jodd-joy/src/main/java/jodd/joy/StandaloneJoddJoy.java
private JtxTransaction startRwTx() {
		if (jtxManager == null) {
			return null;
		}
		return jtxManager.requestTransaction(new JtxTransactionMode(JtxPropagationBehavior.PROPAGATION_REQUIRED, false));
	}
private JtxTransaction startRwTx() {
		if (jtxManager == null) {
			return null;
		}
		return jtxManager.requestTransaction(new JtxTransactionMode(JtxPropagationBehavior.PROPAGATION_REQUIRED, false));
	}
Starts new read/write transaction in PROPAGATION_REQUIRED mode.