Matlab starting with java memory error. Localised to particular ID

Tried inserting another ~/.matlab/R2016b/matlab.prf from another ID but it didn't seem to change anything.

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Warning: Initializing Java preferences failed in matlabrc.

This indicates a potentially serious problem in your MATLAB setup, which should be resolved as soon as possible. Error detected was:

MATLAB:Java:GenericException

Java exception occurred:

java.lang.NullPointerException

at org.osgi.util.tracker.ServiceTracker.<init>(ServiceTracker.java:176)

at com.mathworks.util.osgi.OSGiManager.waitForFinalBundle(OSGiManager.java:317)

at com.mathworks.util.osgi.OSGiManager.getImplementors(OSGiManager.java:159)

at com.mathworks.util.osgi.ClasspathOSGiManager.getImplementors(ClasspathOSGiManager.java:49)

at com.mathworks.mde.editor.debug.DebuggerInstaller.init(DebuggerInstaller.java:30)

> In matlabrc (line 121)

ERROR: Unable to start system bundle. (java.lang.OutOfMemoryError: unable to create new native thread)

java.lang.OutOfMemoryError: unable to create new native thread

at java.lang.Thread.start0(Native Method)

at java.lang.Thread.start(Unknown Source)

at org.apache.felix.framework.PackageAdminImpl.<init>(PackageAdminImpl.java:54)

at org.apache.felix.framework.PackageAdminActivator.start(PackageAdminActivator.java:36)

at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)

at org.apache.felix.framework.Felix$SystemBundleActivator.start(Felix.java:3922)

at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)

at org.apache.felix.framework.Felix.init(Felix.java:638)

at org.apache.felix.framework.Felix.start(Felix.java:672)

at com.mathworks.util.osgi.OSGiManager$1.run(OSGiManager.java:211)

at java.lang.Thread.run(Unknown Source)

java.lang.RuntimeException: Unable to start system bundle.

at org.apache.felix.framework.Felix.init(Felix.java:645)

at org.apache.felix.framework.Felix.start(Felix.java:672)

at com.mathworks.util.osgi.OSGiManager$1.run(OSGiManager.java:211)

at java.lang.Thread.run(Unknown Source)

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