[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17377451#comment-17377451 ] Stephen O'Donnell commented on HDFS-15796: -- +1 on this from me. I will commit tomorrow if nobody

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17377367#comment-17377367 ] Hudson commented on HDFS-15796: --- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem ||

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17377326#comment-17377326 ] Daniel Ma commented on HDFS-15796: -- [~sodonnell] Yes， NameNode will exit when the exception happens

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17377279#comment-17377279 ] Stephen O'Donnell commented on HDFS-15796: -- [~Daniel Ma] When this problem occurs, does the

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17376667#comment-17376667 ] Stephen O'Donnell commented on HDFS-15796: -- Thanks [~Daniel Ma] - the latest patch looks better.

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17376586#comment-17376586 ] Daniel Ma commented on HDFS-15796: -- [~sodonnell] Yes, it is more elegant. >

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17376568#comment-17376568 ] Stephen O'Donnell commented on HDFS-15796: -- For the latest patch, why not just use `return new

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17376429#comment-17376429 ] Daniel Ma commented on HDFS-15796: -- [~sodonnell] yes, I totally agree with the solution you raised. I

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17376421#comment-17376421 ] Stephen O'Donnell commented on HDFS-15796: -- [~Hemanth Boyina] Would you have time to have a

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17376419#comment-17376419 ] Stephen O'Donnell commented on HDFS-15796: -- Looking at the changes in this area, I think the

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17375453#comment-17375453 ] Stephen O'Donnell commented on HDFS-15796: -- [~Daniel Ma] I understand how a

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17375421#comment-17375421 ] Daniel Ma commented on HDFS-15796: -- [~sodonnell] Thanks for reviewing, Actually you missed the for loop

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17375386#comment-17375386 ] Stephen O'Donnell commented on HDFS-15796: -- I don't think the patch will help anything here. All

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17375331#comment-17375331 ] Daniel Ma commented on HDFS-15796: -- [~weichiu],[~hexiaoqiao]  Pls help to review this patch, thanks >

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17370997#comment-17370997 ] Daniel Ma commented on HDFS-15796: -- [~sodonnell] We have made some modifications based on OS version,

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17370995#comment-17370995 ] Daniel Ma commented on HDFS-15796: -- [~weichiu]  No idea what kind of condition can reproduce this

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17325054#comment-17325054 ] Wei-Chiu Chuang commented on HDFS-15796: [~Daniel Ma] ping. Please let us know more details.

[jira] [Commented] (HDFS-15796) ConcurrentModificationException error happens on NameNode occasionally

[ https://issues.apache.org/jira/browse/HDFS-15796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17273633#comment-17273633 ] Stephen O'Donnell commented on HDFS-15796: -- [~Daniel Ma] which version are you running exactly?