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via Stack Overflow by Steve Lukis
, 8 months ago
via GitHub by danilovesky
, 1 year ago
This exception has no message.
via Spring JIRA by U. Kkm, 1 year ago
via Spring JIRA by U. Kkm, 1 year ago
java.lang.NullPointerException: 	at java.util.Collections$UnmodifiableCollection.(	at java.util.Collections$UnmodifiableSet.(	at java.util.Collections.unmodifiableSet(	at org.jivesoftware.smack.ConnectionConfiguration.getEnabledSaslMechanisms(	at org.jivesoftware.smack.SASLAuthentication.selectMechanism(	at org.jivesoftware.smack.SASLAuthentication.authenticate(	at org.jivesoftware.smack.tcp.XMPPTCPConnection.loginInternal(	at org.jivesoftware.smack.AbstractXMPPConnection.login(	at org.jivesoftware.smack.AbstractXMPPConnection.login(	at undefined.Main.main(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(	at com.intellij.rt.execution.application.AppMain.main(