We are getting server crashes every 1-2 days. Using the jstack tool I was able to get the following deadlock report from the jvm:

Deadlock Detection:

Found one Java-level deadlock:
=============================

"Timer-1":
waiting to lock Monitor@0x00002aac54b5fbf8 (Object@0x00002aab14f448a0, a ...

The smartfox server uses the Rhino engine by mozilla.org for its ActionScript interpreter. (actually a "Javascript" interpreter). The mozilla site has additional documentation on invoking Java from Javascript, including this:

http://www.mozilla.org/rhino/ScriptingJava.html

For converting ...

We did figure out a way to monitor number of connected users:

netstat -a -n | grep 9339 | grep ESTABLISHED

seems to correlate with AdminTool's count. This is hooked into our zenoss graphs to plot usage over time.

I notice that whenever we set the max heap memory (using -Xmx ) the AdminTool shows the memory filling up as soon as the server starts. This seems to happen whether or not the minimum heap memory is specified. I get the same behavior whether using wrapper or invoking java directly in a start script ...

Here are two different instances of ConcurrentModificationException we see in the logs. These started showing up after we turned on buddy lists. The first stack trace below is associated with an error message about unable to close client channel, and in our stack trace we are calling disconnectUser ...

The documentation states that the outgoing message queue is per user, but doesn't state the actual config.xml setting name. Is that MaxWriterQueue? There's just one max queue display in the admin tool so I would have guessed that it's one setting per server. Our user base is over 750 and growing ...

Hi, has anybody created a command-line monitoring tool to check smartfox health and status? I'm looking for something that would run under linux and use the smartfox client api to get some stats from the server like you see in the AdminTool. We would plug that into our server monitoring ...