[ https://issues.apache.org/jira/browse/HDFS-3974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andy Isaacson reassigned HDFS-3974: ----------------------------------- Assignee: Andy Isaacson > dfsadmin -metasave throws NPE when under-replicated blocks are recently > deleted > ------------------------------------------------------------------------------- > > Key: HDFS-3974 > URL: https://issues.apache.org/jira/browse/HDFS-3974 > Project: Hadoop HDFS > Issue Type: Bug > Components: name-node > Affects Versions: 3.0.0 > Reporter: Todd Lipcon > Assignee: Andy Isaacson > Priority: Minor > > We currently have the following race: > - Block is underreplicated, hence it's present in neededReplications > - User deletes the block - its BlockInfo.blockCollection is set to null > - Admin runs metaSave before the replication monitor runs. > This causes an NPE since block.getBlockCollection() for one of the > neededReplication blocks has become null. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira