Microsoft Java Virtual Machine: Difference between revisions

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{{Short description|Discontinued Java virtual machine}}

{{redirect-distinguish|Microsoft Virtual Machine|Microsoft Virtual PC}}

{{about|the discontinued proprietary Java Virtual Machine implementation|the currently maintained OpenJDK build|OpenJDK}}

The '''Microsoft Java Virtual Machine''' ('''MSJVM''') is a [[discontinued software|discontinued]] proprietary [[Java virtual machine]] from [[Microsoft]]. It was first made available for [[Internet Explorer 3]] so that users could run [[Java applet]]s when browsing on the [[World Wide Web]]. It was the fastest [[Microsoft Windows|Windows]]-based implementation of a Java virtual machine for the first two years after its release.<ref name="jworld">John{{cite web |last1=Neffenger |first1=John |date=1998-08-01 [http|df=mdy |url=https://www.javaworldinfoworld.com/javaworldarticle/jw2076748/which-08java-1998/jwvm-08scales-best-volanomark.html |title=Which Java VM scales best?], |work=[[JavaWorld]], August|access-date=2020-07-16 1, 1998 Quote:"|quote=Microsoft SDK 2.02 still stands alone as the only fast and scalable Java virtual machine. Our customers with the highest Web site traffic currently have no other viable choice for a JVM."}}</ref> [[Sun Microsystems]], the creator of Java, sued Microsoft in October 1997 for incompletely implementing the Java 1.1 standard.<ref name="jworld2">[http{{cite web |last1=Zukowski |first1=John |date=1997-10-01 |df=mdy |url=https://www.javaworldinfoworld.com/javaworldarticle/jw2077055/what-10does-1997/jwsun-10s-lawsuit-against-microsoft-mean-for-java-developers-.html |title=What does Sun's lawsuit against Microsoft mean for Java developers? |work=[[JavaWorld]] |access-date=2020-07-16}}</ref> It was also named in the ''[[United States v. Microsoft Corp.]]'' antitrust civil actions, as an implementation of Microsoft's "[[Embrace, extend and extinguish]]" strategy. In 2001, Microsoft settled the lawsuit with Sun and discontinued its Java implementation.

==History==

===Performance===

The Microsoft JVM won the ''[[PC Magazine]]'' Editor's choiceChoice awardsAwards in 1997 and 1998 for best Java support. In 1998 a new release included the [[Java Native Interface]] which supplemented Microsoft's proprietary Raw Native Interface (RNI) and [[J/Direct]]. Microsoft claimed to have the fastest Java implementation for Windows, although IBM also made that claim in 1999 and beat the Microsoft and Sun virtual machines in the ''[[JavaWorld]]'' Volano test.<ref name="jworld" />

===Antitrust trial===

Microsoft's proprietary extensions to Java were used as evidence in the ''[[United States v. Microsoft Corp. (2001)|United States v. Microsoft Corp.]]'' antitrust civil actions.

Microsoft's proprietary extensions to Java were used as evidence in the [[United States v. Microsoft]] antitrust civil actions.

A Memorandum of the United States in Support of Motion for Preliminary Injunction in the case of United States of America vs. Microsoft claimed that Microsoft wanted to kill Java in the marketplace.

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===Sun vs. Microsoft===

In October 1997, [[Sun Microsystems]], the creator of Java, sued Microsoft for incompletely implementing the Java 1.1 standard.<ref name="jworld3jworld2">http: //www.javaworld.com/javaworld/jw-10-1997/jw-10-lawsuit.html</ref>

In October 1997, [[Sun Microsystems]], the creator of Java, sued Microsoft for incompletely implementing the Java 1.1 standard.<ref name="jworld3">http://www.javaworld.com/javaworld/jw-10-1997/jw-10-lawsuit.html</ref>

In January 2001, Sun and Microsoft settled the suit. Microsoft paid Sun $20 million and the two agreed to a plan for Microsoft to phase out products that included the older version of Microsoft Java that allegedly infringed on Sun's Java copyrights and trademarks.

