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Home » Eclipse Projects » Californium (Cf) CoAP Framework » Exception at CoAP Server addEndpoint
Exception at CoAP Server addEndpoint [message #1720698] Wed, 20 January 2016 10:45 Go to next message
Ashok Athukuri is currently offline Ashok AthukuriFriend
Messages: 14
Registered: November 2015
Junior Member
am trying one of example CoAP server program from Californium Github source file HelloWorldServer.java

I have used library californium-core-1.0.1.jar file

When I run below code to addEndpoints, I get an exception:

private void addEndpoints() {
for (InetAddress addr : EndpointManager.getEndpointManager().getNetworkInterfaces()) {
// only binds to IPv4 addresses and localhost
if (addr instanceof Inet4Address || addr.isLoopbackAddress()) {
System.out.println("addr: "+addr.toString());
InetSocketAddress bindToAddress = new InetSocketAddress(addr, COAP_PORT);
System.out.println("bindToAddress: "+bindToAddress.toString());
addEndpoint(new CoapEndpoint(bindToAddress));
}
}
}
Here is the Exception:

Jan 20, 2016 3:24:58 PM org.eclipse.californium.core.network.config.NetworkConfig createStandardWithFile INFO: Storing standard properties in file Californium.properties

addr: /127.0.0.1 bindToAddress: /127.0.0.1:5683


Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/californium/elements/RawDataChannel
at HelloWorldServer.addEndpoints(HelloWorldServer.java:53)
at HelloWorldServer.main(HelloWorldServer.java:34)
Caused by: java.lang.ClassNotFoundException: org.eclipse.californium.elements.RawDataChannel
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 2 more
**


I tried to clean and rebuild the project still same issue. Created project again, don't work


I see no file in GitHub Source org/eclipse/californium/elements/RawDataChannel.java is that is the problem !?

Thanks in advance

[Updated on: Wed, 20 January 2016 11:23]

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Re: Exception at CoAP Server addEndpoint [message #1720991 is a reply to message #1720698] Fri, 22 January 2016 10:53 Go to previous message
Ashok Athukuri is currently offline Ashok AthukuriFriend
Messages: 14
Registered: November 2015
Junior Member
I tried with old CoAP framework library ch.ethz.inf.vs ยป californium, but having same issue.
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