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[AMQ-9233] Prevent NPE in SubQueueSelectorCacheBroker 

(cherry picked from commit 95e3c2a1aa)
This commit is contained in:
Jean-Baptiste Onofré 2023-06-21 07:38:36 +02:00
parent 9f32f98eff
commit 2383a06b20
1 changed files with 1 additions and 1 deletions
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2
activemq-broker/src/main/java/org/apache/activemq/plugin/SubQueueSelectorCacheBroker.java
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@ -180,7 +180,7 @@ public class SubQueueSelectorCacheBroker extends BrokerFilter implements Runnabl
if (singleSelectorPerDestination) {
String destinationName = info.getDestination().getQualifiedName();
Set<String> selectors = subSelectorCache.get(destinationName);
if (info.getSelector() == null && selectors.size() > 1) {
if (info.getSelector() == null && (selectors != null && selectors.size() > 1)) {
boolean removed = selectors.remove(MATCH_EVERYTHING);
LOG.debug("A non-selector consumer has dropped. Removing the catchall matching pattern 'TRUE'. Successful? " + removed);
}