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{{Use dmy dates|date=December 2023}}
'''Blackdown Java''' was a [[Linux]] [[porting|port]] of [[Sun Microsystems]]'s [[Java virtual machine]], developed by a group of volunteers led by Juergen Kreileder, Steve Byrne, and Karl Asha, and included a team of volunteers from around the globe.
| title = Java Linux Contact Information
| url = http://www.blackdown.org/java-linux/java-linux-contact.html
| accessdate = 2009-06-15
| archiveurl =
| archivedate
| title = Java-Linux Latest Information
| url = http://www.blackdown.org/java-linux/Information.html
| accessdate = 2012-01-16
| archiveurl =
| archivedate = 1996-10-19
}}</ref> predating Sun's official Linux port.
Blackdown Java supported Linux on [[Instruction set|architectures]] that the official version did not, including [[SPARC]] and [[PowerPC]].<ref>{{cite web
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| url = http://www.blackdown.org/java-linux/java2-status/jdk1.3-status.html
| accessdate = 2009-06-15
| archiveurl =
| archivedate =
| url-status = dead
}}</ref> The Blackdown project ended in August 2007, after Sun released an open source version of the [[HotSpot]] JVM as part of [[OpenJDK]]; OpenJDK is available under the free [[GNU General Public License]].<ref>{{cite web▼
|
▲ }}</ref> The Blackdown project ended in August 2007, after Sun released an open source version of the [[HotSpot (virtual machine)|HotSpot]] JVM as part of [[OpenJDK]]; OpenJDK is available under the free [[GNU General Public License]].<ref>{{cite web
|last = Malinovich
| title = Blackdown Java Retires▼
|first = Alex
| url = http://www.the-love-shack.net/2007/08/30/blackdown-java-retires/▼
|accessdate = 2009-06-15
|archive-url = https://web.archive.org/web/20090107065800/http://www.the-love-shack.net/2007/08/30/blackdown-java-retires/
|archive-date = 7 January 2009
|url-status = dead
|df = dmy-all
}}</ref><ref>{{cite web
| title = Java Linux Homepage
| url = http://www.blackdown.org/
| accessdate = 2009-06-15
| archiveurl =
| archivedate = 2007-09-12
}}</ref><ref>{{ cite web
| url= http://mail.openjdk.java.net/pipermail/announce/2007-May.txt | title = Open JDK is here!
| publisher=Sun Microsystems
| date =
| accessdate=9 May
At its close, Blackdown supported J2SE versions 1.4.2 on i386 and AMD64, 1.4.1 on SPARC, and 1.3.1 on PowerPC.<ref>{{cite web
| title = Java Platform 2 for Linux: Status and Information
| url = http://www.blackdown.org/java-linux/java2-status/index.html
| accessdate = 2009-06-15
| archiveurl =
| archivedate = 9 August 2007
| url-status = dead
}}</ref><ref>{{cite web▼
| df = dmy-all
▲ }}</ref><ref>{{cite web
| title = Java 2 SE 1.4.2-03 Release Notes
| url = http://www.blackdown.org/java-linux/java2-status/README-142-03
| accessdate = 2009-06-15
| archiveurl =
| archivedate = 7 August 2007
| url-status = dead
}}</ref><ref>{{cite web▼
| df = dmy-all
▲ }}</ref><ref>{{cite web
| title = Java Platform 2 Version 1.3.x for Linux
| url = http://www.blackdown.org/java-linux/java2-status/jdk1.3-status.html
| accessdate = 2009-06-15
| archiveurl =
| archivedate =
| url-status = dead
}}</ref> Work on J2SE 1.5.x support for x86, AMD64, SPARC, and PowerPC had been announced, but was never released.<ref>{{cite web▼
| df = dmy-all
▲ }}</ref> Work on J2SE 1.5.x support for x86, AMD64, SPARC, and PowerPC had been announced, but was never released.<ref>{{cite web
| title = Java Platform 2 Version 1.5.x for Linux
| url = http://www.blackdown.org/java-linux/java2-status/j2se1.5-status.html
| accessdate = 2009-06-15
| archiveurl =
| archivedate =
| url-status = dead
}}</ref>▼
| df = dmy-all
▲ }}</ref>
In
| title = PRNewswire: Inprise Collaborates With Sun...on...Java(TM) 2 Platform For...Linux...
| url = http://www.linuxtoday.com/news_story.php3?ltsn=1999-12-07-047-04-PR
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|date = 1999-12-08
}}</ref> Sun publicly apologized to the Blackdown developers.<ref>{{cite news
| last1 = Orenstein | first1 = David
| url = https://www.computerworld.com/home/news.nsf/all/9912083sunlinux
| title = Sun apologizes to developers of Java on Linux
| work = [[Computerworld]]
| archiveurl = https://web.archive.org/web/20001208114600/https://www.computerworld.com/home/news.nsf/all/9912083sunlinux <!-- see also http://transcripts.cnn.com/1999/TECH/computing/12/10/sun.apology.idg/index.html where date and lead paragraph are different -->
| archivedate = 2000-12-08
▲ | date=1999-12-09
}}</ref> The incident revealed that there were long standing problems between Sun and Blackdown.
Despite widespread confusion, Blackdown was neither [[free software]] nor [[open-source software]]; this was due to licensing restrictions from Sun Microsystems. Its binary redistribution policy allowed it to be pre-installed or included with many [[Linux distributions]] (e.g., [[Gentoo Linux]]){{
The Blackdown team pioneered Sun's involvement with external, volunteer efforts.
The Blackdown team received recognition at the JavaOne conference in 1998 for the work that the team had been doing.
==Notes==
{{Reflist}}
{{Java (Sun)}}
[[Category:Discontinued Java virtual machines]]
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