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https://issues.apache.org/jira/browse/HADOOP-15040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron Fabbri updated HADOOP-15040:
----------------------------------
    Fix Version/s: 3.1.0

> Upgrade AWS SDK to 1.11.271: NPE bug spams logs w/ Yarn Log Aggregation
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-15040
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15040
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.0.0-beta1
>            Reporter: Aaron Fabbri
>            Assignee: Aaron Fabbri
>            Priority: Blocker
>             Fix For: 3.1.0
>
>         Attachments: HADOOP-15040.001.patch
>
>
> My colleagues working with Yarn log aggregation found that they were getting 
> this message spammed in their logs when they used an s3a:// URI for logs 
> (yarn.nodemanager.remote-app-log-dir):
> {noformat}
> getting attribute Region of com.amazonaws.management:type=AwsSdkMetrics threw 
> an exception
> javax.management.RuntimeMBeanException: java.lang.NullPointerException
>       at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:839)
>       at 
> <snip>
> Caused by: java.lang.NullPointerException
>       at com.amazonaws.metrics.AwsSdkMetrics.getRegion(AwsSdkMetrics.java:729)
>       at com.amazonaws.metrics.MetricAdmin.getRegion(MetricAdmin.java:67)
>       at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
>       at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
> {noformat}
> This happens even though the aws sdk cloudwatch metrics reporting was 
> disabled (default), which is a bug. 
> I filed a [github issue|https://github.com/aws/aws-sdk-java/issues/1375|] and 
> it looks like a fix should be coming around SDK release 1.11.229 or so.  



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