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https://issues.apache.org/jira/browse/HDFS-16728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17583909#comment-17583909
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ASF GitHub Bot commented on HDFS-16728:
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ZanderXu commented on PR #4734:
URL: https://github.com/apache/hadoop/pull/4734#issuecomment-1225010431
@goiri @Hexiaoqiao I have rebased this patch based on the latest trunk.
Please help me review and merge it into trunk. Then I will rebase
[HDFS-16734](https://issues.apache.org/jira/browse/HDFS-16734) on the latest
trunk.
> 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
>
> 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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