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Date:      Fri, 31 Mar 2023 15:59:52 +0200
From:      Benedict Reuschling <bcr@freebsd.org>
To:        elastic@freebsd.org
Subject:   JNI error - version mismatch
Message-ID:  <fb672f12-c98f-c408-2f88-4f69d10f6d5a@freebsd.org>
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Hello Elasticsearch maintainers,

I've been scouring bugzilla and the FreeBSD forums for an answer, but 
couldn't find any.

Every time I run the elasticsearch-certutil after installing the 
elasticsearch8 package, I get the following error:

$ elasticsearch-certutil ca --ca-dn "CN=BSD" --pem --out /tmp/elastic-ca.zip
Error: A JNI error has occurred, please check your installation and try 
again
Exception in thread "main" java.lang.UnsupportedClassVersionError: 
org/elasticsearch/launcher/CliToolLauncher has been compiled by a more 
recent version of the Java Runtime (class file version 61.0), this 
version of the Java Runtime only recognizes class file versions up to 52.0
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
     at 
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
     at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)
     at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
     at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
     at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
     at 
sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:601)

It seems to me that Java 11 or 8 that comes with the pkg needs to be 
compiled with a higher version.
Have you seen this error before?

Regards and thanks for keeping Elasticsearch and friends updated in FreeBSD.

Benedict

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    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
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  <body>
    <p>Hello Elasticsearch maintainers,</p>
    <p>I've been scouring bugzilla and the FreeBSD forums for an answer,
      but couldn't find any.</p>
    <p>Every time I run the elasticsearch-certutil after installing the
      elasticsearch8 package, I get the following error:<br>
    </p>
    <p><font face="Courier New, Courier, monospace">$
        elasticsearch-certutil ca --ca-dn "CN=BSD" --pem --out
        /tmp/elastic-ca.zip<br>
        Error: A JNI error has occurred, please check your installation
        and try again<br>
        Exception in thread "main"
        java.lang.UnsupportedClassVersionError:
        org/elasticsearch/launcher/CliToolLauncher has been compiled by
        a more recent version of the Java Runtime (class file version
        61.0), this version of the Java Runtime only recognizes class
        file versions up to 52.0<br>
            at java.lang.ClassLoader.defineClass1(Native Method)<br>
            at java.lang.ClassLoader.defineClass(ClassLoader.java:756)<br>
            at
        java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)<br>
            at
        java.net.URLClassLoader.defineClass(URLClassLoader.java:473)<br>
            at
        java.net.URLClassLoader.access$100(URLClassLoader.java:74)<br>
            at java.net.URLClassLoader$1.run(URLClassLoader.java:369)<br>
            at java.net.URLClassLoader$1.run(URLClassLoader.java:363)<br>
            at java.security.AccessController.doPrivileged(Native
        Method)<br>
            at
        java.net.URLClassLoader.findClass(URLClassLoader.java:362)<br>
            at java.lang.ClassLoader.loadClass(ClassLoader.java:418)<br>
            at
        sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)<br>
            at java.lang.ClassLoader.loadClass(ClassLoader.java:351)<br>
            at
        sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:601)</font></p>
    <p>It seems to me that Java 11 or 8 that comes with the pkg needs to
      be compiled with a higher version.<br>
      Have you seen this error before?</p>
    <p>Regards and thanks for keeping Elasticsearch and friends updated
      in FreeBSD.</p>
    <p>Benedict<br>
    </p>
  </body>
</html>

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