17-Mar-2024 06:53:06.088 SEVERE [http-nio-20001-exec-967] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [OIDCServlet] in context with path [/imsoidc] threw exception
	java.lang.NullPointerException
		at java.base/java.lang.String.<init>(String.java:614)
		at org.sakaiproject.lti13.OIDCServlet.handleOIDCAuthorization(OIDCServlet.java:135)
		at org.sakaiproject.lti13.OIDCServlet.doGet(OIDCServlet.java:86)
		at javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
		at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
		at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209)
		at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
		at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
		at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
		at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
		at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
		at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
		at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481)
		at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
		at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
		at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:768)
		at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
		at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
		at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390)
		at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
		at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926)
		at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
		at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
		at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
		at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
		at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
		at java.base/java.lang.Thread.run(Thread.java:829)