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https://issues.apache.org/jira/browse/YARN-6198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Bibin A Chundatt resolved YARN-6198.
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Resolution: Duplicate
> getAMRMToken for application with unmanaged AM fail in secure mode
> -------------------------------------------------------------------
>
> Key: YARN-6198
> URL: https://issues.apache.org/jira/browse/YARN-6198
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bibin A Chundatt
>
> *Command*
> ./yarn jar
> ../share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-3.0.0-alpha3-SNAPSHOT.jar
> -appname bibin -cmd "sleep 10"
> {code}
> public void launchAM(ApplicationAttemptId attemptId)
> throws IOException, YarnException {
> Credentials credentials = new Credentials();
> Token<AMRMTokenIdentifier> token =
> rmClient.getAMRMToken(attemptId.getApplicationId());
> // Service will be empty but that's okay, we are just passing down only
> // AMRMToken down to the real AM which eventually sets the correct
> // service-address.
> credentials.addToken(token.getService(), token);
> {code}
> Token is not received.
> {noformat}
> 2017-02-15 16:14:58,188 FATAL unmanagedamlauncher.UnmanagedAMLauncher: Error
> running Client
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.applications.unmanagedamlauncher.UnmanagedAMLauncher.launchAM(UnmanagedAMLauncher.java:186)
> at
> org.apache.hadoop.yarn.applications.unmanagedamlauncher.UnmanagedAMLauncher.run(UnmanagedAMLauncher.java:354)
> at
> org.apache.hadoop.yarn.applications.unmanagedamlauncher.UnmanagedAMLauncher.main(UnmanagedAMLauncher.java:111)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:239)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:153)
> {noformat}
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