scala.MatchError: [Ljava.lang.String;@3224ea91 (of class [Ljava.lang.String;)

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[Ljava.lang.String;@3224ea91 (of class [Ljava.lang.String;)
scala.MatchError: [Ljava.lang.String;@3224ea91 (of class [Ljava.lang.String;)	at $line27.$read$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$iw$$anonfun$2$$anonfun$apply$1.apply(<console>:29)