ok I got the server to send something. Problem indeed was with the client. Here's proof that he is transmitting:

16-srp-09 14:51:19,953 |INFO |LightstreamerLogger.license |main |This is a trial version.
16-srp-09 14:51:21,437 |INFO |LightstreamerLogger.init |main |Lightstreamer Server starting in Vivace edition
16-srp-09 14:51:21,484 |INFO |LightstreamerLogger.init |main |Started HTML Adaptor for JMX on port 6666
16-srp-09 14:51:21,531 |INFO |LightstreamerLogger.init |main |Started JMXMP Connector for JMX on port 9999
16-srp-09 14:51:21,625 |INFO |LightstreamerLogger.init |main |data_provider element without name attribute; using DEFAULT as the default name
16-srp-09 14:51:21,625 |INFO |LightstreamerLogger.init |Init for SIMPLEST |Loading Metadata Adapter SIMPLEST
16-srp-09 14:51:21,625 |INFO |LightstreamerLogger.init |Init for SIMPLEST.DEFAULT |Loading Data Adapter SIMPLEST.DEFAULT
16-srp-09 14:51:21,625 |INFO |LightstreamerLogger.init |Init for SIMPLEST.DEFAULT |Finished loading Data Adapter SIMPLEST.DEFAULT
16-srp-09 14:51:21,625 |INFO |LightstreamerLogger.init |Init for SIMPLEST |Finished loading Metadata Adapter SIMPLEST
16-srp-09 14:51:21,687 |INFO |LightstreamerLogger.init |main |Pump pool size set by default at 2
16-srp-09 14:51:21,734 |INFO |LightstreamerLogger.init |main |Events pool size set by default at 2
16-srp-09 14:51:21,750 |INFO |LightstreamerLogger.init |main |Lightstreamer Server 3.5 build 1428.4 starting...
16-srp-09 14:51:21,796 |INFO |LightstreamerLogger.init |main |Server "Lightstreamer HTTP Server" listening to *:8080 ...
16-srp-09 14:51:35,265 |INFO |LightstreamerLogger.requests |SERVER POOLED THREAD 8 |Serving request: /lightstreamer/create_session.js?LS_phase=1702&LS_polling=true&LS _polling_millis=0&LS_idle_millis=30000&LS_client_v ersion=4.3&LS_adapter=SIMPLEST& from 127.0.0.1:1728
16-srp-09 14:51:35,421 |TRACE|LightstreamerLogger.pump |SERVER POOLED THREAD 8 |Pump for session S259eca68b19bc589T5135421 added
16-srp-09 14:51:35,453 |INFO |LightstreamerLogger.requests |SERVER POOLED THREAD 8 |Starting new session: S259eca68b19bc589T5135421 from 127.0.0.1:1728
16-srp-09 14:51:35,484 |INFO |LightstreamerLogger.requests |SERVER POOLED THREAD 2 |Serving request: /lightstreamer/STREAMING_IN_PROGRESS?LS_session=S259eca68b19bc589 T5135421&LS_phase=1703& from 127.0.0.1:1733
16-srp-09 14:51:35,500 |INFO |LightstreamerLogger.requests |SERVER POOLED THREAD 2 |Attaching session: S259eca68b19bc589T5135421 from 127.0.0.1:1733
16-srp-09 14:51:37,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 2 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:39,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 1 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:41,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 2 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:43,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 1 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:45,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 2 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:47,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 1 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:49,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 2 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:51,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 1 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:53,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 2 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:51:55,515 |TRACE|LightstreamerLogger.pump |PUMP POOLED THREAD 1 |Sending probe in session S259eca68b19bc589T5135421
16-srp-09 14:53:02,515 |TRACE|LightstreamerLogger.pump |FOR PUMPS PARKING DESTROYER|Pump for session S259eca68b19bc589T5135421 removed
But I still get only loading. Looks like client is not interpreting correctly.

Here is NEW client:
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"></meta>
<script language="JavaScript" src="LS/lscommons.js"></script>
<script language="JavaScript" src="LS/lspushpage.js"></script>
</head>

<body>
<h1>Simplest</h1>

<div id="F|table1|stream|Next|div" class="">loading...</div>


<script>




var page = new PushPage();
page.onEngineCreation = function(engine) {
engine.connection.setAdapterName("SIMPLEST");
engine.changeStatus("STREAMING");
}
page.bind();
page.createEngine("SimplestApp", "LS", "SHARE_SESSION");

var pushtable = new OverwriteTable(stream, null, "DISTINCT");
page.addTable(pushtable, "table1");



</script>
</body>

</html>
And now I get error that there are no elements in table table1