pierDipi commented on code in PR #13325:
URL: https://github.com/apache/kafka/pull/13325#discussion_r1155728488
##########
clients/src/main/java/org/apache/kafka/clients/consumer/KafkaConsumer.java:
##########
@@ -2547,9 +2547,13 @@ private void acquireAndEnsureOpen() {
* @throws ConcurrentModificationException if another thread already has
the lock
*/
private void acquire() {
- long threadId = Thread.currentThread().getId();
+ final Thread thread = Thread.currentThread();
+ final long threadId = thread.getId();
if (threadId != currentThread.get() &&
!currentThread.compareAndSet(NO_CURRENT_THREAD, threadId))
- throw new ConcurrentModificationException("KafkaConsumer is not
safe for multi-threaded access");
+ throw new ConcurrentModificationException("KafkaConsumer is not
safe for multi-threaded access. " +
+ "currentThread(name: " + thread.getName() + ", id: " +
thread.getId() + ")" +
Review Comment:
```suggestion
"currentThread(name: " + thread.getName() + ", id: " +
threadId + ")" +
```
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