Errors on Account Page When Changing Password?

[jsharkey13]

I'm not totally sure what causes this, but I've seen it a few times in the logs and we should probably avoid an unhandled NullPointerException if possible . . .

[WARNING] /isaac-api/api/users
org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException: The validated object is null
        ...
Caused by: java.lang.NullPointerException: The validated object is null
        at org.apache.commons.lang3.Validate.notNull(Validate.java:222)
        at org.apache.commons.lang3.Validate.notNull(Validate.java:203)
        at uk.ac.cam.cl.dtg.segue.api.managers.UserAuthenticationManager.getSegueUserFromCredentials(UserAuthenticationManager.java:276)
        at uk.ac.cam.cl.dtg.segue.api.managers.UserAccountManager.ensureCorrectPassword(UserAccountManager.java:381)
        at uk.ac.cam.cl.dtg.segue.api.UsersFacade.updateUserObject(UsersFacade.java:654)
        at uk.ac.cam.cl.dtg.segue.api.UsersFacade.createOrUpdateUserSettings(UsersFacade.java:255)