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From "Corey J. Nolet (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-1717) accumulo should refuse to init or start with a directory of / (especially file:///)
Date Tue, 17 Sep 2013 13:42:52 GMT


Corey J. Nolet commented on ACCUMULO-1717:

How do you have Hadoop configured on the system(s) in question? It looks
like Hadoop has defaulted to use the local filesystem. If the INFO
statements below are not enough, I suppose there could be a more detailed
message. I would not say that the Initialize should fail when the local
filesystem is used as this is a product of the indirection supplied by the
FileSystem object. Maybe a more detailed warning could be issued?

There are components using the underlying Hadoop filesystem in local mode,
specifically the MiniAccumuloCluster.

> accumulo should refuse to init or start with a directory of / (especially file:///)
> -----------------------------------------------------------------------------------
>                 Key: ACCUMULO-1717
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 1.6.0
>            Reporter: Steve Loughran
> Accumulo is  happy to init the root directory of a file system. It's hard to see when
this would ever be a good idea, especially if that filesystem is file:/// . A sanity check
to catch this -a sign of a bad configuration- would stop accidentally damaging the filesystem

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