JDK-8130858 : CICompilerCount=1 when tiered is off is not allowed any more
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 9
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2015-07-09
  • Updated: 2015-09-10
  • Resolved: 2015-07-28
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JDK 9
9 b77Fixed
Related Reports
Relates :  
JDK-8122937 - JEP 245: Validate JVM Command-Line Flag Arguments Implementation
Description
java -XX:-TieredCompilation -XX:CICompilerCount=1 -version
intx CICompilerCount=1 is outside the allowed range [ 2 ... 2147483647 ]
Improperly specified VM option 'CICompilerCount=1'
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

CICompilerCount=1 is useful for debugging so output of multiple compiler threads are not intermixed
ILW=LLH
Comments
ILW=jvm can't be start w/ options it used to;CICompilerCount=1 on server jvm w/ tiered;none=ML/MH=>P4
15-07-2015