[YARN-5725] Test uncaught exception in TestContainersMonitorResourceChange.testContainersResourceChange when setting IP and host

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha2
• Component/s: nodemanager
• Labels: oct16-easy
• Hadoop Flags: Reviewed
• Assignee: Miklos Szegedi
• Reporter: Miklos Szegedi
• Created: 13/Oct/16 00:48
• Updated: 29/Nov/16 21:23
• Resolved: 29/Nov/16 21:23

Description

The issue is a warning but it prevents container monitor to continue
2016-10-12 14:38:23,280 WARN [Container Monitor] monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(594)) - Uncaught exception in ContainersMonitorImpl while monitoring resource of container_123456_0001_01_000001
java.lang.NullPointerException
at org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl$MonitoringThread.run(ContainersMonitorImpl.java:455)
2016-10-12 14:38:23,281 WARN [Container Monitor] monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(613)) - org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl is interrupted. Exiting.

Issue Links

• is broken by: YARN-5430 Return container's ip and host from NM ContainerStatus call
• is duplicated by: YARN-5726 Test exception in TestContainersMonitorResourceChange.testContainersResourceChange when trying to get NMTimelinePublisher
• is related to: YARN-5776 Checkstyle: MonitoringThread.Run method length is too long