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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3980) NPE in HttpURLConnection.java while starting SecondaryNameNode.
Date Wed, 26 Sep 2012 09:52:08 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463666#comment-13463666
] 

Brahma Reddy Battula commented on HDFS-3980:
--------------------------------------------

Same tried for HA...Standby Namenode is also throwing NPE.Please check following trace from
Standby Namenode

{noformat}
2012-09-26 03:17:13,009 INFO org.apache.hadoop.hdfs.server.namenode.NNStorageRetentionManager:
Purging old image FSImageFile(file=/home/SEPT26/Security/install/hadoop/namenode/hadoop-root/dfs/name/current/fsimage_0000000000000000015,
cpktTxId=0000000000000000015)
2012-09-26 03:17:13,045 INFO org.apache.hadoop.hdfs.server.namenode.TransferFsImage: Opening
connection to http://1****.168:50070/getimage?putimage=1&txid=19&port=50070&storageInfo=-40:1224627981:0:CID-228c6cac-4a99-4359-aadf-e9904f01e1d7
2012-09-26 03:17:13,111 ERROR org.apache.hadoop.hdfs.server.namenode.ha.StandbyCheckpointer:
Exception in doCheckpoint
java.lang.RuntimeException: java.lang.NullPointerException
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1137)
	at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2338)
	at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:388)
	at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.isNegotiate(KerberosAuthenticator.java:187)
	at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:142)
	at 

{noformat}
                
> NPE in HttpURLConnection.java while starting SecondaryNameNode.
> ---------------------------------------------------------------
>
>                 Key: HDFS-3980
>                 URL: https://issues.apache.org/jira/browse/HDFS-3980
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 3.0.0, 2.0.1-alpha
>            Reporter: Brahma Reddy Battula
>            Priority: Critical
>         Attachments: core-site.xml, hdfs-site.xml
>
>
> Scenario:
> ========
> I started secure cluster by going thru following..
> https://ccp.cloudera.com/display/CDHDOC/CDH3+Security+Guide..
> Here SecondaryNamenode is getting shutdown by throwing NPE..
> Please correct me If I am wrong...
> Will attach conf and logs..

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