Switch from Legacy JVM Logging to Unified Logging

[dmatej]

See links:

• https://foojay.io/today/introduction-to-jvm-unified-logging-jep-158-jep-271/
• https://foojay.io/today/embracing-jvm-unified-logging/
• https://openjdk.org/jeps/158

GFEmbeddedLauncher and maybe other classes too still use LogVMOutput etc.

    private void addThreadDump(List<String> cmdLine) {
        File logDir = new File(domainDir, "logs");
        File jvmLogFile = new File(logDir, "jvm.log");

        // bnevins :
        // warning these are the only order-dependent JVM options that I know about
        // Unlock... *must* come before the other two.

        cmdLine.add("-XX:+UnlockDiagnosticVMOptions");
        cmdLine.add("-XX:+LogVMOutput");
        cmdLine.add("-XX:LogFile=" + jvmLogFile.getPath());
    }

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This issue has been marked as inactive and old and will be closed in 7 days if there is no further activity. If you want the issue to remain open please add a comment