When loaded in Openfire 4.8.0, this plugin logs this to stdout:
Exception in thread "ThreadDump-Timer-1" java.lang.NoSuchMethodError: 'org.apache.mina.transport.socket.nio.NioSocketAcceptor org.jivesoftware.openfire.spi.ConnectionListener.getSocketAcceptor()'
at org.igniterealtime.openfire.plugin.threaddump.evaluator.CoreThreadPoolsEvaluator.checkPools(CoreThreadPoolsEvaluator.java:63)
at org.igniterealtime.openfire.plugin.threaddump.evaluator.CoreThreadPoolsEvaluator.shouldCreateThreadDump(CoreThreadPoolsEvaluator.java:35)
at org.igniterealtime.openfire.plugin.threaddump.DumpCheckTimerTask.run(DumpCheckTimerTask.java:97)
at java.base/java.util.TimerThread.mainLoop(Timer.java:556)
at java.base/java.util.TimerThread.run(Timer.java:506)
When loaded in Openfire 4.8.0, this plugin logs this to stdout: