Which statement describes the propagation behavior of Propagation.REQUIRES_NEW annotation? (Choose the best answer.)

Question

Options

• AStarts a new transaction but throws an exception if an active transaction already exists.
• BJoins a transaction if one already exists; throws an exception if an active transaction does not
• CStarts a new transaction; if an active transaction already exists, it is suspended.
• DRuns in a nested transaction if an active transaction exists; throws an exception if an active

• A
  3% (1)
• B
  3% (1)
• C
  94% (34)

Explanation

Propagation.REQUIRES_NEW always starts a brand new transaction, and if a transaction is already active, it gets suspended (paused) until the new one completes - making C correct.

Why the distractors are wrong:

• A describes Propagation.NEVER (or similar behavior) - REQUIRES_NEW never throws an exception just because an existing transaction is present; it simply suspends it.
• B describes Propagation.MANDATORY, which requires an existing transaction and throws if none exists.
• D describes Propagation.NESTED, which creates a savepoint inside an existing transaction rather than a fully independent one.

Memory tip: Think of REQUIRES_NEW as "I work alone" - it always gets its own transaction, pushing any existing one aside until it's done, with no sharing or exceptions thrown based on existing state.

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