Github user bdeggleston commented on the pull request: https://github.com/apache/incubator-tinkerpop/pull/245#issuecomment-191503050 It would also defer any failures for `:plugin list`, yes. `:plugin install` should be ok, assuming it only attempts to load the plugin class being installed. To answer your question about preventing the failures during `:plugin list`: we should be able to catch exceptions, but we couldn't prevent any side effects (file io, etc) that occur during class initialization. That's another problem with deferring, `:plugin list` could end up having a lot of unintended side effects depending on what's on the classpath. So then I guess it boils down to whether you think it's better to auto discover plugins, or better to skip loading unused classes.
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