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" <kih...@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...@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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