[jira] [Updated] (AMBARI-24535) File View not accessible in Ambari 2.7 after enabling 3 namenodes in HDP 3.0

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-24535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated AMBARI-24535:
------------------------------------
    Labels: pull-request-available  (was: )

> File View not accessible in Ambari 2.7 after enabling 3 namenodes in HDP 3.0
> ----------------------------------------------------------------------------
>
>                 Key: AMBARI-24535
>                 URL: https://issues.apache.org/jira/browse/AMBARI-24535
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-views
>    Affects Versions: 2.7.0
>            Reporter: Akhil S Naik
>            Priority: Major
>              Labels: pull-request-available
>
> *Ambari-2.7.0* supports HDFS Federation architecture 
> But if we configure 3 namenode the Files view never works.
> It will fail with below exception
> {code:java}
> Service 'hdfs' check failed: HDFS080 webhdfs.ha.namenodes.list namenodes count is not exactly 2
> Service 'hdfs' check failed: 
> org.apache.ambari.view.utils.hdfs.HdfsApiException: HDFS080 webhdfs.ha.namenodes.list namenodes count is not exactly 2 
> at org.apache.ambari.view.utils.hdfs.ConfigurationBuilder.copyHAProperties(ConfigurationBuilder.java:247) 
> at org.apache.ambari.view.utils.hdfs.ConfigurationBuilder.parseProperties(ConfigurationBuilder.java:110) 
> at org.apache.ambari.view.utils.hdfs.ConfigurationBuilder.buildConfig(ConfigurationBuilder.java:327) 
> at org.apache.ambari.view.utils.hdfs.HdfsApi.<init>(HdfsApi.java:75) 
> at org.apache.ambari.view.utils.hdfs.HdfsUtil.getHdfsApi(HdfsUtil.java:157) 
> at org.apache.ambari.view.utils.hdfs.HdfsUtil.connectToHDFSApi(HdfsUtil.java:145) 
> at org.apache.ambari.view.commons.hdfs.HdfsService.hdfsSmokeTest(HdfsService.java:145) 
> at org.apache.ambari.view.filebrowser.HelpService.hdfsStatus(HelpService.java:95) 
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
> at java.lang.reflect.Method.invoke(Method.java:498) 
> at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) 
> {code}
> By inspecting the code , it looks like this is not supposed to work in filesview and it wil only allow two namenodes 
> code : 
> https://github.com/apache/ambari/blob/trunk/contrib/views/utils/src/main/java/org/apache/ambari/view/utils/hdfs/ConfigurationBuilder.java#L247



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