[jira] [Commented] (SPARK-15015) Log statements lack file name/number

["John-Michael Reed (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-15015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16844805#comment-16844805 ] 

John-Michael Reed commented on SPARK-15015:
-------------------------------------------

You can copy-paste code from this library that I wrote:

https://github.com/JohnReedLOL/pos#Logging

It gets the file name and line number at compile time and formats it to
look like a one line stack trace. Helpful for finding bugs!

- John




> Log statements lack file name/number
> ------------------------------------
>
>                 Key: SPARK-15015
>                 URL: https://issues.apache.org/jira/browse/SPARK-15015
>             Project: Spark
>          Issue Type: Improvement
>          Components: Build
>    Affects Versions: 1.6.1
>         Environment: All
>            Reporter: John-Michael Reed
>            Priority: Trivial
>              Labels: bulk-closed, debug, log
>
> I would like it if the Apache Spark project had file names and line numbers in its log statements like this:
> http://i.imgur.com/4hvGQ0t.png
> The example uses my library, http://johnreedlol.github.io/scala-trace-debug/, but https://github.com/lihaoyi/sourcecode is also useful for this purpose. 
> The real benefit in doing this is because the user of an IDE can jump to the location of a log statement without having to set breakpoints.
> http://s29.postimg.org/ud0knou1j/debug_Screenshot_Crop.png
> Note that the arrow will go to the next log statement if each log statement is hyperlinked.



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