Avoid having too many input and output devices on your workbench by using a virtual network computing server, and an accompanying viewer, and a Rasbperry Pi.
The reason behind the error is that some other application is already running with the same port. You cannot run the current application with the same port.
The ForkJoin pool was put into place to support parallel streams. Get a look at how the pool works and how the work-stealing algorithm help divide up tasks.
Take a look at how to marshal and unmarshal your Java objects and XML data with JAXB 2.0, a useful tool for generating XML schemas from Java code and vice-versa.
If you use a vSphere infrastructure, then vCheck can help. The vCheck framework is designed to run checks against your infrastructure to determine operational issues.
You can programmatically reconfigure a log manager via Spring and load your own log4j2.xml file from a defined path, forcing your Mule app to pick the file from any location.