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*Office 2000 Premium Service Release 1

*[[Microsoft BackOffice Server]] 2000

*[[Internet Security and Acceleration Server]] (ISA) 2000

*[[Internet Explorer 5|Internet Explorer 5.5]]

*[[Visual Studio]] 6 Microsoft Developer Edition

*[[Windows 98]] and [[Windows Me]]

The Microsoft Java Virtual Machine was discontinued in 2003 in response to the Sun Microsystems lawsuit. Microsoft continued to offer support until December 31, 2007.<ref name="microsoftkb">{{cite web |url=http://wwwsupport.microsoft.com/mscorpgp/javalifean12 |title=Microsoft Java Virtual Machine |access-date=2014-08-19 |url-status=dead |archive-url=https:/default/web.mspxarchive.org/web/20140831134121/https://support.microsoft.com/gp/lifean12 |archive-date=2014-08-31 }}</ref>

===Windows XP===

{{See also|Windows XP}}

The initial editionrelease of [[Windows XP]] RTMin 2001 did not ship with a Java virtual machine 2001, duebecause toof the settlement with Sun. ThisThe settlement required userspeople thatwho wanted to run [[Java Applets]] in [[Internet Explorer]] to download and install either the standard [[HotSpot (virtual machine)|Sun Java virtual machine]], or locateto download a copy of the Microsoft Java virtual machine elsewhere.

Service Pack 1 (SP1) for Windows XP was released on September 9, 2002. It contained post-RTM security fixes and hot-fixes, compatibility updates, optional [[.NET Framework]] support, and enabled technologies for new devices such as Tablet PCs. It also included the Microsoft Java virtual machine.<ref>{{cite web|archive-date=2010-07-02|archive-url=https://web.archive.org/web/20100702213137/http://www.winsupersite.com/reviews/windowsxp_sp1_preview.asp|url= http://www.winsupersite.com/reviews/windowsxp_sp1_preview.asp |accessdateaccess-date= 2007-09-21 |title= Windows XP Service Pack 1 preview |date= September 9, 2002}}</ref> On February 3, 2003, Microsoft re-released Service Pack 1 (SP1) as Service Pack 1a (SP1a). This release removed Microsoft's [[Java virtual machine]] in compliance with the lawsuit with [[Sun Microsystems]].<ref>{{cite web|url= http://support.microsoft.com/?kbid=813926 |access-date= 2007-09-21 |title= Differences Between Windows XP SP1 and Windows XP SP1a |date= February 3, 2003}}</ref>

On February 3, 2003, Microsoft released Service Pack 1 (SP1) again as Service Pack 1a (SP1a). This release removed Microsoft's [[Java virtual machine]] as a result of the lawsuit with [[Sun Microsystems]].<ref>{{cite web|url= http://support.microsoft.com/?kbid=813926 |accessdate= 2007-09-21 |title= Differences Between Windows XP SP1 and Windows XP SP1a |date= February 3, 2003}}</ref>

==See also==

{{Portal|JavaComputer programming}}

*[[Visual J++]]

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==External links==

*[{{webarchive |url=https://web.archive.org/web/20140108120009/http://www.microsoft.com/en-us/legal/interoperability/java/default.aspx |date=January 8, 2014 |title=Microsoft Java homeVirtual Machine Support page]}}

*[{{webarchive |url=https://web.archive.org/web/*/http://www.microsoft.com/mscorp/java/faq.mspx |date=* |title=Microsoft Java transition FAQ] }}

*[{{webarchive |url=https://web.archive.org/web/20121111054630/http://www.microsoft.com/presspassen-us/news/press/1998/dec98/javavmpr.mspxaspx |date=November 11, 2012 |title=Award-Winning Virtual Machine Continues to Provide Fastest, Most Integrated Java Language Support] }}. Microsoft Press release, Dec. 7, 1998

*Darryl K. Taft - [httphttps://www.eweek.com/cmobile/a/Mobile-and-Wireless/Microsoftmicrosoft-to-Junkjunk-Flagshipflagship-Productsproducts-Citescites-Javajava-Settlement/settlement Microsoft to Junk Flagship Products, Cites Java Settlement]. December 5, 2003. [[eWeek]]

*Joe Wilcox and Stephen Shankland - [httphttps://www.newscnet.com/2100news/microsofts-1001java-270200.htmldecision-a-mixed-bag/ Microsoft's Java decision a mixed bag]. [[cNetCNET]], JulyMarch 18, 20012002

*[http://java-virtual-machine.net/download.html Microsoft Virtual Machine Download Links]

*[http://download.windowsupdate.com/msdownload/update/v3-19990518/cabpool/MSJavWU_8073687b82d41db93f4c2a04af2b34d.exe Download last version of MSJVM]

{{Java Virtual Machine}}

{{Internet Explorer}}

[[Category:Discontinued Java virtual machines]]

[[Category:Discontinued Microsoft software|Java Virtual Machine]]

[[Category:Microsoft litigation]]