<p style="margin:0;padding:0;" >It's working on a seaside server, but not on a RestServer.</p><p style="margin:0;padding:0;" >This code should show you the problem.</p><p style="margin:0;padding:0;" ><br /></p><p style="margin:0;padding:0;" >| server |</p><p style="margin:0;padding:0;" >server := ZnServer startOn: 1700 .</p><p style="margin:0;padding:0;" ><span class="Apple-tab-span" style="white-space: pre">        </span>server delegate:&nbsp;</p><p style="margin:0;padding:0;" ><span class="Apple-tab-span" style="white-space: pre">                </span>(ZnRestServerDelegate new&nbsp;</p><p style="margin:0;padding:0;" ><span class="Apple-tab-span" style="white-space: pre">                        </span>uriSpace: (ZnCallHierarchyRestUriSpace new&nbsp;</p><p style="margin:0;padding:0;" ><span class="Apple-tab-span" style="white-space: pre">                                                        </span>rootClass: ZnExampleSumRestCall;</p><p style="margin:0;padding:0;" ><span class="Apple-tab-span" style="white-space: pre">                                                        </span>yourself);&nbsp;</p><p style="margin:0;padding:0;" ><span class="Apple-tab-span" style="white-space: pre">                        </span>yourself).</p><p style="margin:0;padding:0;" ><br /></p><p style="margin:0;padding:0;" ><br /></p><p style="margin:0;padding:0;" ><br /></p><p style="margin:0;padding:0;" ><br /></p><p style="margin:0;padding:0;" >(ZnClient new) get: 'http://localhost:1700/appName?action=&amp;firstParameter=[&quot;Value&quot;]&amp;secondParameter=[&quot;Value&quot;]&amp;lastParameter={ &quot;Key&quot;:[&quot;firstValue&quot;,&quot;secondValue&quot;]}'</p><p style="margin:0;padding:0;" ><br /></p><p style="margin:0;padding:0;" >Regards.</p><p style="margin:0;padding:0;" > </p>