Slave:
lightstreamer.js:495
lightstreamer.sharing | DEBUG | 11:35:04,260 | 2] Broadcasting setting to shared LightstreamerClient instances {serverAddress http://push.www.XXX.com:8080/ }
lightstreamer.sharing | DEBUG | 11:35:04,264 | 2] Broadcasting setting to shared LightstreamerClient instances {adapterSet ONLAJNY }
lightstreamer.sharing | INFO | 11:35:04,274 | 325] A sharing will now be searched {}
lightstreamer.sharing | INFO | 11:35:04,275 | 297] Start search for an engine {}
lightstreamer.sharing | DEBUG | 11:35:04,276 | 307] Searching for available sharing {}
lightstreamer.sharing | DEBUG | 11:35:04,276 | 312] check shared storage to find a valid engine {}
lightstreamer.sharing | DEBUG | 11:35:04,278 | 313] storage inspection complete {}
lightstreamer.sharing | INFO | 11:35:04,279 | 304] valid engine values found, will try to connect to it {}
lightstreamer.sharing | DEBUG | 11:35:04,279 | 315] sharing through shared worker {}
lightstreamer.sharing | INFO | 11:35:04,279 | 302] A sharing was found, this will attach to it {}
lightstreamer.sharing | INFO | 11:35:04,293 | 296] Stop search for an engine {}
lightstreamer.subscriptions | DEBUG | 11:35:04,488 | 13] Restoring all pending Subscriptions {}
lightstreamer.subscriptions | DEBUG | 11:35:04,682 | 346] Adapter Set assigned {[|Subscription|1|0||0||] COMMENTS }
lightstreamer.subscriptions | DEBUG | 11:35:04,682 | 350] Snapshot Required assigned {[|Subscription|1|0||0||] yes }
lightstreamer.subscriptions | INFO | 11:35:04,692 | 10] Subscribing subscription {[|Subscription|1|0||0||] }
lightstreamer.subscriptions | INFO | 11:35:04,693 | 336] Subscription entered the active state {[|Subscription|5|0|1|1|2|] }
lightstreamer.subscriptions | DEBUG | 11:35:04,693 | 12] sending Subscription to the engine {}
lightstreamer.subscriptions | DEBUG | 11:35:04,694 | 344] Subscription request generated {[|Subscription|5|0|1|1|2|] }
lightstreamer.subscriptions | DEBUG | 11:35:04,695 | 340] Subscription waiting to be sent to server {[|Subscription|2|0|1|2|2|] }
lightstreamer.subscriptions | DEBUG | 11:35:04,719 | 346] Adapter Set assigned {[|Subscription|1|0||0||] MATCHES }
lightstreamer.subscriptions | DEBUG | 11:35:04,720 | 350] Snapshot Required assigned {[|Subscription|1|0||0||] yes }
lightstreamer.subscriptions | INFO | 11:35:04,756 | 10] Subscribing subscription {[|Subscription|1|0||0||] }
lightstreamer.subscriptions | INFO | 11:35:04,756 | 336] Subscription entered the active state {[|Subscription|5|0|2|1|3|] }
lightstreamer.subscriptions | DEBUG | 11:35:04,756 | 12] sending Subscription to the engine {}
lightstreamer.subscriptions | DEBUG | 11:35:04,757 | 344] Subscription request generated {[|Subscription|5|0|2|1|3|] }
lightstreamer.subscriptions | DEBUG | 11:35:04,757 | 340] Subscription waiting to be sent to server {[|Subscription|2|0|2|2|3|] }
lightstreamer.subscriptions | DEBUG | 11:35:04,819 | 341] Subscription queued to be sent to server {[|Subscription|3|0|1|2|2|] }
lightstreamer.subscriptions | DEBUG | 11:35:04,820 | 341] Subscription queued to be sent to server {[|Subscription|3|0|2|2|3|] }
lightstreamer.subscriptions | INFO | 11:35:05,28 | 337] Subscription is now subscribed to {[|Subscription|4|0|2|2|3|] }
lightstreamer.js:496 weswit.test | ERROR | ibbid=BBID-01-0116789343678501311:35:17,191 | 386] Expecting a different value {4 3 }
lightstreamer.js:496 weswit.test | ERROR | ibbid=BBID-01-0116789343678501311:35:17,231 | 386] Expecting a different value {4 3 }

And here is stack trace of error:
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Iam sorry for big logs, we can search for particular messages if you ask to. But as I said, we disabled sharing and problems are gone, so it is not fatal issue now.