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Posted to common-dev@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2008/09/05 00:13:46 UTC

[jira] Commented: (HADOOP-4042) bin/hadoop should check `which java` to find java

    [ https://issues.apache.org/jira/browse/HADOOP-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628481#action_12628481 ] 

Doug Cutting commented on HADOOP-4042:
--------------------------------------

This sounds reasonable and is what e.g., Ant's scripts do, so there's precedent.

> bin/hadoop should check `which java` to find java
> -------------------------------------------------
>
>                 Key: HADOOP-4042
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4042
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 0.18.0
>            Reporter: Michael Bieniosek
>            Priority: Minor
>
> Currently, the bin/hadoop script tries to find java in JAVA_HOME/bin/java.  If JAVA_HOME is not set, it errors out.
> Instead, I think it should check `which java 2>/dev/null` to see if there is a java on the user's PATH.  If a java is on the user's path, the script should just set JAVA=java.

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