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This virtual machine supports the following custom parameters:
  jdk1.2          - use JDK version 1.2
  jdk1.3          - use JDK version 1.3
  jdk1.5          - use JDK version 1.5
 *jdk1.6          - use JDK version 1.6
  jdk1.7          - use JDK version 1.7

The following environment variable allows you to select the VM version:
  VM_VERSION     = 12 | 13 | 15 | 16 | 17
