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https://issues.apache.org/jira/browse/HBASE-23203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-23203.
-------------------------------
Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to master.
Thanks [~kpalanisamy] for contributing.
> NPE in RSGroup info
> -------------------
>
> Key: HBASE-23203
> URL: https://issues.apache.org/jira/browse/HBASE-23203
> Project: HBase
> Issue Type: Bug
> Components: rsgroup, UI
> Affects Versions: 3.0.0
> Reporter: Karthik Palanisamy
> Assignee: Karthik Palanisamy
> Priority: Major
> Fix For: 3.0.0
>
>
> Rsgroup.jsp calls *Admin#listTableDescriptors((Pattern)null, true)* with
> Pattern null but implementation *RawAsyncHBaseAdmin#listTableDescriptors*
> don't allow null by Precondition. Also, the suggestion listTables(boolean) is
> removed/deprecated already.
>
> {code:java}
> HTTP ERROR 500
> Problem accessing /rsgroup.jsp. Reason:
> Server Error
> Caused by:java.lang.NullPointerException: pattern is null. If you don't
> specify a pattern, use listTables(boolean) instead
> at
> org.apache.hbase.thirdparty.com.google.common.base.Preconditions.checkNotNull(Preconditions.java:897)
> at
> org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin.listTableDescriptors(RawAsyncHBaseAdmin.java:495)
> at
> org.apache.hadoop.hbase.client.AdminOverAsyncAdmin.listTableDescriptors(AdminOverAsyncAdmin.java:137)
> at
> org.apache.hadoop.hbase.generated.master.rsgroup_jsp._jspService(rsgroup_jsp.java:390)
> {code}
>
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