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https://issues.apache.org/jira/browse/HADOOP-19290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HADOOP-19290.
-----------------------------------
Fix Version/s: 3.5.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Operating on / in ChecksumFileSystem throws NPE
> -----------------------------------------------
>
> Key: HADOOP-19290
> URL: https://issues.apache.org/jira/browse/HADOOP-19290
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> Operating on / on ChecksumFileSystem throws NPE
> {noformat}
> java.lang.NullPointerException
> at org.apache.hadoop.fs.Path.<init>(Path.java:151)
> at org.apache.hadoop.fs.Path.<init>(Path.java:130)
> at
> org.apache.hadoop.fs.ChecksumFileSystem.getChecksumFile(ChecksumFileSystem.java:121)
> at
> org.apache.hadoop.fs.ChecksumFileSystem$FsOperation.run(ChecksumFileSystem.java:774)
> at
> org.apache.hadoop.fs.ChecksumFileSystem.setReplication(ChecksumFileSystem.java:884)
> {noformat}
> Internally I observed it for SetPermission but on my Mac LocalFs doesn't let
> me setPermission on "/", so I reproduced it via SetReplication which goes
> through the same code path
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