The jmx test program hangs indefinitely there.

Reproduction:

JDK 5.0 used: (including 6614558's fix)
java -version
java version "1.5.0_17-rev"  Java(TM) Platform, Standard Edition for Business (build 1.5.0_17-rev-b10)Java HotSpot(TM) Client VM (build 1.5.0_17-rev-b10, mixed mode)

JDK 6.0 used: (including 6614558's fix)
java -version
java version "1.6.0_12"
Java(TM) SE Runtime Environment (build 1.6.0_12-b04)   Java HotSpot(TM) Client VM (build 11.2-b01, mixed mode) 

JMX Server(JDK 6.0) - JMX Client(JDK 5.0)
1) Compile the files found in JMX-Server using jdk 6.0
2) start the naming service. orbd -ORBInitialPort 2001
3) Run the server. java -classpath . Server
4) Compile the files found in JMX-Client using jdk 5.0
5) Run the client java -classpath . Client
6) Example hangs indefinitely on getMBeanInfo