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Posted to commits@camel.apache.org by "mayurbm (via GitHub)" <gi...@apache.org> on 2026/08/19 08:08:11 UTC
[PR] CAMEL-24403: camel-mail: handle MessageRemovedException in processCommit to avoid null cause in error log [camel]
mayurbm opened a new pull request, #25550:
URL: https://github.com/apache/camel/pull/25550
## Summary
Fixes [CAMEL-24403](https://issues.apache.org/jira/browse/CAMEL-24403).
When an IMAP message is expunged between fetch time and the on-completion commit callback, `IMAPMessage.setFlag()` throws `MessageRemovedException` whose `getMessage()` returns `null`. This produced:
```
Caused by: [javax.mail.MessageRemovedException - null]
```
### Changes
- `MailConsumer.java` - catch `MessageRemovedException` before the generic `MessagingException` handler in `processCommit()`, wrap it with an explicit description so the log always shows a meaningful message:
```
Caused by: [javax.mail.MessagingException - Message already removed/expunged on server (no flag update possible)]
```
- `MailConsumerCommitExpungedMessageTest.java` (new) - 2 unit tests verifying the fix and that other MessagingExceptions pass through unchanged
### Test Results
```
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0
```
### AI Attribution
This contribution was developed with AI assistance using [Claude Code](https://github.com/anthropics/claude-code).
```
Co-authored-by: Claude <cl...@anthropic.com>
```
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Re: [PR] CAMEL-24403: camel-mail: handle MessageRemovedException in processCommit to avoid null cause in error log [camel]
Posted by "mayurbm (via GitHub)" <gi...@apache.org>.
mayurbm closed pull request #25550: CAMEL-24403: camel-mail: handle MessageRemovedException in processCommit to avoid null cause in error log
URL: https://github.com/apache/camel/pull/25550
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Re: [PR] CAMEL-24403: camel-mail: handle MessageRemovedException in processCommit to avoid null cause in error log [camel]
Posted by "mayurbm (via GitHub)" <gi...@apache.org>.
mayurbm commented on PR #25550:
URL: https://github.com/apache/camel/pull/25550#issuecomment-5339441072
## JIRA Issue: CAMEL-24403
**Link:** https://issues.apache.org/jira/browse/CAMEL-24403
**Summary:** camel-mail: MessageRemovedException in processCommit causes null in error log
**Type:** Bug
**Component:** camel-mail
### Problem
When an IMAP message is expunged (deleted by another client or server-side policy) between the time it is fetched by `MailConsumer` and when the on-completion commit callback fires, `IMAPMessage.setFlag()` throws `javax.mail.MessageRemovedException`.
This exception is constructed without a message string so `getMessage()` returns `null`, producing:
```
Error occurred during committing mail message: com.sun.mail.imap.IMAPMessage@542a494d. Exchange[B5882D23412732A-0000000000000013]. Caused by: [javax.mail.MessageRemovedException - null]
```
### Stack Trace
```
javax.mail.MessageRemovedException
at com.sun.mail.imap.IMAPMessage.checkExpunged(IMAPMessage.java:280)
at com.sun.mail.imap.IMAPMessage.setFlags(IMAPMessage.java:1110)
at javax.mail.Message.setFlag(Message.java:596)
at org.apache.camel.component.mail.MailConsumer.processCommit(MailConsumer.java:506)
at org.apache.camel.component.mail.MailConsumer$1.onComplete(MailConsumer.java:237)
at org.apache.camel.support.UnitOfWorkHelper.doneSynchronization(UnitOfWorkHelper.java:104)
at org.apache.camel.support.UnitOfWorkHelper.doneSynchronizations(UnitOfWorkHelper.java:89)
at org.apache.camel.impl.engine.DefaultUnitOfWork.done(DefaultUnitOfWork.java:238)
at org.apache.camel.support.UnitOfWorkHelper.doneUow(UnitOfWorkHelper.java:61)
at org.apache.camel.impl.engine.CamelInternalProcessor$UnitOfWorkProcessorAdvice.after(CamelInternalProcessor.java:770)
at org.apache.camel.impl.engine.CamelInternalProcessor$AsyncAfterTask.done(CamelInternalProcessor.java:263)
at org.apache.camel.AsyncCallback.run(AsyncCallback.java:44)
at org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.schedule(DefaultReactiveExecutor.java:193)
at org.apache.camel.impl.engine.DefaultReactiveExecutor.scheduleMain(DefaultReactiveExecutor.java:64)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:185)
at org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:398)
at org.apache.camel.impl.engine.DefaultAsyncProcessorAwaitManager.process(DefaultAsyncProcessorAwaitManager.java:83)
at org.apache.camel.support.AsyncProcessorSupport.process(AsyncProcessorSupport.java:41)
at org.apache.camel.component.mail.MailConsumer.processExchange(MailConsumer.java:449)
at org.apache.camel.component.mail.MailConsumer.processBatch(MailConsumer.java:258)
at org.apache.camel.component.mail.MailConsumer.poll(MailConsumer.java:165)
at org.apache.camel.support.ScheduledPollConsumer.doRun(ScheduledPollConsumer.java:202)
at org.apache.camel.support.ScheduledPollConsumer.run(ScheduledPollConsumer.java:116)
at org.apache.camel.pollconsumer.quartz.QuartzScheduledPollConsumerJob.execute(QuartzScheduledPollConsumerJob.java:61)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)
```
### Expected Log After Fix
```
Caused by: [javax.mail.MessagingException - Message already removed/expunged on server (no flag update possible)]
```
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