radius 11-01/11:49:14 ERROR [rdsLstnr-p-9-t-31] RadiusListenerWorker -
java.lang.NullPointerException
   at ru.bitel.bgbilling.modules.inet.access.InetConnectionManager.closeDuplicateSession(InetConnectionManager.java:1294)
   at ru.bitel.bgbilling.modules.inet.access.InetConnectionManager.checkDuplicateSession(InetConnectionManager.java:1133)
   at ru.bitel.bgbilling.modules.inet.access.Access.checkSessionCount(Access.java:752)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusProcessor.authorization(InetRadiusProcessor.java:906)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusProcessor.authenticationImpl(InetRadiusProcessor.java:676)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusProcessor.authentication(InetRadiusProcessor.java:488)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusProcessor.authentication(InetRadiusProcessor.java:88)
   at ru.bitel.bgbilling.kernel.network.radius.RadiusSession.authentication(RadiusSession.java:115)
   at ru.bitel.bgbilling.kernel.network.radius.RadiusSession.accessRequest(RadiusSession.java:92)
   at ru.bitel.bgbilling.kernel.network.radius.RadiusProcessor.accessRequestImpl(RadiusProcessor.java:480)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusProcessor.accessRequestImpl(InetRadiusProcessor.java:404)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusProcessor.accessRequestImpl(InetRadiusProcessor.java:88)
   at ru.bitel.bgbilling.kernel.network.radius.RadiusProcessor.accessRequest(RadiusProcessor.java:465)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusListenerWorker.accessRequest(InetRadiusListenerWorker.java:65)
   at ru.bitel.bgbilling.modules.inet.radius.InetRadiusListenerWorker.accessRequest(InetRadiusListenerWorker.java:36)
   at ru.bitel.bgbilling.kernel.network.radius.RadiusListenerWorker.processPacket(RadiusListenerWorker.java:304)
   at ru.bitel.bgbilling.kernel.network.radius.RadiusListenerWorker.runImpl(RadiusListenerWorker.java:158)
   at ru.bitel.common.worker.WorkerTask.run(WorkerTask.java:87)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
   at java.lang.Thread.run(Thread.java:745)
   at ru.bitel.common.worker.WorkerThread.run(WorkerThread.java:46)

serv.radius.connection.checkDuplicate=9

serv.radius.connection.checkDuplicate=8