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https://issues.apache.org/jira/browse/FLINK-2003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14548392#comment-14548392
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ASF GitHub Bot commented on FLINK-2003:
---------------------------------------
Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/690#discussion_r30530340
--- Diff: flink-yarn/pom.xml ---
@@ -113,6 +113,10 @@ under the License.
<jvmArg>-Xms128m</jvmArg>
<jvmArg>-Xmx512m</jvmArg>
</jvmArgs>
+ <args>
+ <arg>-Xmax-classfile-name</arg>
+ <arg>128</arg>
--- End diff --
Does your encrypted file system only support 128 characters?
We should try to set the value as high as possible, otherwise, we might run
into
[problems](http://scala-language.1934581.n4.nabble.com/Xmax-classfile-name-td4637574.html)
> 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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