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From Óscar Puertas (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SPARK-4820) Spark build encounters "File name too long" on some encrypted filesystems
Date Fri, 13 Mar 2015 14:45:38 GMT

    [ https://issues.apache.org/jira/browse/SPARK-4820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14360443#comment-14360443
] 

Óscar Puertas commented on SPARK-4820:
--------------------------------------

I see, but I have no an encrypted file system and it's failing too. Seems to be related to
long paths.

> Spark build encounters "File name too long" on some encrypted filesystems
> -------------------------------------------------------------------------
>
>                 Key: SPARK-4820
>                 URL: https://issues.apache.org/jira/browse/SPARK-4820
>             Project: Spark
>          Issue Type: Bug
>          Components: Build
>            Reporter: Patrick Wendell
>            Priority: Minor
>
> 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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