[ https://issues.apache.org/jira/browse/YARN-2819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhijie Shen reassigned YARN-2819: --------------------------------- Assignee: Zhijie Shen > NPE in ATS Timeline Domains when upgrading from 2.4 to 2.6 > ---------------------------------------------------------- > > Key: YARN-2819 > URL: https://issues.apache.org/jira/browse/YARN-2819 > Project: Hadoop YARN > Issue Type: Bug > Components: timelineserver > Affects Versions: 2.6.0 > Reporter: Gopal V > Assignee: Zhijie Shen > Labels: Upgrade > > {code} > Caused by: java.lang.NullPointerException > at java.lang.String.<init>(String.java:554) > at > org.apache.hadoop.yarn.server.timeline.LeveldbTimelineStore.put(LeveldbTimelineStore.java:873) > at > org.apache.hadoop.yarn.server.timeline.LeveldbTimelineStore.put(LeveldbTimelineStore.java:1014) > at > org.apache.hadoop.yarn.server.timeline.TimelineDataManager.postEntities(TimelineDataManager.java:330) > at > org.apache.hadoop.yarn.server.timeline.webapp.TimelineWebServices.postEntities(TimelineWebServices.java:260) > {code} > triggered by > {code} > entity.getRelatedEntities(); > ... > } else { > byte[] domainIdBytes = db.get(createDomainIdKey( > relatedEntityId, relatedEntityType, > relatedEntityStartTime)); > // This is the existing entity > String domainId = new String(domainIdBytes); > if (!domainId.equals(entity.getDomainId())) { > {code} > The new String(domainIdBytes); throws an NPE. -- This message was sent by Atlassian JIRA (v6.3.4#6332)