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https://issues.apache.org/jira/browse/SOLR-12141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16415132#comment-16415132
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Uwe Schindler commented on SOLR-12141:
--------------------------------------

Actually, the current AWK script does not even work with Solaris, this has to 
be fixed anyways.

> Solr does not start on Windows with Java 10
> -------------------------------------------
>
>                 Key: SOLR-12141
>                 URL: https://issues.apache.org/jira/browse/SOLR-12141
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: scripts and tools
>    Affects Versions: 7.0, 7.1, 7.2, 7.3
>         Environment: Windows 10 with Java 10+
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>            Priority: Blocker
>             Fix For: 7.3
>
>         Attachments: SOLR-12141.patch, SOLR-12141.patch, SOLR-12141.patch, 
> SOLR-12141.patch
>
>
> If you try to start Solr on Windows with Java 10, it fails with the following 
> message:
> {noformat}
> C:\Users\Uwe Schindler\Desktop\solr-7.3.0\bin>solr start -e techproducts
> ERROR: Java 1.8 or later is required to run Solr. Current Java version is: 10
> {noformat}
> Java 8 and Java 9 works. I did not try Linux, but the version parsing on 
> Windows is so braindead (i tried to fix it for Java 9 already). Windows CMD 
> shell does not know any numerical comparisons, so it fails as "10" is 
> alphabetically smaller "9".
> I hope this is better on Linux.
> Why do we have the version check at all? Wouldn't it be better to simply wait 
> for a useful message by the Java VM on startup because of wrong class file 
> format? This is too simply to break, especially as the output of "java 
> -version" is not standardized (and changes with Java 10 to also have a date 
> code,...). It also may contain "openjdk" instead of "java".
> So please please, let's get rid of the version check!



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