Test case is provided hereafter.
Basically, the agent creates a JMXMPConnectorServer and the client loops on connect-close.
After one night, the agent's size increase from 49M to 111M and ends up with a java.lang.OutOfMemoryError.

The agent's size before running the client is shown here: ,
- prstat:
   PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP
  3848 root 49M 18M run 59 0 0:00:01 0.8% java/9
- Output from java -verbose:gc
  [GC 2045K->210K(3520K), 0.0223286 secs]

The agent's size after one night is:
- prstat:
  PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP
  3848 root 111M 80M run 59 0 1:20:20 0.0% java/9
- Output from java -verbose:gc
  [Unloading class sun.reflect.GeneratedSerializationConstructorAccessor48]
  65166K->65166K(65344K), 1.0791030 secs]
  java.lang.OutOfMemoryError

/* ------------------------------------ Agent ------------------------------------ */
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.remote.JMXServiceURL;
import javax.management.remote.jmxmp.JMXMPConnectorServer;
public class myAgent {
    public static void main(String[] args) {
MBeanServer mbs = MBeanServerFactory.createMBeanServer();
if (mbs == null) throw new
IllegalArgumentException("MBeanServer can't be null");
try {
JMXServiceURL jmxu =
new JMXServiceURL("jmxmp", "localhost", 8082);
JMXMPConnectorServer scs =
new JMXMPConnectorServer(jmxu, null, mbs);
scs.start();
} catch (Exception e) {
System.out.println("Exception: " + e);
}
    }
}
/* ------------------------------------ Client ------------------------------------ */
import java.io.IOException;
import java.net.MalformedURLException;
import javax.management.remote.JMXServiceURL;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
public class Client {
    public static void main(String[] args) {
      while (true) {
        JMXServiceURL jmxu = null;
        try {
          jmxu = new JMXServiceURL("service:jmx:jmxmp://mynode:8082");
        } catch (MalformedURLException e) {
            System.exit (-1);
        }
        JMXConnector jmxc = null;
        try {
            jmxc = JMXConnectorFactory.connect(jmxu);
        } catch (IOException e) {
            System.exit (-1);
        }
        try {
            jmxc.close ();
        } catch (IOException e) {
            System.exit (-1);
        }
      }
    }
}

###@###.### 2004-01-20