DevTest java.util.prefs - Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock

Document ID : KB000106107
Last Modified Date : 05/09/2018
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Issue:
Seeing this entry repeatedly in the enterprisedashboard.log file:
 java.util.prefs - Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. 
Cause:
This issue can happen due to not enough hard disk space in the DevTest server or it can be a permissions issue.
Resolution:
Check what is the hard disk space available in the DevTest Server.
The partition where DevTest is installed and the /tmp partition should not be close to 100% in use.
In Linux systems you can verify the hard disk space using the command
#df -h

If permissions issues, please open the permissions on the DEVTEST_HOME folder.