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https://issues.apache.org/jira/browse/ACCUMULO-3006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068641#comment-14068641
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Dave Marion commented on ACCUMULO-3006:
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If the file reference is viewfs:/warehouse-a/accumulo/tables/a/bcd.rf, then the
garbage collector will try to delete this file. If trash is turned on, it will
try to move the file to viewfs:/user/accumulo/.Trash which may or may not be
mapped in viewfs.
viewfs is a client utility set up in core-site.xml. IMO, Accumulo should never
use anything in core-site.xml and should only allow file references to include
the values from instance.volumes or instance.dfs.uri while explicity
disallowing viewfs from being used in either of these properties.
> Don't allow viewfs in instance.volumes
> --------------------------------------
>
> Key: ACCUMULO-3006
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3006
> Project: Accumulo
> Issue Type: Bug
> Affects Versions: 1.6.0
> Reporter: Dave Marion
> Priority: Blocker
> Fix For: 1.6.1
>
>
> I think one of our folks put viewfs into instance.volumes on accident. File
> references in accumulo.root and accumulo.metadata were then written with
> viewfs in the path. The garbage collector then throws errors as compactions
> occur and it tries delete and move the files to the hdfs users trash
> directory.
> viewfs should never be allowed in instance.volumes property. It should fail.
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