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Exception in thread "main" java.lang.IncompatibleClassChangeError: Implementing class

Question asked by Viktor on Nov 16, 2016

Hello,

 

XMPPTCPConnectionConfiguration.Builder configBuilder = XMPPTCPConnectionConfiguration.builder();

configBuilder.setUsernameAndPassword("user", "user");

configBuilder.setHost("localhost");

configBuilder.setPort(5222);

 

AbstractXMPPConnection connection = new XMPPTCPConnection(configBuilder.build());

connection.connect();

connection.login();

 

 

 

I have an exception

Exception in thread "main" java.lang.IncompatibleClassChangeError: Implementing class

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