Dennis Li

Closing this PR in favor of #14536.

Closing this PR in favor of #14536.

Update: instead of always enabling credential propagation (which is brittle and would not work for non-credential-propagating architectures), we go ahead and assign an external placeholder credential instead of an internal...

This depends on a netty version bump which depends on the removal of spark2 which is done in https://github.com/cdapio/cdap/pull/14797.

This work depends on bumping the netty version since the PooledByteBufAllocator constructor used by this version of spark3 does not exist; unfortunately, bumping the netty version causes other compatibility issues...

This depends on a netty version bump which depends on the removal of spark2 which is done in https://github.com/cdapio/cdap/pull/14797. However, it might not be possible to cherry-pick this due to...

I'll need to separately investigate this and see if it's being used somewhere. Not sure how this could be related at the moment.