akka.event.Logging$LoggerInitializationException

[luohui20001]

Hi there:       when my colleague runs multiple spark Apps simultaneously,some 
of them failed with akka.event.Logging$LoggerInitializationException.
 Caused by: akka.event.Logging$LoggerInitializationException: Logger 
log1-Slf4jLogger did not respond with LoggerInitialized, sent instead [TIMEOUT]
        at 
akka.event.LoggingBus$class.akka$event$LoggingBus$$addLogger(Logging.scala:185)
        at 
akka.event.LoggingBus$$anonfun$4$$anonfun$apply$4.apply(Logging.scala:114)
        at 
akka.event.LoggingBus$$anonfun$4$$anonfun$apply$4.apply(Logging.scala:113)
        at scala.util.Success$$anonfun$map$1.apply(Try.scala:206)
        at scala.util.Try$.apply(Try.scala:161)
        at scala.util.Success.map(Try.scala:206)
        at akka.event.LoggingBus$$anonfun$4.apply(Logging.scala:113)
I check the source code of Spark and found no match about this exception,then 
digging into akka source code and found a parameter in akka may be helpful.
logger-startup-timeout = 5s
Is there a way to increase this timeout setting, or if there is a better way to 
solve this exception?thanks.
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Thanks&Best regards!
San.Luo