[jira] [Commented] (BEAM-7864) Portable spark Reshuffle coder cast exception

[ https://issues.apache.org/jira/browse/BEAM-7864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16913794#comment-16913794 ] Kyle Weaver commented on BEAM-7864: --- The underlying coder to the LengthPrefixCoder is ByteArrayCoder,

[jira] [Commented] (BEAM-7864) portable spark Reshuffle coder cast exception

[ https://issues.apache.org/jira/browse/BEAM-7864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16897560#comment-16897560 ] Kyle Weaver commented on BEAM-7864: --- To do the repartition in Spark, we need to encode the keys and