2020-11-05 22:37:40,303 INFO org.dspace.authenticate.OAuthAuthenticationMethod @ anonymous:session_id=D0B8B7644764A5CB15BD02830A29DFBF:ip_addr=10.10.1.4:autoregister:orcid=0000-0003-0199-8848
2020-11-05 22:37:42,373 WARN org.dspace.app.webui.servlet.DSpaceServlet @ anonymous:session_id=D0B8B7644764A5CB15BD02830A29DFBF:ip_addr=10.10.1.4:general_jspui_error:java.lang.NullPointerException
java.lang.NullPointerException
at org.dspace.authenticate.OAuthAuthenticationMethod.authenticate(OAuthAuthenticationMethod.java:177)
at org.dspace.authenticate.AuthenticationServiceImpl.authenticateInternal(AuthenticationServiceImpl.java:110)
at org.dspace.authenticate.AuthenticationServiceImpl.authenticate(AuthenticationServiceImpl.java:80)
at org.dspace.app.webui.servlet.OAuthAuthenticationServlet.doDSPost(OAuthAuthenticationServlet.java:179)
at org.dspace.app.webui.servlet.OAuthAuthenticationServlet.doDSGet(OAuthAuthenticationServlet.java:72)
at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:126)
at org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:149)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
at org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor.java:873)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$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)
Any guidance would be appreciated.