As described in the Oracle documentation, this Hotspot option enables or disables the verifier. For compatibility, this option is also supported by the OpenJ9 VM.


Setting Effect Default
-Xverify Enables verification for all non-bootstrap classes. -Xfuture verification is not enabled. yes
-Xverify:all Enables verification for all classes and enables -Xfuture verification.   Note: This setting might have an impact on performance.
-Xverify:remote For compatibility, this parameter is accepted, but is equivalent to the default -Xverify.
-Xverify:none Disables the verifier.   Note: This is not a supported configuration. If you encounter problems with the verifier turned off, remove this option and try to reproduce the problem.