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Macromedia JRun 4 big box

The Java Servlet Runner, also known as JRun, is a J2EE application server that was created by Live Software and eventually marketed by Adobe Systems, after a series of acquisitions.

Product history[]

JRun was originally developed in 1997 as a Java servlet engine by Live Software and subsequently purchased by Allaire,[1][2] who brought out the first J2EE compliant version. It was acquired by Macromedia prior to its 2001 merger with and takeover of Allaire,[3] and subsequently by Adobe Systems when it bought Macromedia in December 2005.[4] Its latest patch Updater 7 was released by Adobe in 2007. Updater 7 added Sun JDK 1.6 support, Apache 2.2 support, Windows Vista/IIS7 support and Mac OS X 10.4 on Intel support.


Adobe Systems announced that it would discontinue sales and new feature development of JRun on August 3, 2007.[5] Adobe's ColdFusion development team continued to make updates to its underlying Java engine as required up to ColdFusion 9,[6] but replaced JRun in favor of Apache Tomcat since ColdFusion 10.[7]



  1. The Java Servlet Runner, Live Software. Archived 1998-01-29.
  2. Live Software, Inc. has been acquired by Allaire Corporation., Live Software. Archived 1999-10-12.
  3. Macromedia Completes Merger With Allaire, Macromedia. 2001-03-20. Archived 2001-03-30.
  4. Adobe Completes Acquisition of Macromedia, Adobe Systems. 2005-12-05. Archived 2005-12-07.
  5. JRun and ColdFusion® from Adobe FAQ, Adobe Systems. 2017-01-13. Archived 2005-12-07.
  6. Deploying ColdFusion 9 on JRun 4 by Adobe Systems, ColdFusion 9.0 Resources. 2009.
  7. Replacement of JRun with Tomcat, Adobe Systems. 2018-01-18.

See also[]

External links[]

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Discontinued in August 2007
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