import subjects broke with other patch

Note, this only occurs when importing a subject who is already in the group, and not replacing the existing members

2019-05-09 12:05:18,296: [ajp-nio-8552-exec-1] ERROR GrouperUiRestServlet.doGet(311) - - Problem calling reflection from URL: edu.internet2.middleware.grouper.grouperUi.serviceLogic.UiV2GroupImport.groupImportSubmit

java.lang.RuntimeException: error,
Problem calling method groupImportSubmit on edu.internet2.middleware.grouper.grouperUi.serviceLogic.UiV2GroupImport
at edu.internet2.middleware.grouper.grouperUi.serviceLogic.UiV2GroupImport.groupImportSubmit(UiV2GroupImport.java:823)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at edu.internet2.middleware.grouper.util.GrouperUtil.invokeMethod(GrouperUtil.java:4189)
at edu.internet2.middleware.grouper.util.GrouperUtil.callMethod(GrouperUtil.java:4140)
at edu.internet2.middleware.grouper.j2ee.GrouperUiRestServlet.doGet(GrouperUiRestServlet.java:278)
at edu.internet2.middleware.grouper.j2ee.GrouperUiRestServlet.doPost(GrouperUiRestServlet.java:149)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.owasp.csrfguard.CsrfGuardFilter.doFilter(CsrfGuardFilter.java:88)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at edu.internet2.middleware.grouper.ui.GrouperUiFilter.doFilter(GrouperUiFilter.java:1127)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at edu.upenn.isc.proxyWrapper.ProxyWrapperFilter.doFilter(ProxyWrapperFilter.java:50)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:479)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: Cant execute reflection field: subj, on: edu.internet2.middleware.grouper.Member
at edu.internet2.middleware.grouper.util.GrouperUtil.fieldValue(GrouperUtil.java:3902)
at edu.internet2.middleware.grouper.GrouperAPI.fieldValue(GrouperAPI.java:89)
at edu.internet2.middleware.grouper.util.GrouperUtil.fieldValue(GrouperUtil.java:3887)
at edu.internet2.middleware.grouper.util.GrouperUtil.fieldValue(GrouperUtil.java:3965)
at edu.internet2.middleware.grouper.ui.util.GrouperUiUtils.removeOverlappingSubjects(GrouperUiUtils.java:774)
at edu.internet2.middleware.grouper.grouperUi.serviceLogic.UiV2GroupImport.groupImportSubmit(UiV2GroupImport.java:676)
... 41 more
Caused by: java.lang.RuntimeException: Cant find field: subj, in: class java.lang.Object, callOnSupers: true
at edu.internet2.middleware.grouper.util.GrouperUtil.field(GrouperUtil.java:3137)
at edu.internet2.middleware.grouper.util.GrouperUtil.field(GrouperUtil.java:3131)
at edu.internet2.middleware.grouper.util.GrouperUtil.field(GrouperUtil.java:3131)
at edu.internet2.middleware.grouper.util.GrouperUtil.fieldValue(GrouperUtil.java:3898)
... 46 more