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https://issues.apache.org/jira/browse/HDFS-16728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HDFS-16728.
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Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> RBF throw IndexOutOfBoundsException with disableNameServices
> ------------------------------------------------------------
>
> Key: HDFS-16728
> URL: https://issues.apache.org/jira/browse/HDFS-16728
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> RBF will throw an IndexOutOfBoundsException when the namespace is disabled.
> Suppose we have a mount point /a/b -> ns0 -> /a/b and we disabled the ns0.
> RBF will throw IndexOutOfBoundsException during handling requests with path
> starting with /a/b.
> {code:java}
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at
> java.util.ArrayList.rangeCheck(ArrayList.java:657)
> at java.util.ArrayList.get(ArrayList.java:433)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol.mkdirs(RouterClientProtocol.java:756)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.mkdirs(RouterRpcServer.java:980)
> {code}
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