Niranjan Rao created LOG4J2-1235:
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             Summary: 
org.apache.logging.log4j.core.appender.routing.IdlePurgePolicy not working 
correctly
                 Key: LOG4J2-1235
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1235
             Project: Log4j 2
          Issue Type: Bug
          Components: Appenders
    Affects Versions: 2.5
            Reporter: Niranjan Rao
            Priority: Critical


There is a problem in the function 
org.apache.logging.log4j.core.appender.routing.IdlePurgePolicy.scheduleNext().

I got out of file handles errors despite of setting IdlePurgePolicy. I did some 
digging I believe following is the cause

If the createTime is Long.MAX_VALUE, task is never scheduled. However function 
org.apache.logging.log4j.core.appender.routing.IdlePurgePolicy.update(String, 
LogEvent) checks if the future is not null before deciding to schedule.

After appendersUsage becomes empty first time, appenders keep piling up.

I believe fix will be to set future to null in the function scheduleNext in the 
else part of the condition where it checks for createTime



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