Connecting websocket - openfire

[gilbertobr]

I am currently having trouble connecting to my openfire 4.1.4 via websocket.

Error:

2017.06.16 12:04:47 org.jivesoftware.openfire.websocket.XmppWebSocket - Failed to process XMPP stanza
Java.lang.NullPointerException
At org.jivesoftware.openfire.net.SASLAuthentication.getSASLMechanismsElement (SASLAuthentication.java:204)
At org.jivesoftware.openfire.net.SASLAuthentication.getSASLMechanisms (SASLAuthentication.java:182)
At org.jivesoftware.openfire.websocket.XmppWebSocket.configureStream (XmppWebSocket.java:300)
At org.jivesoftware.openfire.websocket.XmppWebSocket.initiateSession (XmppWebSocket.java:279)
At org.jivesoftware.openfire.websocket.XmppWebSocket.onTextMethod (XmppWebSocket.java:113)
At sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
At sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
At sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
At java.lang.reflect.Method.invoke (Method.java:498)
At org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call (CallableMethod.java:70)
At org.eclipse.jetty.websocket.common.events.annotated.OptionalSessionCallableMethod.call (OptionalSessionCallableMethod.java:72)
At org.eclipse.jetty.websocket.common.events.JettyAnnotatedEventDriver.onTextMessage (JettyAnnotatedEventDriver.java:234)
At org.eclipse.jetty.websocket.common.message.SimpleTextMessage.messageComplete (SimpleTextMessage.java:69)
At org.eclipse.jetty.websocket.common.events.AbstractEventDriver.appendMessage (AbstractEventDriver.java:65)
At org.eclipse.jetty.websocket.common.events.JettyAnnotatedEventDriver.onTextFrame (JettyAnnotatedEventDriver.java:226)
At org.eclipse.jetty.websocket.common.events.AbstractEventDriver.incomingFrame (AbstractEventDriver.java:161)
At org.eclipse.jetty.websocket.common.WebSocketSession.incomingFrame (WebSocketSession.java:308)
At org.eclipse.jetty.websocket.common.extensions.AbstractExtension.nextIncomingFrame (AbstractExtension.java:163)
At org.eclipse.jetty.websocket.common.extensions.compress.PerMessageDeflateExtension.nextIncomingFrame (PerMessageDeflateExtension.java:105)
At org.eclipse.jetty.websocket.common.extensions.compress.CompressExtension.forwardIncoming (CompressExtension.java:136)
At org.eclipse.jetty.websocket.common.extensions.compress.PerMessageDeflateExtension.incomingFrame (PerMessageDeflateExtension.java:85)
At org.eclipse.jetty.websocket.common.extensions.ExtensionStack.incomingFrame (ExtensionStack.java:214)
At org.eclipse.jetty.websocket.common.Parser.notifyFrame (Parser.java:220)
At org.eclipse.jetty.websocket.common.Parser.parse (Parser.java:258)
At org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.readParse (AbstractWebSocketConnection.java:632)
At org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillable (AbstractWebSocketConnection.java:480)
At org.eclipse.jetty.io.AbstractConnection $ 2.run (AbstractConnection.java:544)
At org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:635)
At org.eclipse.jetty.util.thread.QueuedThreadPool $ 3.run (QueuedThreadPool.java:555)
At java.lang.Thread.run (Thread.java:748)

How do I correct this?
The homepage of kaiwa, is locked with the name "Connecting"

dev_config.json=

{
"isDev": true,
"http": {
"host": "192.168.254.133",
"port": 8000
},
"session": {
"secret": "shhhhhh don't tell anyone ok?"
},
"server": {
"name": "XMPP",
"domain": "srvtest",
"wss": "wss://192.168.254.133:7443/ws/",
"muc": "",
"startup": "",
"admin": ""
}
}