[ https://issues.apache.org/jira/browse/HDFS-2747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon resolved HDFS-2747. ------------------------------- Resolution: Fixed Fix Version/s: HA branch (HDFS-1623) Hadoop Flags: Reviewed > HA: entering safe mode after starting SBN can NPE > ------------------------------------------------- > > Key: HDFS-2747 > URL: https://issues.apache.org/jira/browse/HDFS-2747 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: ha > Affects Versions: HA branch (HDFS-1623) > Reporter: Eli Collins > Assignee: Uma Maheswara Rao G > Fix For: HA branch (HDFS-1623) > > Attachments: HDFS-2747.patch, HDFS-2747.patch > > > Entering Safemode on the primary after while it's already in safemode after > the SBN is started results in an NPE: > {noformat} > hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -safemode get > Safe mode is ON > hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -safemode enter > safemode: java.lang.NullPointerException > {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira