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Date: Wed, 1 Feb 2012 21:58:58 +0000 (UTC)
From: "Dave Brosius (Updated) (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (CASSANDRA-3822) JdbcDate.getString(ByteBuffer)
 appears to not be multithreaded safe
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     [ https://issues.apache.org/jira/browse/CASSANDRA-3822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dave Brosius updated CASSANDRA-3822:
------------------------------------

    Attachment: use_thread_local_sdfs.diff

use thread local for holding SimpleDateFormat
                
> JdbcDate.getString(ByteBuffer) appears to not be multithreaded safe
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-3822
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3822
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Dave Brosius
>            Priority: Trivial
>         Attachments: use_thread_local_sdfs.diff
>
>
> JdbcDate.getString(ByteBuffer) makes use of a static SimpleDateFormat
> static final SimpleDateFormat FORMATTER = new SimpleDateFormat(DEFAULT_FORMAT);
> SimpleDateFormat is not thread safe, as it uses a field from parent class DateFormat
>     protected Calendar calendar;
> to convert dates to calendars.

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