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Ralph Goers commented on LOG4J2-2517: ------------------------------------- In the log I see {code} Setting prev file time to 2018-09-25T18:40:48.677+0100 {code} and then {code} Unable to move file K:\clem\dev\Analyser\Orchestrator\logs\orchestrator.log to K:\clem\dev\Analyser\Orchestrator\logs\orchestrator-09-25-18-18-40-48-3.log: java.nio.file.FileSystemException K:\clem\dev\Analyser\Orchestrator\logs\orchestrator.log -> K:\clem\dev\Analyser\Orchestrator\logs\orchestrator-09-25-18-18-40-48-3.log: The process cannot access the file because it is being used by another process. {code} With the new code that is in place that will be the time the file was created, so somehow you are pointing to a file that was created on Sept 25 and something must still be accessing it. With your configuration and what the logs show is that there is only a single output stream for this file. Even if we did open it multiple times I am still not sure that you would get this message unless a second process was running and had the file open. > RollingFileManager OnStartupTriggeringPolicy never rolls the file on startup > ---------------------------------------------------------------------------- > > Key: LOG4J2-2517 > URL: https://issues.apache.org/jira/browse/LOG4J2-2517 > Project: Log4j 2 > Issue Type: Bug > Components: Appenders > Affects Versions: 2.11.1 > Reporter: Jon Hanson > Priority: Minor > Attachments: log4j2.json, log4j2_debug.log > > > I'm trying to get log4j2 (V2.11.1) to roll the existing log file at startup > before it starts logging into a new file. My config is atached to the jira. > I'm using a RollingFileManager with a OnStartupTriggeringPolicy with > minSize=0, which, according to the documentation should be sufficient. > However what i'm finding is that at startup, the > {{OnStartupTriggeringPolicy}} class {{initialize}} method compares the > timestamp of the log file to the JVM startup, and if the log file time is > after the start-up time then it won't roll the file. If I step through the > code then I see that at the point that check is made the file time is always > after the JVM start time, because log4j2 appears to have already opened the > file for writing at that point. > More info here: > [https://stackoverflow.com/questions/53632091/log4j2-rollingfilemanager-onstartuptriggeringpolicy-never-rolls-the-file-on-star] > -- This message was sent by Atlassian JIRA (v7.6.3#76005)