NullPointerException when attempting to find username.

[danieljimenez]

java.lang.NullPointerException
	at password.pwm.ldap.search.UserSearchEngine.performSingleUserSearch(UserSearchEngine.java:191)
	at password.pwm.svc.token.LdapTokenMachine.retrieveToken(LdapTokenMachine.java:88)
	at password.pwm.svc.token.TokenService.makeUniqueTokenForMachine(TokenService.java:424)
	at password.pwm.svc.token.LdapTokenMachine.generateToken(LdapTokenMachine.java:64)
	at password.pwm.svc.token.TokenService.generateNewToken(TokenService.java:244)
	at password.pwm.http.servlet.forgottenpw.ForgottenPasswordUtil.initializeAndSendToken(ForgottenPasswordUtil.java:413)
	at password.pwm.http.servlet.forgottenpw.ForgottenPasswordServlet.forwardUserBasedOnRecoveryMethod(ForgottenPasswordServlet.java:1380)
	at password.pwm.http.servlet.forgottenpw.ForgottenPasswordServlet.nextStep(ForgottenPasswordServlet.java:812)
	at password.pwm.http.servlet.ControlledPwmServlet.processAction(ControlledPwmServlet.java:158)
	at password.pwm.http.servlet.AbstractPwmServlet.handleRequest(AbstractPwmServlet.java:111)
	at password.pwm.http.servlet.AbstractPwmServlet.doGet(AbstractPwmServlet.java:62)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
	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 password.pwm.http.filter.AbstractPwmFilter$PwmFilterChain.doFilter(AbstractPwmFilter.java:138)
	at password.pwm.http.filter.SessionFilter.processFilter(SessionFilter.java:108)
	at password.pwm.http.filter.AbstractPwmFilter.doFilter(AbstractPwmFilter.java:89)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at password.pwm.http.filter.AbstractPwmFilter$PwmFilterChain.doFilter(AbstractPwmFilter.java:138)
	at password.pwm.http.filter.ApplicationModeFilter.processFilter(ApplicationModeFilter.java:74)
	at password.pwm.http.filter.AbstractPwmFilter.doFilter(AbstractPwmFilter.java:89)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at password.pwm.http.filter.AbstractPwmFilter$PwmFilterChain.doFilter(AbstractPwmFilter.java:138)
	at password.pwm.http.filter.ObsoleteUrlFilter.processFilter(ObsoleteUrlFilter.java:50)
	at password.pwm.http.filter.AbstractPwmFilter.doFilter(AbstractPwmFilter.java:89)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at password.pwm.http.filter.RequestInitializationFilter.initializeServletRequest(RequestInitializationFilter.java:210)
	at password.pwm.http.filter.RequestInitializationFilter.doFilter(RequestInitializationFilter.java:129)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at password.pwm.http.filter.GZIPFilter.doFilter(GZIPFilter.java:73)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

Let me know if I can provide any additional information.