('db.listDocuments', array(new
xmlrpcval($collection, "string")));

    $c = new xmlrpc_client("/xindice", "127.0.0.1", 8180);
    $r = $c->send($f);
    $v = $r->value();

The Result:
java.lang.NoSuchMethodException:
org.apache.xindice.server.rpc.RPCMessageInterface.db.listDocuments(java.lang.String)'

since this happens for all methods i tried, i think the problem coud be
with my xindice configuration but i dont know what else i could try.

any help will be appriciated, thax

oran g