Since there is no time stamp in stderror.log, I can not say more than that I got this exception:
Exception in thread "AutoCloseEventGenerator0" java.lang.StackOverflowError
at java.lang.Exception.<init>(Exception.java:29)
at java.lang.RuntimeException.<init>(RuntimeException.java:32)
at java.lang.NullPointerException.<init>(NullPointerException.java:36)
at org.jivesoftware.openfire.gateway.protocols.msn.MSNSessionListener.exceptionCaught(MSNSessionListener.java:54)
at net.sf.cindy.impl.AbstractSession$1.doRun(AbstractSession.java:264)
at net.sf.cindy.impl.AbstractSession$DispatchObject.run(AbstractSession.java:395)
at net.sf.cindy.impl.SimpleDispatcher.dispatch(SimpleDispatcher.java:35)
at net.sf.cindy.impl.AbstractSession.dispatch(AbstractSession.java:249)
at net.sf.cindy.impl.AbstractSession.dispatchException(AbstractSession.java:258)
at net.sf.cindy.impl.AbstractSession$DispatchObject.run(AbstractSession.java:397)
at net.sf.cindy.impl.SimpleDispatcher.dispatch(SimpleDispatcher.java:35)
at net.sf.cindy.impl.AbstractSession.dispatch(AbstractSession.java:249)
at net.sf.cindy.impl.AbstractSession.dispatchException(AbstractSession.java:258)
at net.sf.cindy.impl.AbstractSession$DispatchObject.run(AbstractSession.java:397)
at net.sf.cindy.impl.SimpleDispatcher.dispatch(SimpleDispatcher.java:35)
at net.sf.cindy.impl.AbstractSession.dispatch(AbstractSession.java:249)
at net.sf.cindy.impl.AbstractSession.dispatchException(AbstractSession.java:258)
at net.sf.cindy.impl.AbstractSession$DispatchObject.run(AbstractSession.java:397)
at net.sf.cindy.impl.SimpleDispatcher.dispatch(SimpleDispatcher.java:35)
at net.sf.cindy.impl.AbstractSession.dispatch(AbstractSession.java:249) (.....1000 lines or so of this....) at net.sf.cindy.impl.AbstractSession.dispatchException(AbstractSession.java:258)
at net.sf.cindy.impl.AbstractSession$DispatchObject.run(AbstractSession.java:397)
at net.sf.cindy.impl.SimpleDispatcher.dispatch(SimpleDispatcher.java:35)
at net.sf.cindy.impl.AbstractSession.dispatch(AbstractSession.java:249)