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https://issues.apache.org/jira/browse/CASSANDRA-5611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko resolved CASSANDRA-5611.
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Resolution: Not A Problem
Yeah. It's not Java version. It's presence or absence of JNA.
With JNA (3.5.1) an icon in the dock is always created, both when running ant
test and simply starting Cassandra. Without JNA (3.5.1) nothing happens.
And this seems to have been fixed in JNA 3.5.2 (no more icon in the dock) - I
believe this is the relevant change: 'Remove problematic AWT check via
Class.forName("java.awt.Component")'.
> OS X puts an icon for Cassandra in the dock
> -------------------------------------------
>
> Key: CASSANDRA-5611
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5611
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 1.1.12, 1.2.5, 2.0
> Environment: OS X, JDK 1.7
> Reporter: Aleksey Yeschenko
> Priority: Trivial
>
> "Even when a Java program doesn't display any windows or other visible
> elements, if it accesses the AWT subsystem in some way (e.g., to do image
> processing internally), OS X will still put an icon for the Java program in
> the dock as if it were a GUI-based app. (When the program quits, the dock
> icon goes away as usual.)"
> (more details at
> http://hints.macworld.com/article.php?story=20071208235352641)
> Can't remember when it started happening, but it wasn't always the case for
> Cassandra. Now launching Cassandra puts an icon in the dock, and, worse,
> running ant test puts an icon in the dock for each test, stealing focus, too.
> This is extremely annoying.
> I ninja-d a workaround (-Djava.awt.headless=true) for ant test in
> 99824496aa359fcbe5e71f4e54f2738f09524a87, but we should try and find the real
> source of this (my guess is that some dependency of ours is to blame).
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