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From Ajay Kumar <ajay.ku...@hortonworks.com>
Subject Re: [VOTE] Release Apache Hadoop 2.8.5 (RC0)
Date Wed, 12 Sep 2018 16:17:21 GMT
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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