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Openfire 4.2.0 Login Issues? Check your database schema


lots of errors logged, like

2017.12.08 21:29:29 ERROR [pool-4-thread-1]: org.jivesoftware.openfire.container.PluginMonitor - An unexpected exception occurred:
java.util.concurrent.ExecutionException: java.lang.NullPointerException: Plugin could not be located: clustering
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:192)
	at org.jivesoftware.openfire.container.PluginMonitor$MonitorTask.run(PluginMonitor.java:310)

Is this actually a cluster? Did you download updated plugins or are you running updated plugins in an older openfire?



I don’t have a cluster installation. I don’t remember when was the last time I updated the plugins.



can you provide ls -l output for your plugins folder? On the admin console, can you view installed plugins and attempt to update any that need it?


There are 5 available plugin updates but when I click the update icon/button nothing happens.


I would suggest moving all those files from 2016 out of that folder and restarting Openfire. Then see what happens



It worked.

Thank you very much.



Thanks for working with me, you likely found a bug here. OF-1453