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https://issues.apache.org/jira/browse/SPARK-21531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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antonkulaga updated SPARK-21531:
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Priority: Major (was: Minor)
> CLONE - Spark build encounters "File name too long" on some encrypted
> filesystems
> ---------------------------------------------------------------------------------
>
> Key: SPARK-21531
> URL: https://issues.apache.org/jira/browse/SPARK-21531
> Project: Spark
> Issue Type: Improvement
> Components: Documentation
> Reporter: antonkulaga
> Assignee: Theodore Vasiloudis
> Fix For: 1.4.0
>
>
> This was reported by Luchesar Cekov on github along with a proposed fix. The
> fix has some potential downstream issues (it will modify the classnames) so
> until we understand better how many users are affected we aren't going to
> merge it. However, I'd like to include the issue and workaround here. If you
> encounter this issue please comment on the JIRA so we can assess the
> frequency.
> The issue produces this error:
> {code}
> [error] == Expanded type of tree ==
> [error]
> [error] ConstantType(value = Constant(Throwable))
> [error]
> [error] uncaught exception during compilation: java.io.IOException
> [error] File name too long
> [error] two errors found
> {code}
> The workaround is in maven under the compile options add:
> {code}
> + <arg>-Xmax-classfile-name</arg>
> + <arg>128</arg>
> {code}
> In SBT add:
> {code}
> + scalacOptions in Compile ++= Seq("-Xmax-classfile-name", "128"),
> {code}
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