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https://issues.apache.org/jira/browse/CASSANDRA-455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12759139#action_12759139
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Jun Rao commented on CASSANDRA-455:
-----------------------------------

It seems that one needs to call 
DebuggableThreadPoolExecutor.logFutureExceptions(r) to catch any exception 
while running the scheduled task. However, once get() is called on the 
FutureTask, the task is no longer scheduled any more. Anyone knows how do 
address this?

> DebuggableScheduledThreadPoolExecutor only schedules a task once
> ----------------------------------------------------------------
>
>                 Key: CASSANDRA-455
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-455
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.5
>            Reporter: Jun Rao
>
> DebuggableScheduledThreadPoolExecutor only schedules a task exactly once, 
> instead of periodically. This affects scheduled flushers and periodic hints 
> delivery.

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