RDP and Java not playing well together

I have a Windows 8.1 Pro machine set up for RDP that connects to a field device network. The field network is not accessible from the Internet, so the only method I have to connect to the field devices is RDP through the machine. The devices use
Java for their GUI. When I log onto one of the devices in the field via RDP, the amount of memory Java uses goes up and stays up. Every time I log onto a field device, the memory usage goes up and stays up to the point if I hit 25 or so field devices, I get
an Out of Memory error and Java shuts down the main application running on the machine. However, if I log onto the devices directly from the machine, not using RDP, the amount of memory Java uses doesn't go up. The machine has 6Gb of RAM, rebooting it is the
only way to clear out the memory, which gets it back down to a more normal 14%. 
Any ideas? 

Hi,
What is the result if we connect to a normal Windows system via RDP? We should first find out whether this is a RDP side issue or a JAVA issue.
And for high memory issue, we have a tool named RAMMap to view the detailed memory usage
RAMMap
http://technet.microsoft.com/en-us/sysinternals/ff700229.aspx
Introduction to the new Sysinternals tool: RAMMap
http://blogs.technet.com/b/askperf/archive/2010/08/13/introduction-to-the-new-sysinternals-tool-rammap.aspx
Regards
Yolanda Zhu
TechNet Community Support

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