Hi Dario,

I think the first error is happening because of "unusually long group/schema names, user names or user messages". I increased the <request_limit> tag to 500000. It seems to be working fine currently. Thanks, will update you if I find any thing again.

I also increased the <session_timeout_millis> to 50000 and <max_polling_millis> to 150000. It was 5000 and 15000 initially.

I had this exception in the log. I hope this is not anything serious or non-recoverable issue.

Code:
Failure in HTTP connection on Lightstreamer HTTP Server
com.lightstreamer.b.l
	at com.lightstreamer.d.b.a.b(a.java)
	at com.lightstreamer.d.b.a.a(a.java)
	at com.lightstreamer.d.b.bb.d(bb.java)
	at com.lightstreamer.b.h.h(h.java)
	at com.lightstreamer.a.d.g(d.java)
	at com.lightstreamer.b.bb.a(bb.java)
	at com.lightstreamer.b.bb.a(bb.java)
	at com.lightstreamer.b.e.b(e.java)
	at com.lightstreamer.f.a.x.b(x.java)
	at com.lightstreamer.f.a.i.a(i.java)
	at com.lightstreamer.f.a.l.a(l.java)
	at com.lightstreamer.f.a.l.a(l.java)
	at com.lightstreamer.f.a.l.a(l.java)
	at com.lightstreamer.b.nb.a(nb.java)
	at com.lightstreamer.b.f.h(f.java)
	at com.lightstreamer.a.d.g(d.java)
	at com.lightstreamer.b.bb.a(bb.java)
	at com.lightstreamer.b.lb.a(lb.java)
	at com.lightstreamer.b.lb.b(lb.java)
	at com.lightstreamer.b.fb.a(fb.java)
	at com.lightstreamer.j.y.a(y.java)
	at com.lightstreamer.j.f.a(f.java)
	at com.lightstreamer.j.c.b(c.java)
	at com.lightstreamer.j.c.a(c.java)
	at com.lightstreamer.f.p.b(p.java)
	at com.lightstreamer.f.p.a(p.java)
	at com.lightstreamer.f.cb.a(cb.java)
	at com.lightstreamer.a.nc.run(nc.java)
	at com.lightstreamer.a.ad.a(ad.java)
	at com.lightstreamer.a.bd.run(bd.java)
Thanks,
Shreyas