Error while trying to connect smack to openfire

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I am trying to perform a simple example to connect to an openfire server using the smack library 4.0.6 and have the following code:

ConnectionConfiguration configuration= new ConnectionConfiguration(ADDRESS, 5222);
configuration.setSecurityMode(ConnectionConfiguration.SecurityMode.enabled);
SSLContext sc = null;
try {
    sc = SSLContext.getInstance("TLS");
    sc.init(null, new TrustManager[] { new AcceptAllTrustManager() }, new SecureRandom());
} catch (Exception e1) {
    e1.printStackTrace();
}
configuration.setCustomSSLContext(sc);
XMPPConnection connection = new XMPPTCPConnection(configuration);
try {
   connection.connect();
} catch (Exception e) {
   e.printStackTrace();
   return;
}

The part of the TSL protocol it manages to perform completely, however when I try to connect it returns the following error:

Exception in thread "main" java.lang.NoClassDefFoundError: org/jivesoftware/smackx/disco/ServiceDiscoveryManager
at org.jivesoftware.smackx.hoxt.HOXTManager$1.connectionCreated(HOXTManager.java:43)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.initConnection(XMPPTCPConnection.java:490)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectUsingConfiguration(XMPPTCPConnection.java:440)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectInternal(XMPPTCPConnection.java:811)
at org.jivesoftware.smack.XMPPConnection.connect(XMPPConnection.java:396)
at Main.main(Main.java:56)

Which leads me to believe that what’s missing is a library that has the class definition ServiceDiscoveryManager. Meanwhile I’ve imported all the libraries that it is supplied by Ignite and it still doesn’t work.

What dependency is lacking for him?

java openfire

  • Felipe, how are you building your application? Is it a web application? Does it use a tool that manages dependencies or is downloading jars and putting in the folder libs?

  • I’m putting it in the libs folder, but I’m not using any tool that manages dependencies. When I try to build the application it gives this error. And yes, it is a web application.

  • My guess is that jar is not going to the classpath of the web application. Does this code run in a web module or ejb? If it’s on the web, you’re deploying a .war with the jar in the folder WEB-INF/libs, can see this both in the project and in the file . War)?

  • Ah, I misexpressed myself, it’s actually just a desktop application that uses the web. It’s a very simple example, actually.

  • Running straight through the IDE? You’ve set the project classpath to include jars?

  • That’s right from the IDE. I did. As I said, it includes everyone he requested. ://

  • 1

    Felipe, sorry to keep you waiting. Did you import version 4.0.6 of the smack, did you see if there was a jar of "Xtensions" in the zip? I looked at the repository and really this class is in the project "smack-Extensions". My suggestion would be to clone the repository, but just take the Extensions project or take the source and create a "brother" project and make the dependency between them and run to see.

  • @Wakim, was exactly that, I had not realized that had not mattered to extensions, can add as a response.

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The class org.jivesoftware.smackx.disco.ServiceDiscoveryManager belongs to the module of Extensions smack.

Just include the jar of smack-Extensions by the jar of smack in your project.

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