YarnConfiguration is @Evolving :)

Moving discussion to dev@apex.

Thank you,

Vlad

//
On 3/23/17 08:43, Pramod Immaneni wrote:
So much for semantic versioning..

On Thu, Mar 23, 2017 at 7:15 AM, Munagala Ramanath <r...@datatorrent.com <mailto:r...@datatorrent.com>> wrote:

    Looks like this was a breaking change introduced in Hadoop 2.7.0:

    In
    
https://hadoop.apache.org/docs/r2.6.5/api/org/apache/hadoop/yarn/conf/YarnConfiguration.html
    
<https://hadoop.apache.org/docs/r2.6.5/api/org/apache/hadoop/yarn/conf/YarnConfiguration.html>
    we have:

    static longDELEGATION_TOKEN_MAX_LIFETIME_DEFAULT
    static StringDELEGATION_TOKEN_MAX_LIFETIME_KEY

    But in
    
https://hadoop.apache.org/docs/r2.7.0/api/org/apache/hadoop/yarn/conf/YarnConfiguration.html
    
<https://hadoop.apache.org/docs/r2.7.0/api/org/apache/hadoop/yarn/conf/YarnConfiguration.html>
    we have:

    static longRM_DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT
    static StringRM_DELEGATION_TOKEN_MAX_LIFETIME_KEY

    Ram

    On Wed, Mar 22, 2017 at 11:59 PM, Chinmay Kolhatkar
    <chin...@apache.org <mailto:chin...@apache.org>> wrote:

        Hi All,

        I want to clarify whether my understanding is correct here.

        1. I downloaded apache-apex-core-3.5.0-source-release.tar.gz
        2. Extracted the tar
        3. Ran following command to build apex core:
        mvn clean package -DskipTests -Dhadoop.version=2.7.3
        (NOTE: I have overridden hadoop version to 2.7.3)

        I get following compilation error:
        [ERROR] Failed to execute goal
        org.apache.maven.plugins:maven-compiler-plugin:3.3:compile
        (default-compile) on project apex-engine: Compilation failure:
        Compilation failure:
        [ERROR]
        
/home/chinmay/files/apache-apex-core-3.5.0/engine/src/main/java/com/datatorrent/stram/plan/logical/LogicalPlan.java:[159,87]
        cannot find symbol
        [ERROR] symbol: variable DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT
        [ERROR] location: class
        org.apache.hadoop.yarn.conf.YarnConfiguration
        [ERROR]
        
/home/chinmay/files/apache-apex-core-3.5.0/engine/src/main/java/com/datatorrent/stram/client/StramAppLauncher.java:[586,120]
        cannot find symbol
        [ERROR] symbol: variable DELEGATION_TOKEN_MAX_LIFETIME_KEY
        [ERROR] location: class
        org.apache.hadoop.yarn.conf.YarnConfiguration
        [ERROR]
        
/home/chinmay/files/apache-apex-core-3.5.0/engine/src/main/java/com/datatorrent/stram/client/StramAppLauncher.java:[586,173]
        cannot find symbol
        [ERROR] symbol: variable DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT
        [ERROR] location: class
        org.apache.hadoop.yarn.conf.YarnConfiguration
        [ERROR] -> [Help 1]

        What should be the expected result while building apex-core
        when building with different version of hadoop?
        Is this error expected OR something wrong in my environment?

        Thanks,
        Chinmay.




--
    _______________________________________________________

    Munagala V. Ramanath

    Software Engineer

    E: r...@datatorrent.com <mailto:r...@datatorrent.com> | M: (408)
    331-5034 <tel:%28408%29%20331-5034> | Twitter: @UnknownRam

    www.datatorrent.com <http://www.datatorrent.com>  |
    apex.apache.org <http://apex.apache.org>

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