apupier opened a new pull request, #28114:
URL: https://github.com/apache/camel/pull/28114

   Two bugs combined to cause intermittent failures when MasterEndpointIT ran 
before MasterQuartzEndpointIT in the same JVM.
   
   1. Both Spring context XMLs started their own ZooKeeperContainer bean, 
completely ignoring the @RegisterExtension ZooKeeperService. That service's 
container was never used. The Spring-owned container also configured 
CuratorFactoryBean with a 3000ms connection timeout, too short under CI load.
   
      Fix: remove the zkContainer/zkConnectString beans from both XMLs, add 
PropertySourcesPlaceholderConfigurer, and read the connection string from the 
${zookeeper.connection.string} system property that 
ZooKeeperLocalContainerInfraService.registerProperties() already sets when the 
@RegisterExtension service starts. Raise the curator connection timeout to 
30000ms.
   
   2. Both context XMLs used the same ZooKeeper election path 
(zookeeper-master:master-000:...). Because @CamelSpringTest caches Spring 
contexts, the first test kept its CamelContext alive while the second test ran. 
The cached context held the master-000 lease, so the second test could never 
win the election within the 30s Awaitility window.
   
      Fix: give each test a distinct group name (master-endpoint-it and 
master-quartz-it) so they never compete for the same ZK path.
   
   Co-authored-by: IBM Bob 2.2.1
   
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