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Posted to issues@camel.apache.org by "dvine (Jira)" <ji...@apache.org> on 2025/02/25 12:39:00 UTC

[jira] [Created] (CAMEL-21793) Kamelets and excessive load causes ConcurrentModificationException

dvine created CAMEL-21793:
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             Summary: Kamelets and excessive load causes ConcurrentModificationException
                 Key: CAMEL-21793
                 URL: https://issues.apache.org/jira/browse/CAMEL-21793
             Project: Camel
          Issue Type: Bug
          Components: came-core
    Affects Versions: 4.10.0
            Reporter: dvine
         Attachments: camel_error.txt, camel_route.txt

When calling a route that has lots of kamelets we see that ends points fail to be created with the route cause being a concurrent java.util.ConcurrentModificationException when validateUniqueIds is called from addRouteToTemplate.

Caused by: java.util.ConcurrentModificationException
    at java.base/java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013)
    at java.base/java.util.ArrayList$Itr.next(ArrayList.java:967)
    at org.apache.camel.model.RouteDefinitionHelper.validateUniqueIds(RouteDefinitionHelper.java:268)
    at org.apache.camel.impl.DefaultModel.addRouteFromTemplate(DefaultModel.java:536)
    at org.apache.camel.impl.DefaultModel.addRouteFromTemplate(DefaultModel.java:416)
    at org.apache.camel.impl.DefaultCamelContext.addRouteFromTemplate(DefaultCamelContext.java:362)
    at org.apache.camel.component.kamelet.KameletComponent$LifecycleHandler.createRouteForEndpoint(KameletComponent.java:433)

Attached is a log and a repeatable route.  I think the error could be solved with making DefaultModel.routeDefinitions a concurrent list but I cannot build this locally due to network/company setup issues to try.  



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