The requirement calculation Job logger is consuming all the available file descriptors.

The requirement calculation Job logger is consuming all the available file descriptors and as a result the requirement calculation job cannot run:

 2019-04-08 12:45:47,334 Caesium-1-1 ERROR ServiceRunner     [c.a.scheduler.core.JobLauncher] Scheduled job with ID 'com.xpandit.raven.upgrade.StatusStorageUpgradeJobRunner:10' failedcom.xpandit.raven.b.n: java.io.FileNotFoundException: /home/log/xray-pre-calculation.log (Too many open files)