[fix][broker] Fix NPE after publishing a tombstone to the service uni…

…t channel (apache#22859) (cherry picked from commit 9326a08)
heesung-sn · Jun 26, 2024 · 6eac7e5 · 6eac7e5
1 parent d982d3b
commit 6eac7e5
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Showing 2 changed files with 4 additions and 8 deletions.
diff --git a/.../src/main/java/org/apache/pulsar/broker/loadbalance/extensions/manager/UnloadManager.java b/.../src/main/java/org/apache/pulsar/broker/loadbalance/extensions/manager/UnloadManager.java
@@ -18,6 +18,7 @@
  */
 package org.apache.pulsar.broker.loadbalance.extensions.manager;
 
+import static com.google.common.base.Preconditions.checkArgument;
 import static org.apache.pulsar.broker.loadbalance.extensions.channel.ServiceUnitState.Assigning;
 import static org.apache.pulsar.broker.loadbalance.extensions.channel.ServiceUnitState.Owned;
 import static org.apache.pulsar.broker.loadbalance.extensions.models.UnloadDecision.Label.Failure;
@@ -119,9 +120,8 @@ public void handleEvent(String serviceUnit, ServiceUnitStateData data, Throwable
                 }
             }
             case Init -> {
-                if (data.force()) {
-                    complete(serviceUnit, t);
-                }
+                checkArgument(data == null, "Init state must be associated with null data");
+                complete(serviceUnit, t);
             }
             case Owned -> complete(serviceUnit, t);
             default -> {

diff --git a/.../test/java/org/apache/pulsar/broker/loadbalance/extensions/manager/UnloadManagerTest.java b/.../test/java/org/apache/pulsar/broker/loadbalance/extensions/manager/UnloadManagerTest.java
@@ -127,11 +127,7 @@ public void testSuccess() throws IllegalAccessException, ExecutionException, Int
         assertEquals(inFlightUnloadRequestMap.size(), 1);
 
         // Success with Init state.
-        manager.handleEvent(bundle,
-                new ServiceUnitStateData(ServiceUnitState.Init, null, srcBroker, false, VERSION_ID_INIT), null);
-        assertEquals(inFlightUnloadRequestMap.size(), 1);
-        manager.handleEvent(bundle,
-                new ServiceUnitStateData(ServiceUnitState.Init, null, srcBroker, true, VERSION_ID_INIT), null);
+        manager.handleEvent(bundle, null, null);
         assertEquals(inFlightUnloadRequestMap.size(), 0);
         future.get();
         assertEquals(counter.getBreakdownCounters().get(Success).get(Admin).get(), 1);