[ https://issues.apache.org/jira/browse/FLINK-14780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated FLINK-14780: ----------------------------------- Labels: pull-request-available (was: ) > Avoid leaking instance of DefaultScheduler before object is constructed > ----------------------------------------------------------------------- > > Key: FLINK-14780 > URL: https://issues.apache.org/jira/browse/FLINK-14780 > Project: Flink > Issue Type: Sub-task > Components: Runtime / Coordination > Affects Versions: 1.10.0 > Reporter: Gary Yao > Assignee: Gary Yao > Priority: Critical > Labels: pull-request-available > Fix For: 1.10.0 > > > An instance of {{DefaultScheduler}} may leak to a metric reporter thread > before the instance of the object is fully constructed. This can lead to an > NPE (see below. > https://api.travis-ci.org/v3/job/611597698/log.txt > {noformat} > java.lang.NullPointerException > at > org.apache.flink.runtime.scheduler.DefaultScheduler.getNumberOfRestarts(DefaultScheduler.java:156) > at > org.apache.flink.metrics.slf4j.Slf4jReporter.tryReport(Slf4jReporter.java:114) > at > org.apache.flink.metrics.slf4j.Slf4jReporter.report(Slf4jReporter.java:80) > at > org.apache.flink.runtime.metrics.MetricRegistryImpl$ReporterTask.run(MetricRegistryImpl.java:436) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > {noformat} -- This message was sent by Atlassian Jira (v8.3.4#803005)