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I am using JRE 1.7 and I discovered the user.home System property is very unusual. How does the JVM set this value?
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System properties are set on the Java command line using the -Dpropertyname=value syntax. They can also be added at runtime using System. setProperty(String key, String value) or via the various System. getProperties().
System properties contain information to configure the JVM and its environment. Some system properties are particularly relevant for JVMs in a CICS® environment. Specify JVM system properties in the JVM profile.
In Java, you can use System. getProperties() to get all the system properties.
This Java bug explains how: http://bugs.sun.com/view_bug.do?bug_id=4787931
System property user.home is set by:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders\Desktop
Example: %userprofile%\Desktop => %userprofile% (unresolved environment variable)
This issue should be fixed in Java 8.
Related Ref: Java user.home is being set to %userprofile% and not being resolved
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In windows it gets it like stated in the accepted answer, and is dependent of the Desktop folder location.
There is workaround if you want to change your default Desktop folder location, and still want to have user.home in the same folder:
add this into the environment variables:
_JAVA_OPTIONS:-Duser.home=%HOMEDRIVE%%HOMEPATH%
or in command line:
set _JAVA_OPTIONS=-Duser.home=%HOMEDRIVE%%HOMEPATH%
I saw the solution in the comments of this page: http://www.timehat.com/javas-user-home-is-wrong-on-windows/
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