The error indicates that com.zreflect.emyed.whiteboard.pubsub.EventLoggerAsync class is expecting a ch.qos.logback.classic.LoggerContext, instead it obtains a org.slf4j.helpers.NOPLoggerFactory. This usually occurs when some code tries to cast the return value of org.slf4j.LoggerFactory.getILoggerFactory and slf4j is bound to the NOP implementation because no slf4j binding was available on the class path. This is usually accompanied with an error message. See: http://slf4j.org/codes.html#StaticLoggerBinder HTH, On 3/19/2013 2:16 PM, marni srikanth wrote:
I am getting the following error when i am using maven, jboss 7.1.1. But i don't see when i tested it separately. Is there a fix to it?
17:24:23,675 ERROR [stderr] java.lang.ClassCastException: org.slf4j.helpers.NOPLoggerFactory cannot be cast to ch.qos.logback.classic.LoggerContext
17:24:23,681 ERROR [stderr] at com.zreflect.emyed.whiteboard.pubsub.EventLoggerAsync.logStart(EventLoggerAsync.java:116)
17:24:23,683 ERROR [stderr] at com.zreflect.emyed.whiteboard.pubsub.EventLoggerAsync.onDisconnect(EventLoggerAsync.java:62)
17:24:23,684 ERROR [stderr] at org.atmosphere.cpr.AtmosphereResourceImpl.onDisconnect(AtmosphereResourceImpl.java:817)
17:24:23,686 ERROR [stderr] at org.atmosphere.cpr.AtmosphereResourceImpl.notifyListeners(AtmosphereResourceImpl.java:761)
17:24:23,688 ERROR [stderr] at org.atmosphere.cpr.AtmosphereResourceImpl.notifyListeners(AtmosphereResourceImpl.java:742)
17:24:23,690 ERROR [stderr] at org.atmosphere.cpr.AsynchronousProcessor.cancelled(AsynchronousProcessor.java:601)
17:24:23,691 ERROR [stderr] at org.atmosphere.container.BlockingIOCometSupport.cancelled(BlockingIOCometSupport.java:172)
17:24:23,693 ERROR [stderr] at org.atmosphere.cpr.AsynchronousProcessor$1.run(AsynchronousProcessor.java:119)
17:24:23,694 ERROR [stderr] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
17:24:23,696 ERROR [stderr] at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
17:24:23,698 ERROR [stderr] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
17:24:23,699 ERROR [stderr] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
17:24:23,703 ERROR [stderr] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
17:24:23,707 ERROR [stderr] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
17:24:23,715 ERROR [stderr] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
17:24:23,716 ERROR [stderr] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
17:24:23,718 ERROR [stderr] at java.lang.Thread.run(Thread.java:662)
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