[jira] [Created] (LOG4J2-2039) File rollover fails with error due to invalid previous file log names

["Leon Finker (JIRA)" <ji...@apache.org>]

Leon Finker created LOG4J2-2039:
-----------------------------------

             Summary: File rollover fails with error due to invalid previous file log names
                 Key: LOG4J2-2039
                 URL: https://issues.apache.org/jira/browse/LOG4J2-2039
             Project: Log4j 2
          Issue Type: Bug
    Affects Versions: 2.8.2
            Reporter: Leon Finker


Hi,

Not sure if you want to fix this or not. I noticed the following error and logs fail to rollover and causes a problem. It could cause a problem i guess if someone makes some kind of mistake of file suffix during support. Maybe you want to just skip those invalid files? It seems like it was a recent log4j2 change (maybe 2.8.x) since these files have been there since 2016 and previous log4j2 versions didn't complain. Looks like maybe support renamed some previous log files to have unix system time in the suffix like file.log.1457052422478.

{noformat}
2017-09-08 09:31:01,111 Log4j2-TF-1-AsyncLogger[AsyncContext@33909752]-1 ERROR An exception occurred processing Appender AppLogFile java.lang.NumberFormatException: For input string: "1457052422478"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
        at java.lang.Integer.parseInt(Integer.java:583)
        at java.lang.Integer.parseInt(Integer.java:615)
        at org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.getEligibleFiles(AbstractRolloverStrategy.java:130)
        at org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.getEligibleFiles(AbstractRolloverStrategy.java:98)
        at org.apache.logging.log4j.core.appender.rolling.DefaultRolloverStrategy.purgeDescending(DefaultRolloverStrategy.java:269)
        at org.apache.logging.log4j.core.appender.rolling.DefaultRolloverStrategy.purge(DefaultRolloverStrategy.java:199)
        at org.apache.logging.log4j.core.appender.rolling.DefaultRolloverStrategy.rollover(DefaultRolloverStrategy.java:326)
        at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:362)
        at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:278)
        at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.checkRollover(RollingFileManager.java:218)
        at org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender.append(RollingRandomAccessFileAppender.java:207)
        at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
        at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
        at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
        at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
        at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)
        at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)
        at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
        at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:79)
        at org.apache.logging.log4j.core.async.AsyncLogger.actualAsyncLog(AsyncLogger.java:337)
        at org.apache.logging.log4j.core.async.RingBufferLogEvent.execute(RingBufferLogEvent.java:161)
        at org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:45)
        at org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:29)
        at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:129)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
{noformat}



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