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Posted to dev@accumulo.apache.org by "Billie Rinaldi (Updated) (JIRA)" <ji...@apache.org> on 2011/10/20 19:34:10 UTC
[jira] [Updated] (ACCUMULO-53) Multiple deletes cause a
RuntimeException
[ https://issues.apache.org/jira/browse/ACCUMULO-53?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Billie Rinaldi updated ACCUMULO-53:
-----------------------------------
Component/s: (was: tserver)
client
Assignee: Jesse Yates (was: Keith Turner)
> Multiple deletes cause a RuntimeException
> -----------------------------------------
>
> Key: ACCUMULO-53
> URL: https://issues.apache.org/jira/browse/ACCUMULO-53
> Project: Accumulo
> Issue Type: Bug
> Components: client
> Affects Versions: 1.3.5, 1.4.0
> Reporter: Jesse Yates
> Assignee: Jesse Yates
>
> Pretty sure this affects 1.3.5, though it may also on 1.4.0 (haven't tested on the latter, but the code looks the same).
> When a BatchDeleter is used multiple times on the same time, it doesn't reset the scan iterators, leading to runtime exceptions when there are multiple calls to delete().
> Below, we can see that it adds a scan iterator to get the list of values in the table. Since it just sets the name of the deleter to "org.apache.accumulo.core.client.BatchDeleter.NOVALUE" every time. So when you go to run the scan a second time, it attempts set the same scan iterator again.
> {code}
> public void delete() throws MutationsRejectedException, TableNotFoundException {
> super.addScanIterator(new IteratorSetting(Integer.MAX_VALUE, BatchDeleter.class.getName() + ".NOVALUE", SortedKeyIterator.class));
> {code}
> This results in a RuntimeException telling you that the 'Iterator name is already in use'.
> After doing the delete, the BatchDeleter should remove that iterator (possibly just clear all iterators) when done with the delete.
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