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This exception has no message.
java.lang.NullPointerException: 	at org.openiot.lsm.manager.SensorManager.getAllRegisteredServices(SensorManager.java:1597)	at org.openiot.lsm.http.SecurityInitializer.init(SecurityInitializer.java:83)	at org.openiot.lsm.http.ContextListener.contextInitialized(ContextListener.java:34)	at org.apache.catalina.core.StandardContext.contextListenerStart(StandardContext.java:3392)	at org.apache.catalina.core.StandardContext.start(StandardContext.java:3850)	at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:90)	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)