I have an application with client server architecture. The client use Java Web Start with Java Swing / AWT and the sert uses HTTP server / Servlet with Tomcat. The communicat
You haven't given us much information to go on, especially about the client side. But my suspicion is that the client side is:
Mysterious.
Based on your updated question, it looks like none of the above. Here are a couple of other possibilities:
Another possible explanation is that you have a memory leak, and that the slowdown is caused by the GC taking more and more time as you run out of memory. This will show up in the GC logs if you have them enabled.