[jira] [Commented] (BIGTOP-1335) JAVA_HOME auto detect improvement

["Konstantin Boudnik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BIGTOP-1335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14037953#comment-14037953 ] 

Konstantin Boudnik commented on BIGTOP-1335:
--------------------------------------------

Another possible improvement is to add alternatives check to the list of current test?

> JAVA_HOME auto detect improvement
> ---------------------------------
>
>                 Key: BIGTOP-1335
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-1335
>             Project: Bigtop
>          Issue Type: Improvement
>          Components: Init scripts
>            Reporter: Guo Ruijing
>
> In existing implementation, JAVA_HOME is automatically detected in /usr/lib/bigtop-utils/bigtop-detect-javahome if JAVA_HOME is not configured. If some component configure JAVA_HOME and some component doesn't configure JAVA_HOME by mistake, different component may use different JAVA_HOME. In this case, it is not easy to find JAVA_HOME difference in different components.
> We may improve:
> 1. WARNING message is generated if JAVA_HOME is not configured in  /usr/lib/bigtop-utils/bigtop-detect-javahome.
> or 2. We may disable JAVA_HOME auto detection and use JAVA_HOME from /etc/default/bigtop-utils



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