Transaction rollback set in <doCatch> block does not work if "handled true" is set in the onException block

	<bean class="sample.MyCarProcessor" id="myCarProcessor" />
	<camelContext id="camel" xmlns="http://camel.apache.org/schema/spring">
		<onException id="_onException1">
			<exception>java.lang.Exception</exception>
			<handled>
				<constant>true</constant>
			</handled>
			<log id="_log4" message=">>> onException block. Set handled true" />
		</onException>
		<route id="parent-route">
			<from id="route-timer" uri="timer:foo?repeatCount=1" />
			<transacted id="transactionA" />
			<doTry>
				<process id="_process1" ref="myCarProcessor" />
				<to uri="jpa:io.fabric8.quickstarts.camel.Car?usePersist=true" />
				<throwException
					exceptionType="java.lang.IllegalArgumentException"
					id="_throwException1" message="Forced" />
				<doCatch>
					<exception>java.lang.IllegalArgumentException</exception>
					<handled>
						<constant>false</constant>
					</handled>
					<log id="_log3" message="doCatch block. mark rollback" />
					<rollback id="rollbackA" markRollbackOnly="true" />
				</doCatch>
				<doFinally>
					<log id="_log3" message="done" />
				</doFinally>
			</doTry>
		</route>

	</camelContext>

09:44:29.585 [main] INFO  o.a.camel.spring.SpringCamelContext - Apache Camel 2.23.2.fuse-7_11_1-00015-redhat-00002 (CamelContext: MyCamel) started in 0.206 seconds
09:44:29.596 [main] INFO  i.f.quickstarts.camel.Application - Started Application in 4.523 seconds (JVM running for 4.824)
Hibernate: insert into car (name, id) values (?, ?)
09:44:30.668 [Camel (MyCamel) thread #1 - timer://foo] INFO  parent-route - doCatch block. mark rollback
09:44:30.668 [Camel (MyCamel) thread #1 - timer://foo] INFO  parent-route - done
09:44:30.669 [Camel (MyCamel) thread #1 - timer://foo] WARN  o.a.c.processor.DefaultErrorHandler - Rollback (MessageId: ID-fedora-1703119468416-0-2 on ExchangeId: ID-fedora-1703119468416-0-1) due: Forced
09:44:30.670 [Camel (MyCamel) thread #1 - timer://foo] INFO  parent-route - >>> onException block. Set handled true

sample=# select * from car;
 id |    name    
----+------------
  0 | broken car
(1 row)

CREATE DATABASE sample;
create table car (
  id integer, 
  name varchar(10)
);
create table bicycle (
  id integer, 
  name varchar(10)
);