For those who have to deal with the applications WSO2, there is an omission in the documentation on the installation and use of Message Broker.
Following the instructions, would be enough to download the bin and run it in the framework, however this causes a "outofmemory" error.
There are two fundamental changes to make them work: 1)configure the memory parameters in the file wso2server.sh (/bin) increasing over 1 giga (i put it on 4);
2) modify the user parameters "ulimits" (soft & hard ) to a value >1024 (i try 16384).
Now, you be able to run the modules fine