[fix][broker] Invalid regex in PulsarLedgerManager causes zk data notification to be ignored (apache#23977)

TakaHiR07 · fanjianye · srinath-ctds · commit da3fbfa55834 · 2025-09-12T10:24:20.000+05:30
Co-authored-by: fanjianye <fanjianye@bigo.sg> (cherry picked from commit a532798) (cherry picked from commit 3da4c7a)
diff --git a/pulsar-metadata/src/main/java/org/apache/pulsar/metadata/bookkeeper/PulsarLedgerManager.java b/pulsar-metadata/src/main/java/org/apache/pulsar/metadata/bookkeeper/PulsarLedgerManager.java
@@ -292,7 +292,7 @@ public void unregisterLedgerMetadataListener(long ledgerId,
         }
     }
 
-    private static final Pattern ledgerPathRegex = Pattern.compile("/L[0-9]+$");
+    private static final Pattern ledgerPathRegex = Pattern.compile(".*/L[0-9]+$");
 
     private void handleDataNotification(Notification n) {
         if (!n.getPath().startsWith(ledgerRootPath)

Original file line number	Diff line number	Diff line change
`@@ -292,7 +292,7 @@ public void unregisterLedgerMetadataListener(long ledgerId,`
`292`	`292`	`}`
`293`	`293`	`}`
`294`	`294`
`295`		`- private static final Pattern ledgerPathRegex = Pattern.compile("/L[0-9]+$");`
	`295`	`+ private static final Pattern ledgerPathRegex = Pattern.compile(".*/L[0-9]+$");`
`296`	`296`
`297`	`297`	`private void handleDataNotification(Notification n) {`
`298`	`298`	`if (!n.getPath().startsWith(ledgerRootPath)`