This looks like a pretty serious problem, thanks! Glad people are testing on 
Windows.

Matei

> On Jan 31, 2015, at 11:57 AM, MartinWeindel <martin.wein...@gmail.com> wrote:
> 
> FYI: Spark 1.2.1rc2 does not work on Windows!
> 
> On creating a Spark context you get following log output on my Windows
> machine:
> INFO  org.apache.spark.SparkEnv:59 - Registering BlockManagerMaster
> ERROR org.apache.spark.util.Utils:75 - Failed to create local root dir in
> C:\Users\mweindel\AppData\Local\Temp\. Ignoring this directory.
> ERROR org.apache.spark.storage.DiskBlockManager:75 - Failed to create any
> local dir.
> 
> I have already located the cause. A newly added function chmod700() in
> org.apache.util.Utils uses functionality which only works on a Unix file
> system.
> 
> See also pull request [https://github.com/apache/spark/pull/4299] for my
> suggestion how to resolve the issue.
> 
> Best regards,
> 
> Martin Weindel
> 
> 
> 
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