squakez commented on PR #8004:
URL: https://github.com/apache/camel-quarkus/pull/8004#issuecomment-3574268131
It could be a problem of initialization:
```
2025-11-25 09:09:40,979 WARN [org.apa.cam.mdc.MDCService] (Camel (camel-1)
thread #1 - timer://java) MDC: failed to store MDC data. This exception is
ignored.: java.util.NoSuchElementException
at java.base/java.util.ArrayDeque.removeFirst(ArrayDeque.java:362)
at java.base/java.util.ArrayDeque.pop(ArrayDeque.java:593)
at
org.slf4j.helpers.ThreadLocalMapOfStacks.popByKey(ThreadLocalMapOfStacks.java:52)
at org.slf4j.helpers.BasicMDCAdapter.popByKey(BasicMDCAdapter.java:159)
at org.slf4j.MDC.popByKey(MDC.java:313)
at org.apache.camel.mdc.MDCService.popAndClear(MDCService.java:189)
at
org.apache.camel.mdc.MDCService.userSelectedHeadersMDC(MDCService.java:202)
at org.apache.camel.mdc.MDCService.setOrUnsetMDC(MDCService.java:114)
at org.apache.camel.mdc.MDCService.unsetMDC(MDCService.java:135)
at
org.apache.camel.mdc.MDCProcessorsInterceptStrategy$1.process(MDCProcessorsInterceptStrategy.java:66)
at
org.apache.camel.support.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:117)
at
org.apache.camel.processor.errorhandler.RedeliveryErrorHandler$SimpleTask.handleFirst(RedeliveryErrorHandler.java:440)
at
org.apache.camel.processor.errorhandler.RedeliveryErrorHandler$SimpleTask.run(RedeliveryErrorHandler.java:416)
at
org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.doRun(DefaultReactiveExecutor.java:199)
at
org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.executeReactiveWork(DefaultReactiveExecutor.java:189)
at
org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.tryExecuteReactiveWork(DefaultReactiveExecutor.java:166)
at
org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.schedule(DefaultReactiveExecutor.java:148)
at
org.apache.camel.impl.engine.DefaultReactiveExecutor.scheduleMain(DefaultReactiveExecutor.java:59)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:162)
at
org.apache.camel.impl.engine.CamelInternalProcessor.processNonTransacted(CamelInternalProcessor.java:370)
at
org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:346)
at
org.apache.camel.component.timer.TimerConsumer.sendTimerExchange(TimerConsumer.java:293)
at
org.apache.camel.component.timer.TimerConsumer$1.doRun(TimerConsumer.java:164)
at
org.apache.camel.component.timer.TimerConsumer$1.run(TimerConsumer.java:136)
at java.base/java.util.TimerThread.mainLoop(Timer.java:566)
at java.base/java.util.TimerThread.run(Timer.java:516)
```
This is not happening in regular runtime. I'm troubleshooting and fix either
here or on the core project.
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