[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16584198#comment-16584198 ] Henrique Barros commented on HDFS-5970: --- I just reproduced it returning null. See the issue I

[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16021654#comment-16021654 ] zhangyubiao commented on HDFS-5970: --- [~olegd], what action you do to reproduced ? > callers of

[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15150485#comment-15150485 ] Oleg Danilov commented on HDFS-5970: We just "reproduced" this issue accidentally using Hadoop 2.3.0:

[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13906813#comment-13906813 ] Junping Du commented on HDFS-5970: -- The plan sounds reasonable. I agree NPE happens here

[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13907105#comment-13907105 ] Yongjun Zhang commented on HDFS-5970: - Thanks for making the change. Indeed it's minor.

[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13905627#comment-13905627 ] Yongjun Zhang commented on HDFS-5970: - Thanks Junping. callers of NetworkTopology's

[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13906529#comment-13906529 ] Junping Du commented on HDFS-5970: -- Nice catch, Yongjun! Would be great if you can deliver

[jira] [Commented] (HDFS-5970) callers of NetworkTopology's chooseRandom method to expect null return value

[ https://issues.apache.org/jira/browse/HDFS-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13906672#comment-13906672 ] Yongjun Zhang commented on HDFS-5970: - Hi Iunping, Thanks for your encouraging words!