Yes sure, you can find it here: http://stackoverflow.com/questions/34736587/kryo-serializer-causing-exception-on-underlying-scala-class-wrappedarray hope it works, I did not try, I am using Java. To be precise I found the solution for my problem: To sum up, I had problems in registering the following class in Java: “scala.collection.mutable.WrappedArray$ofRef” The tip is: Class a = Class.forName(“scala.collection.mutable.WrappedArray$ofRef”) and then put a in the array of classes you are passing to the method registerKryoClasses()
From: Yang Cao [mailto:cybea...@gmail.com] Sent: 10 January 2017 15:12 To: Enrico DUrso Cc: user@spark.apache.org Subject: Re: Kryo On Spark 1.6.0 If you don’t mind, could please share me with the scala solution? I tried to use kryo but seamed not work at all. I hope to get some practical example. THX On 2017年1月10日, at 19:10, Enrico DUrso <enrico.du...@everis.com<mailto:enrico.du...@everis.com>> wrote: Hi, I am trying to use Kryo on Spark 1.6.0. I am able to register my own classes and it works, but when I set “spark.kryo.registrationRequired “ to true, I get an error about a scala class: “Class is not registered: scala.collection.mutable.WrappedArray$ofRef”. Any of you has already solved this issue in Java? I found the code to solve it in Scala, but unable to register this class in Java. Cheers, enrico ________________________________ CONFIDENTIALITY WARNING. This message and the information contained in or attached to it are private and confidential and intended exclusively for the addressee. everis informs to whom it may receive it in error that it contains privileged information and its use, copy, reproduction or distribution is prohibited. If you are not an intended recipient of this E-mail, please notify the sender, delete it and do not read, act upon, print, disclose, copy, retain or redistribute any portion of this E-mail. ________________________________ CONFIDENTIALITY WARNING. This message and the information contained in or attached to it are private and confidential and intended exclusively for the addressee. everis informs to whom it may receive it in error that it contains privileged information and its use, copy, reproduction or distribution is prohibited. If you are not an intended recipient of this E-mail, please notify the sender, delete it and do not read, act upon, print, disclose, copy, retain or redistribute any portion of this E-mail.