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https://issues.apache.org/jira/browse/HBASE-9374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753064#comment-13753064
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Jimmy Xiang commented on HBASE-9374:
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That's a good catch. Dynamic class loading should be done in RS side only. Do
we have a way to detect it is client side or server side?
> Client requires write access to hbase.local.dir unnecessarily
> -------------------------------------------------------------
>
> Key: HBASE-9374
> URL: https://issues.apache.org/jira/browse/HBASE-9374
> Project: HBase
> Issue Type: Bug
> Components: Client, Protobufs
> Affects Versions: 0.95.2
> Reporter: Nick Dimiduk
>
> Per this
> [thread|http://mail-archives.apache.org/mod_mbox/hbase-dev/201308.mbox/%3cCANZa=GuLO0jTLs1fF+5_NRDczO+M=ssqjeagveeicy8injb...@mail.gmail.com%3e]
> from the dev list.
> {quote}
> It appears that as of HBASE-1936, we now require that client applications
> have write access to hbase.local.dir. This is because ProtobufUtil
> instantiates a DyanamicClassLoader as part of static initialization. This
> classloader is used for instantiating Comparators, Filters, and Exceptions.
> {quote}
> Client applications do not need to use DynamicClassLoader and so should not
> require this write access.
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