[GitHub] jai1 closed pull request #1712: Fix: NPE when cursor failed to close empty subscription

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jai1 closed pull request #1712: Fix: NPE when cursor failed to close empty subscription
URL: https://github.com/apache/incubator-pulsar/pull/1712
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
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As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java
index e742f148cb..5e6153ba40 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java
@@ -533,7 +533,9 @@ public void closeFailed(ManagedLedgerException exception, Object ctx) {
                     disconnectFuture.complete(null);
                 }).exceptionally(exception -> {
                     IS_FENCED_UPDATER.set(this, FALSE);
-                    dispatcher.reset();
+                    if (dispatcher != null) {
+                        dispatcher.reset();
+                    }
                     log.error("[{}][{}] Error disconnecting consumers from subscription", topicName, subName,
                             exception);
                     disconnectFuture.completeExceptionally(exception);


 

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