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https://issues.apache.org/jira/browse/ZOOKEEPER-3291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ZOOKEEPER-3291:
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Labels: pull-request-available (was: )
> improve error message when JAVA_HOME is set to the wrong value
> --------------------------------------------------------------
>
> Key: ZOOKEEPER-3291
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3291
> Project: ZooKeeper
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 3.4.12
> Environment: Windows
> Reporter: Mogens Heller Grabe
> Priority: Minor
> Labels: pull-request-available
>
> This is small (Windows-based) developer usability improvement.
> When the {{JAVA_HOME}} environment variable is set, but the value is wrong
> (so that {{JAVA_HOME}} + {{/bin/java.exe}} does not point correctly to
> {{java.exe}}), the startup script will simply fail with the message
> {{Error: JAVA_HOME is incorrectly set.}}
> which is a bummer. 😞
> With this tiny change, the error message will be much friendlier:
> {{Error: JAVA_HOME is incorrectly set: C:\Program
> Files\Java\jre1.8.0_201\bin}}
> {{Expected to find java.exe here: C:\Program
> Files\Java\jre1.8.0_201\bin\bin\java.exe}}
> (in this case showing a situation where one has inadvertently included
> {{/bin}} in the {{JAVA_HOME}} environment variable).
> This will also give a nicer error message in situations, where the JRE has
> been updated, and the one pointed to by {{JAVA_HOME}} has been uninstalled.
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