java.lang.NullPointerException: Attempt to invoke interface method 'void io.resourcepool.ssdp.model.DiscoveryListener.onServiceDiscovered(io.resourcepool.ssdp.model.SsdpService)' on a null object reference
at io.resourcepool.ssdp.client.impl.SsdpClientImpl.handleDiscoveryResponse(SsdpClientImpl.java:206)
at io.resourcepool.ssdp.client.impl.SsdpClientImpl.handleIncomingPacket(SsdpClientImpl.java:129)
at io.resourcepool.ssdp.client.impl.SsdpClientImpl.access$300(SsdpClientImpl.java:33)
at io.resourcepool.ssdp.client.impl.SsdpClientImpl$2.run(SsdpClientImpl.java:104)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:761)