[logback-dev] [JIRA] Created: (LBCLASSIC-75) Synchronization of SimpleDateFormat object in DateConverter

Ralph Goers (JIRA) noreply-jira at qos.ch
Mon Oct 13 03:30:38 CEST 2008

Synchronization of SimpleDateFormat object in DateConverter

                 Key: LBCLASSIC-75
                 URL: http://jira.qos.ch/browse/LBCLASSIC-75
             Project: logback-classic
          Issue Type: Bug
          Components: Other
    Affects Versions: unspecified
         Environment: Operating System: All
Platform: All
            Reporter: Ralph Goers
            Assignee: Logback dev list

According to the API documentation of SimpleDateFormat, date formats are not synchronized and it is recommended to create separate format instances for each thread.
However, a possibly simpler (mer efficient) solution would be to synchronize on the SimpleDateFormat object in the convert() method to prevent two threads to access it concurrently.

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