[jira] [Commented] (SPARK-15717) Cannot perform RDD operations on a checkpointed VertexRDD.

["Asher Krim (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-15717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15511727#comment-15511727 ] 

Asher Krim commented on SPARK-15717:
------------------------------------

Any update on this issue? We are experiencing ClassCastExceptions when using checkpointing and LDA with the EM optimizer.

> Cannot perform RDD operations on a checkpointed VertexRDD.
> ----------------------------------------------------------
>
>                 Key: SPARK-15717
>                 URL: https://issues.apache.org/jira/browse/SPARK-15717
>             Project: Spark
>          Issue Type: Bug
>          Components: GraphX
>    Affects Versions: 1.6.1
>            Reporter: Anderson de Andrade
>
> A checkpointed (materialized) VertexRDD throws the following exception when collected:
> bq. java.lang.ArrayStoreException: org.apache.spark.graphx.impl.ShippableVertexPartition
> Can be replicated by running:
> {code:java}
> graph.vertices.checkpoint()
> graph.vertices.count() // materialize
> graph.vertices.collect()
> {code}



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