RomanOttGmx commented on PR #6900:
URL: https://github.com/apache/nifi/pull/6900#issuecomment-1977185841
In IMAP Processor buildUrl will be triggered on creation of new receiver.
```
`protected ImapMailReceiver buildMessageReceiver(ProcessContext
processContext) {
ImapMailReceiver receiver = new
ImapMailReceiver(this.buildUrl(processContext));`
```
And the buildMessageReceiver is requested here in AbstractEmailProcessor
```
private synchronized void initializeIfNecessary(ProcessContext context,
ProcessSession processSession) {
if (this.messageReceiver == null) {
this.processSession = processSession;
this.messageReceiver = this.buildMessageReceiver(context);
```
This is called in onTrigger method of AbstractEmailProcessor, but the
receiver still exists since start up, so buildUrl will never be requested again
after enabling the ConsumeImapProcessor.
```
public void onTrigger(ProcessContext context, ProcessSession processSession)
throws ProcessException {
this.initializeIfNecessary(context, processSession);
```
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