java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at net.nearlythere.business.data.User.jdoPreStore(User.java:211)
at com.solarmetric.kodo.runtime.StateManagerImpl.preStore(Unknown Source)
at com.solarmetric.kodo.runtime.PDirtyState.beforeFlush(Unknown Source)
at com.solarmetric.kodo.runtime.StateManagerImpl.beforeFlush(Unknown Source)
at com.solarmetric.kodo.runtime.PersistenceManagerImpl.flush(Unknown Source)
at com.solarmetric.kodo.runtime.PersistenceManagerImpl.commit(Unknown Source)
at net.nearlythere.business.BaseBusiness.commit(BaseBusiness.java:235)
at net.nearlythere.frontend.controllers.site.Order.preDisplay(Order.java:204)
at net.nearlythere.frontend.controllers.ControllerDisplay.perform(ControllerDisplay.java:29)
at net.nearlythere.frontend.controllers.Controller.go(Controller.java:1077)
at org.infohazard.maverick.ctl.Throwaway2.go(Throwaway2.java:48)
at org.infohazard.maverick.flow.ThrowawayControllerAdapter.go(ThrowawayControllerAdapter.java:58)
at org.infohazard.maverick.flow.ControllerWithParams.go(ControllerWithParams.java:36)
at org.infohazard.maverick.flow.CommandBase.go(CommandBase.java:41)
at org.infohazard.maverick.Dispatcher.service(Dispatcher.java:179)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
at com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)
at com.caucho.server.http.Invocation.service(Invocation.java:311)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:218)
at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:160)
at com.caucho.server.TcpConnection.run(TcpConnection.java:137)
at java.lang.Thread.run(Thread.java:536)

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