Create a Maven project, introduce:
CXF - services - ws - discovery - API - 3.1.8. Jar,
CXF - services - ws - discovery - service - 3.1.8. Jar,
Slf4j jdk14-1.7.25 jar,
The JCL - over - slf4j - 1.7.25 jar,
Then use WSDiscoveryClient couldn't retrieve onvif device, is how to return a responsibility? Caught tools even can't catch the udp port 3702 packets,

Java code:

 public static void main (String [] args) 
{
WSDiscoveryClient client=new WSDiscoveryClient (); 
Client. SetVersion10 (); 
Client. SetDefaultProbeTimeout (3000);//the timeout 5 s 
ProbeType ProbeType=new ProbeType (); 
ProbeType. The getTypes (). The add (new QName (" TDS: Device ")); 
ProbeType. The getTypes (). The add (new QName (" dn: Network Video Transmitter "));//
System. The out. Println (" is the Probe: "+ client. GetAddress ()); 
ProbeMatchesType ProbeMatchesType=client. The probe (probeType); 
List ProbeMatchTypes=probeMatchesType. GetProbeMatch (); 
For (ProbeMatchType type: probeMatchTypes) {
System. The out. Println (the getXAddrs ()); 
} 
} 

Project pom. XML

 & lt; Project XMLNS="http://maven.apache.org/POM/4.0.0" XMLNS: xsi="http://www.w3.org/2001/XMLSchema-instance" 
Xsi: schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" & gt; 
 4.0.0 & lt;/modelVersion> 

 Com. Wd. Discovery 
 Maven - wd - discovery 
 0.0.1 - SNAPSHOT 
 Jar 

 Maven - wd - discovery 
 http://maven.apache.org 

 
 Utf-8 & lt;/project. Build. SourceEncoding> 
 

 

 
 Org. Slf4j & lt;/groupId> 
 Slf4j - jdk14 & lt;/artifactId> 
 1.7.25 & lt;/version> 
 
 
 Org. Slf4j & lt;/groupId> 
 The JCL - over - slf4j & lt;/artifactId> 
 1.7.25 & lt;/version> 
 

 
 Org, apache CXF. Services. Ws - discovery 
 CXF - services - ws - discovery - api 
 3.1.18 & lt;/version> 
 
 
 Org, apache CXF. Services. Ws - discovery 
 CXF - services - ws - discovery - service 
 3.1.18 & lt;/version> 
 


 
 Junit 
 Junit 
 3.8.1 & lt;/version> 
 Test 
 
 

 

The console print information:

 the Probe: soap. Udp://239.255.255.250:3702 
September 30, 2019 2:08:14 org. In the afternoon. The apache CXF. WSDL. Service. Factory. ReflectionServiceFactoryBean buildServiceFromClass 
Information: Creating Service {http://schemas.xmlsoap.org/ws/2005/04/discovery} DiscoveryProxy from class. Org. Apache CXF. Jaxws. Support. DummyImpl 
September 30, 2019 2:08:18 org. In the afternoon. The apache CXF. Phase. PhaseInterceptorChain doDefaultLogging 
Warning: Interceptor for DiscoveryProxy# {http://schemas.xmlsoap.org/ws/2005/04/discovery} {http://cxf.apache.org/jaxws/dispatch} Invoke has thrown exception, unwinding now 
Org, apache CXF. Interceptor. Faults: Could not receive the Message. 
At org, apache CXF. Interceptor. MessageSenderInterceptor $MessageSenderEndingInterceptor. HandleMessage (MessageSenderInterceptor. Java: 65) 
At org, apache CXF. Phase. PhaseInterceptorChain. DoIntercept (PhaseInterceptorChain. Java: 309) 
At org, apache CXF. The endpoint. ClientImpl. DoInvoke (ClientImpl. Java: 523) 
At org, apache CXF. The endpoint. ClientImpl. Invoke (ClientImpl. Java: 425) 
At org, apache CXF. The endpoint. ClientImpl. Invoke (ClientImpl. Java: 403) 
At org, apache CXF. The endpoint. ClientImpl. InvokeWrapped (ClientImpl. Java: 396) 
At org, apache CXF. Jaxws. DispatchImpl. InvokeAsync (DispatchImpl. Java: 446) 
At org, apache CXF. Ws. Discovery. WSDiscoveryClient. The probe (386) WSDiscoveryClient. Java: 
At org, apache CXF. Ws. Discovery. WSDiscoveryClient. The probe (353) WSDiscoveryClient. Java: 
At com. Wd. Discovery. Maven_wd_discovery. App. The main (28) App. Java: 
Under Caused by: java.net.SocketTimeoutException: Receive timed out 
The at java.net.TwoStacksPlainDatagramSocketImpl.receive0 (Native Method) 
The at java.net.TwoStacksPlainDatagramSocketImpl.receive (Unknown Source) 
The at java.net.DatagramSocket.receive (Unknown Source) 
At org, apache CXF. Transport. Udp. UDPConduit $UDPBroadcastOutputStream. Close (UDPConduit. Java: 325) 
At org, apache CXF. Transport. AbstractConduit. Close (AbstractConduit. Java: 56) 
At org, apache CXF. Transport. Udp. UDPConduit. Close (UDPConduit. Java: 144) 
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