Debug openfire from source code meet NullPointerException

I build successfully in Eclipse4.4 , The openfire source code version‘s 4.0.1.

But I debug , The error.log :

2016.02.27 09:14:12 org.jivesoftware.openfire.container.AdminConsolePlugin - An exception occurred while trying to make available the admin console via HTTPS.

java.lang.NullPointerException

at org.jivesoftware.openfire.container.AdminConsolePlugin.startup(AdminConsolePlug in.java:144)

at org.jivesoftware.openfire.container.AdminConsolePlugin.initializePlugin(AdminCo nsolePlugin.java:244)

at org.jivesoftware.openfire.container.PluginManager.loadPlugin(PluginManager.java :447)

console display:

HTTP ERROR 404

Problem accessing /login.jsp. Reason:

/login.jsp

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What should I do!

can anyone help me, i will be thankful.

Program is ok! The first step is setup , URL : http://localhost:9090/setup

How did you solve the problem, I have tried many times, but…