wankai123 commented on issue #11311:
URL: https://github.com/apache/skywalking/issues/11311#issuecomment-1711030777
try adding a `ReentrantLock` and `BoolFlag` for example:
```java
@Override
public void notify(ConfigChangeEvent value) {
lock.lock();
try {
if (value.getEventType().equals(EventType.DELETE)) {
settingsString = null;
notify(new Rules());
} else {
settingsString = value.getNewValue();
RulesReader rulesReader = new RulesReader(new
StringReader(value.getNewValue()));
Rules rules = rulesReader.readRules();
notify(rules);
}
notifiedByDynamicConfig.set(true);
} finally {
lock.unlock();
}
}
public void notifyBeyondDynamicConfig(Rules newRules) {
lock.lock();
try {
if (notifiedByDynamicConfig.get()) {
return;
}
notify(newRules);
} finally {
lock.unlock();
}
}
```
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