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JRuby fails to display Java splash at startup on OS X #2386

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donv opened this issue Dec 30, 2014 · 5 comments
Closed

JRuby fails to display Java splash at startup on OS X #2386

donv opened this issue Dec 30, 2014 · 5 comments
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@donv
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JRuby 1.7.19

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@donv
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donv commented Dec 30, 2014

Get the JRuby logo using

curl http://jruby.org/images/jruby-logo.png > jruby-logo.png

The following Java program Main.java:

public class Main {
    public static void main(String[] args) {
        try {
        Thread.sleep(3000);
        } catch (InterruptedException ie) {
        System.out.println("Interrupted!");
        }
        System.out.println("Hello World");
    }
}

compiled with

javac Main.java

and started with the following line

java -splash:jruby-logo.png Main

displays the JRuby logo as a splash. This works on Java 6, Java 7, and Java 8.

However the corresponding Ruby command line

ruby -rjava -J-splash:jruby-logo.png -J-XstartOnFirstThread -e "sleep 3;puts 'Hello world'"

does not display the splash using Java 7 or Java 8 on OS X. It does work using Java 6.

I would expect this to work using Java 7 and Java 8 as well.
@donv
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donv commented Dec 30, 2014

Reporting bugs is always a good way to find answers yourself 😄

More information. This also fails to display the splash:

java -splash:jruby-logo.png -XstartOnFirstThread Main

and this also works with all versions of Java:

jruby -rjava -J-splash:jruby-logo.png -e "sleep 3;puts 'Hello world'"

So Java cannot display the splash when the -XstartOnFirstThread option is given.

The -XstartOnFirstThread is necessary to get Eclipse SWT to work correctly.

@donv
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donv commented Dec 30, 2014

I have reported this here:

http://bugs.java.com/view_bug.do?bug_id=JI-9017890

Since it is not directly related to JRuby, I'll close the issue.

@donv donv closed this as completed Dec 30, 2014
@donv donv added this to the JRuby 1.7.19 milestone Dec 30, 2014
@donv donv self-assigned this Dec 30, 2014
@chrisseaton
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The bug URL leads to 'this bug is not available for me'. Is it the right one?

@donv
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donv commented Jan 3, 2015

This is my first time filing an issue with OpenJDK, so I am not familiar with the process.

My guess is that there is a human step to make the issue visible in the system. I cannot see it myself either.

@donv
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donv commented Jan 3, 2015

This is the response I got:

We are evaluating this report and have stored this with an Review ID: JI-9017890. In the event this report is determined as a defect or enhancement request, it will be referenced with a new Bug ID and will be listed on Bugs.java.com. For other related issues, please visit our Bug Database at http://bugs.java.com.

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