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metatron-app / metatron-discovery

Powerful & Easy way for big data discovery
https://metatron.app
Apache License 2.0
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Null cache should not return null for stats #4171

Open navis opened 1 year ago

navis commented 1 year ago 
java.lang.NullPointerException: null
    at io.druid.client.cache.CacheMonitor.doMonitor(CacheMonitor.java:60) ~[druid-server-2021.3-SNAPSHOT.jar:2021.3-SNAPSHOT]
    at io.druid.java.util.metrics.AbstractMonitor.monitor(AbstractMonitor.java:39) ~[java-util-2021.3-SNAPSHOT.jar:2021.3-SNAPSHOT]
    at io.druid.java.util.metrics.MonitorScheduler$1.call(MonitorScheduler.java:119) ~[java-util-2021.3-SNAPSHOT.jar:2021.3-SNAPSHOT]
    at io.druid.java.util.metrics.MonitorScheduler$1.call(MonitorScheduler.java:114) ~[java-util-2021.3-SNAPSHOT.jar:2021.3-SNAPSHOT]
    at io.druid.java.util.common.concurrent.ScheduledExecutors$4.run(ScheduledExecutors.java:171) [java-util-2021.3-SNAPSHOT.jar:2021.3-SNAPSHOT]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_312]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_312]
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_312]
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_312]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_312]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_312]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_312]
2023-01-27T03:11:53,019 INFO [qtp198220326-1425] io.druid.server.QueryResource