Attila Doroszlai created HDDS-4467:
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             Summary: Acceptance test fails due to new Hadoop 3 image
                 Key: HDDS-4467
                 URL: https://issues.apache.org/jira/browse/HDDS-4467
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: docker
            Reporter: Attila Doroszlai
            Assignee: Attila Doroszlai


Acceptance test is broken by new Hadoop 3 docker image.  KMS container fails to 
start with:

{code}
2020-11-16 14:03:22,641 ERROR [main] conf.Configuration 
(Configuration.java:loadResource(3047)) - error parsing conf 
file:/etc/hadoop/core-site.xml
java.io.FileNotFoundException: /etc/hadoop/core-site.xml (No such file or 
directory)
{code}

The problem is that the new {{hadoop:3}} image is based on more recent 
{{hadoop-runner}}, which sets {{HADOOP_CONF_DIR}}, whereas previously it was 
unset.

{code:title=https://github.com/apache/hadoop/blob/3f6d7a6ce2236292a2d044b5c3c80bdec28b2922/Dockerfile#L42}
ENV HADOOP_CONF_DIR=/etc/hadoop
{code}



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