[jira] [Commented] (FLINK-2003) Building on some encrypted filesystems leads to "File name too long" error

["Robert Metzger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14539694#comment-14539694 ] 

Robert Metzger commented on FLINK-2003:
---------------------------------------

I think we also should put an entry to our FAQ and maybe to the README.

> Building on some encrypted filesystems leads to "File name too long" error
> --------------------------------------------------------------------------
>
>                 Key: FLINK-2003
>                 URL: https://issues.apache.org/jira/browse/FLINK-2003
>             Project: Flink
>          Issue Type: Bug
>          Components: Build System
>            Reporter: Theodore Vasiloudis
>            Priority: Minor
>              Labels: build, starter
>
> The classnames generated from the build system can be too long.
> Creating too long filenames in some encrypted filesystems is not possible, including encfs which is what Ubuntu uses.
> This the same as this [Spark issue|https://issues.apache.org/jira/browse/SPARK-4820]
> The workaround (taken from the linked issue) is to add in Maven under the compile options: 
> {code}
> +              <arg>-Xmax-classfile-name</arg>
> +              <arg>128</arg>
> {code}
> And in SBT add:
> {code}
> +    scalacOptions in Compile ++= Seq("-Xmax-classfile-name", "128"),
> {code}



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