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<p style="margin: 10px 0 0 0">The following stack trace copied from above is pretty informative. </p>
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Caused by java.lang.NullPointerException
at org.slf4j.helpers.SubstituteLogger.isDelegateEventAware(SubstituteLogger.java:353)
at org.slf4j.LoggerFactory.playRecordedEvents(LoggerFactory.java:196)
at org.slf4j.LoggerFactory.bind(LoggerFactory.java:151)
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<p style="margin: 10px 0 0 0">At the point where <tt>LoggerFactory.playRecordedEvents</tt> throws a NPE, the is invoked the <tt>_delegate</tt> variable in <tt>SubtituteLogger</tt> is supposed to be set. Indeed, the _delegate just a few lines above by the <tt>LoggerFactory.fixSubstitutedLoggers</tt> method which precedes the call to playRecordedEvents.</p>
<p style="margin: 10px 0 0 0">I am at a loss on how <tt>_delegate</tt> variable in <tt>SubtituteLogger</tt> could be null at that stage. </p>
<p style="margin: 10px 0 0 0">The code in question was introduced in 1.7.15. Thus, it is pretty new.</p>
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