Replaced Utils.join() with JDK API.

[Suchi Amalapurapu (samalapurapu)]

Problem

Solution

Does this solution apply anywhere else?

• yes
• no

If yes, where?

Test Strategy

Testing done:

• Unit tests
• Integration tests
• System tests
• Manual tests

Release Plan

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[Vikas Balani (vbalani002)]

Thanks Suchi Amalapurapu (@samalapurapu) ! Can we backport this change to the oldest supported feature branch please?

[Saketh (sappusaketh)]

Suchi Amalapurapu (@samalapurapu) or Vikas Balani (@vbalani002) can this be merged? This is blocking us from upgrading to kafka 3.8+