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Posted to hdfs-dev@hadoop.apache.org by "Renukaprasad C (Jira)" <ji...@apache.org> on 2021/09/05 05:05:00 UTC
[jira] [Resolved] (HDFS-16077) OIV parsing tool throws NPE for a
FSImage with multiple InodeSections
[ https://issues.apache.org/jira/browse/HDFS-16077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Renukaprasad C resolved HDFS-16077.
-----------------------------------
Resolution: Not A Bug
Private changes caused the bug, not applicable to OS.
> OIV parsing tool throws NPE for a FSImage with multiple InodeSections
> ---------------------------------------------------------------------
>
> Key: HDFS-16077
> URL: https://issues.apache.org/jira/browse/HDFS-16077
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ravuri Sushma sree
> Priority: Major
>
> An FSImage with Multiple InodeSections is resulting in NPE when accessed through OIV Tool with default Parser (WEB)
> This issue is reproducible only with multiple InodeSections (Writing more than 1 Million Files)
> On analyzing the code further we found that NPE is caused in org.apache.hadoop.hdfs.tools.offlineImageViewer.FSImageLoader.fromINodeId(long). fromINodeId(long) is searching for Inode in an Inodesection which doesn't have the Inode(but exists in another InodeSection)
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