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https://issues.apache.org/jira/browse/YARN-3157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14318522#comment-14318522
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Bibin A Chundatt commented on YARN-3157:
----------------------------------------

[~ozawa] Thank you for comming the patch and reviewing  the same.

> Refactor the exception handling in ConverterUtils#to*Id
> -------------------------------------------------------
>
>                 Key: YARN-3157
>                 URL: https://issues.apache.org/jira/browse/YARN-3157
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Minor
>             Fix For: 2.7.0
>
>         Attachments: YARN-3157.1.patch, YARN-3157.2.patch, YARN-3157.2.patch, 
> YARN-3157.3.patch, YARN-3157.patch, YARN-3157.patch
>
>
> yarn.cmd application -kill application_123
> Format wrong given for application id or attempt. Exception will be thrown to 
> console with out any info
> {quote}
> 15/02/07 22:18:01 WARN util.NativeCodeLoader: Unable to load native-hadoop 
> library for your platform... using builtin-java classes where
> Exception in thread "main" java.util.NoSuchElementException
>         at 
> com.google.common.base.AbstractIterator.next(AbstractIterator.java:75)
>         at 
> org.apache.hadoop.yarn.util.ConverterUtils.toApplicationId(ConverterUtils.java:146)
>         at 
> org.apache.hadoop.yarn.util.ConverterUtils.toApplicationId(ConverterUtils.java:205)
>         at 
> org.apache.hadoop.yarn.client.cli.ApplicationCLI.killApplication(ApplicationCLI.java:383)
>         at 
> org.apache.hadoop.yarn.client.cli.ApplicationCLI.run(ApplicationCLI.java:219)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> {quote}
> Need to add catch block for java.util.NoSuchElementException also
> {color:red}./yarn container -status container_e20_1423221031460_0003_01{color}
> Exception in thread "main" java.util.NoSuchElementException
>         at 
> com.google.common.base.AbstractIterator.next(AbstractIterator.java:75)
>         at 
> org.apache.hadoop.yarn.api.records.ContainerId.fromString(ContainerId.java:227)
>         at 
> org.apache.hadoop.yarn.util.ConverterUtils.toContainerId(ConverterUtils.java:178)



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