JDK-7024585 : enhance the list of secure jnlp vm-args for plugin and web start
  • Type: Enhancement
  • Component: deploy
  • Sub-Component: webstart
  • Affected Version: 6u23
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2011-03-04
  • Updated: 2020-05-11
  • Resolved: 2015-11-13
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8u241Fixed 9 b96Fixed
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Sub Tasks
JDK-8150099 :  
Customers use Java Web Start for large applications for a while already.
 Support for garbage collection algorithms is restricted to the Serial 
 Collector and the ConcurrentLowPause Collector (CMS).

 There was a limited set of GC options available in the list of supported 
 java-vm-args of the j2se element:

 This list was recently considerably enhanced:

 CR# 6953324 (RFE)
 Please add more options to the list of secure jnlp properties
 Implemented in Java SE 6 Update 23

 Unfortunately, support for prominent garbage collection algorithms
 was not regarded in CR# 6953324.

 This request is to increase the list of supported options again with the 
 following ones:




Crucible review: https://java.se.oracle.com/code/cru/CR-JDK9CLIENT-1516

will add this request with other requests for expansion of secure vm-args and properties in JDK9 as per http://ccc.us.oracle.com/7024585, adding the following secure vm-args: -XstartOnFirstThread -XX:+UseG1GC -XX:+UseStringDeduplication -XX:+PrintStringDeduplicationStatistics -XX:[+,-]UseParallelOldGC -XX:[+,-]UseParallelOldGCCompacting -XX:[+,-]UseParallelGC -XX:[+,-]UseGCTimeLimit -XX:[+,-]UseGCOverheadLimit -XX:[+,-]ScavengeBeforeFullGC -XX:[+,-]UseParallelScavenge and the following secure vm-arg prefixes: -XX:StringDeduplicationAgeThreshold -XX:GCTimeLimit -XX:GCHeapFreeLimit and closing JDK-8078230 and JDK-8129750 as dupes of this bug.