[ https://issues.apache.org/jira/browse/HDFS-7533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli updated HDFS-7533: ------------------------------------------ Fix Version/s: 2.6.1 [~sjlee0] backported this to 2.6.1. I just pushed the commit to 2.6.1 after running compilation and TestDataNodeExit which changed in the patch. > Datanode sometimes does not shutdown on receiving upgrade shutdown command > -------------------------------------------------------------------------- > > Key: HDFS-7533 > URL: https://issues.apache.org/jira/browse/HDFS-7533 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Kihwal Lee > Assignee: Eric Payne > Labels: 2.6.1-candidate > Fix For: 2.7.0, 2.6.1 > > Attachments: HDFS-7533-branch-2.6-v1.patch, HDFS-7533.v1.txt > > > When datanode is told to shutdown via the dfsadmin command during rolling > upgrade, it may not shutdown. This is because not all writers have responder > running, but sendOOB() tries anyway. This causes NPE and the shutdown thread > dies, halting the shutdown after only shutting down DataXceiverServer. -- This message was sent by Atlassian JIRA (v6.3.4#6332)