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From junpingdu(堵俊平) <junpin...@tencent.com>
Subject Re: [VOTE] Release Apache Hadoop 2.8.5 (RC0)(Internet mail)
Date Mon, 17 Sep 2018 02:08:20 GMT
Hi Ajay,
     I cannot reproduce this issue. Can you check if there is some issues with your system
settings or configurations?

Thanks,

Junping

On 13/09/2018, 00:17, "Ajay Kumar" <ajay.kumar@hortonworks.com> wrote:

    Built from source. Not sure if I am missing some config but MR test jobs (Pi) are failing
with error. ("Error: Could not find or load main class org.apache.hadoop.mapreduce.v2.app.MRAppMaster".)

     Anyone else facing same issue?
        
        See below exception in Nodemanager which I haven't seen earlier.    2018-09-11 11:26:31,343
INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NodeManager metrics system started
        2018-09-11 11:26:31,386 WARN org.apache.hadoop.yarn.util.ResourceCalculatorPlugin:
java.lang.UnsupportedOperationException: Could not determine OS: Failed to instantiate default
resource calculator.
        java.lang.UnsupportedOperationException: Could not determine OS
        	at org.apache.hadoop.util.SysInfo.newInstance(SysInfo.java:43)
        	at org.apache.hadoop.yarn.util.ResourceCalculatorPlugin.<init>(ResourceCalculatorPlugin.java:41)
        	at org.apache.hadoop.yarn.util.ResourceCalculatorPlugin.getResourceCalculatorPlugin(ResourceCalculatorPlugin.java:191)
        	at org.apache.hadoop.yarn.server.nodemanager.NodeResourceMonitorImpl.serviceInit(NodeResourceMonitorImpl.java:74)
        	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        	at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
        	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:357)
        	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:636)
        	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:684)
        
        Thanks,
        Ajay
    
    On 9/12/18, 6:31 AM, "Kihwal Lee" <kihwal@oath.com.INVALID> wrote:
    
        +1 (binding)
        
        - Built from source
        - Brought up a single node cluster
        - Checked basic HDFS functions and checked the UIs
        - Ran several simple jobs.
        
        
        On Mon, Sep 10, 2018 at 7:01 AM 俊平堵 <junping_du@apache.org> wrote:
        
        > Hi all,
        >
        >      I've created the first release candidate (RC0) for Apache
        > Hadoop 2.8.5. This is our next point release to follow up 2.8.4. It
        > includes 33 important fixes and improvements.
        >
        >
        >     The RC artifacts are available at:
        > http://home.apache.org/~junping_du/hadoop-2.8.5-RC0
        >
        >
        >     The RC tag in git is: release-2.8.5-RC0
        >
        >
        >
        >     The maven artifacts are available via repository.apache.org<
        > http://repository.apache.org> at:
        >
        > https://repository.apache.org/content/repositories/orgapachehadoop-1140
        >
        >
        >     Please try the release and vote; the vote will run for the usual 5
        > working
        > days, ending on 9/15/2018 PST time.
        >
        >
        > Thanks,
        >
        >
        > Junping
        >
        
    
    

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