[ http://jira.qos.ch/browse/LBCLASSIC-36?page=com.atlassian.jira.plugin.system... ] Ralph Goers updated LBCLASSIC-36: --------------------------------- Attachment: DateFormatPerfTest.java Updated version of test.
Synchronization of SimpleDateFormat object in DateConverter -----------------------------------------------------------
Key: LBCLASSIC-36 URL: http://jira.qos.ch/browse/LBCLASSIC-36 Project: logback-classic Issue Type: Bug Components: Other Affects Versions: unspecified Environment: Operating System: All Platform: All Reporter: Anders Hammar Assignee: Ceki Gulcu Attachments: DateConverter_patch.java, DateFormatPerfTest.java, dateformattest.zip
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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