This is a follow-up of this JIRA:
JBDS-2995 JBDS will not start with java 6 - a warning should be displayed during installation

When you get to Step 4 of the installer, where you select your Java VM, it shows a red warning if you select Java 6 and you cannot click Next unless you change to a supported java (7 or 8). That's ok. But if I change the 32/64-bit radio button, the warning will disappear. This is probably because we are dealing with another warning at the same time - VPE is not supported for selected Installation Type.