JDK-8042987 : Implement mechanism to select JRE for launching Java Web Start app when 32-bit and 64-bit JRE installed
  • Type: Enhancement
  • Component: deploy
  • Sub-Component: webstart
  • Affected Version: 7u55,8u5
  • Priority: P3
  • Status: Resolved
  • Resolution: Duplicate
  • Submitted: 2014-05-13
  • Updated: 2015-05-28
  • Resolved: 2015-05-28
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tbd_minorResolved
Related Reports
Duplicate :  
JDK-8055448 - Provide a way to specify JRE data model requirements in JNLP file
Description
Starting with Java 7u55 the default behaviour during launch of Java Web Start application is the following:
on Windows 64-bit if both 32-bit and 64-bit JRE are installed, the 32-bit JRE is used to start Java Web Start application.
Please refer to JDK-8029922 for more details.

It is necessary to implement a feature which allows user to override this behaviour, (e.g. add some env variable or JVM/JNLP property to specify which JRE (32-bit or 64-bit) should be used to launch a Java Web Start application).