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https://issues.apache.org/jira/browse/ACCUMULO-2087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13856112#comment-13856112
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Christopher Tubbs commented on ACCUMULO-2087:
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Tables is not supposed to be public API. This is just a helper/utility class to
read from ZooKeeper. I haven't worked through all of it yet to see the pitfalls
of concurrency... but my guess is that Tables is prone to these sorts of issues
everywhere. It probably shouldn't throw IllegalArgumentException... it should
probably pass the null through instead of making a new String if null, and be
handled by the caller.
> Tables.getNamespaces NPE's on missing table ID
> ----------------------------------------------
>
> Key: ACCUMULO-2087
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2087
> Project: Accumulo
> Issue Type: Bug
> Reporter: Josh Elser
> Priority: Critical
> Fix For: 1.6.0
>
>
> If the user provides a tableID which doesn't exist to getNamespace, the
> implementation will NPE if a table with that ID doesn't exist.
> It should throw a proper exception and be noted in the javadoc as such.
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