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https://issues.apache.org/jira/browse/LOG4J2-1740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Gregory resolved LOG4J2-1740.
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Resolution: Fixed
Fix Version/s: 2.8
Ralph,
Would you mind giving a look over my fix in Git master? All the tests pass.
Peter,
Can you test again?
Thank you all,
Gary
> Add CronTriggeringPolicy programmatically leads to NPE
> ------------------------------------------------------
>
> Key: LOG4J2-1740
> URL: https://issues.apache.org/jira/browse/LOG4J2-1740
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.7
> Reporter: Peter Nimmervoll
> Fix For: 2.8
>
>
> When i try to add a RollingFileAppender with a CronTriggeringPolicy
> programmatically then I get a NPE because the ScheduledExecutorService in
> ConfigurationScheduler is null. IMO the ScheduledExecutorService should
> always be created even when there are no items which needs to be scheduled.
> Caused by: java.lang.NullPointerException
> at
> org.apache.logging.log4j.core.config.ConfigurationScheduler.schedule(ConfigurationScheduler.java:107)
> ~[log4j-core-2.7.jar:2.7]
> at
> org.apache.logging.log4j.core.config.ConfigurationScheduler.scheduleWithCron(ConfigurationScheduler.java:120)
> ~[log4j-core-2.7.jar:2.7]
> at
> org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:72)
> ~[log4j-core-2.7.jar:2.7]
> at
> org.apache.logging.log4j.core.appender.rolling.RollingFileManager.initialize(RollingFileManager.java:104)
> ~[log4j-core-2.7.jar:2.7]
> at
> org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender.createAppender(RollingRandomAccessFileAppender.java:218)
> ~[log4j-core-2.7.jar:2.7]
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