[fix][client] Fix LoadManagerReport not found (apache#23886)

(cherry picked from commit 223eea0)
(cherry picked from commit da4db5e)

Author: nodece

pulsar-client-admin-shaded/pom.xml

@@ -348,6 +348,13 @@
                 <relocation>
                   <pattern>org.apache.pulsar.policies</pattern>
                   <shadedPattern>org.apache.pulsar.shade.org.apache.pulsar.policies</shadedPattern>
+                  <!-- exclude references to unshaded classes and interfaces in https://github.com/apache/pulsar/tree/master/pulsar-client-admin-api/src/main/java/org/apache/pulsar/policies/data/loadbalancer -->
+                  <excludes>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.LoadManagerReport</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.NamespaceBundleStats</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.ResourceUsage</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.ServiceLookupData</exclude>
+                  </excludes>
                 </relocation>
                 <relocation>
                   <pattern>org.asynchttpclient</pattern>

pulsar-client-all/pom.xml

@@ -405,6 +405,13 @@
                 <relocation>
                   <pattern>org.apache.pulsar.policies</pattern>
                   <shadedPattern>org.apache.pulsar.shade.org.apache.pulsar.policies</shadedPattern>
+                  <!-- exclude references to unshaded classes and interfaces in https://github.com/apache/pulsar/tree/master/pulsar-client-admin-api/src/main/java/org/apache/pulsar/policies/data/loadbalancer -->
+                  <excludes>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.LoadManagerReport</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.NamespaceBundleStats</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.ResourceUsage</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.ServiceLookupData</exclude>
+                  </excludes>
                 </relocation>
                 <relocation>
                   <pattern>org.asynchttpclient</pattern>

pulsar-client-shaded/pom.xml

@@ -318,6 +318,13 @@
                 <relocation>
                   <pattern>org.apache.pulsar.policies</pattern>
                   <shadedPattern>org.apache.pulsar.shade.org.apache.pulsar.policies</shadedPattern>
+                  <!-- exclude references to unshaded classes and interfaces in https://github.com/apache/pulsar/tree/master/pulsar-client-admin-api/src/main/java/org/apache/pulsar/policies/data/loadbalancer -->
+                  <excludes>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.LoadManagerReport</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.NamespaceBundleStats</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.ResourceUsage</exclude>
+                    <exclude>org.apache.pulsar.policies.data.loadbalancer.ServiceLookupData</exclude>
+                  </excludes>
                 </relocation>
                 <relocation>
                   <pattern>org.asynchttpclient</pattern>

pulsar-common/src/main/java/org/apache/pulsar/common/util/ObjectMapperFactory.java

@@ -32,7 +32,6 @@
 import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
 import java.util.concurrent.atomic.AtomicReference;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.lang3.ClassUtils;
 import org.apache.pulsar.client.admin.internal.data.AuthPoliciesImpl;
 import org.apache.pulsar.common.functions.FunctionConfig;
 import org.apache.pulsar.common.functions.FunctionState;
@@ -260,15 +259,7 @@ private static void setAnnotationsModule(ObjectMapper mapper) {
         mapper.addMixIn(FunctionState.class, JsonIgnorePropertiesMixIn.class);
         mapper.addMixIn(Metrics.class, MetricsMixIn.class);
 
-        try {
-            // We look for LoadManagerReport first, then add deserializer to the module
-            // With shaded client, org.apache.pulsar.policies is relocated to
-            // org.apache.pulsar.shade.org.apache.pulsar.policies
-            ClassUtils.getClass("org.apache.pulsar.policies.data.loadbalancer.LoadManagerReport");
-            module.addDeserializer(LoadManagerReport.class, new LoadReportDeserializer());
-        } catch (ClassNotFoundException e) {
-            log.debug("Add LoadManagerReport deserializer failed because LoadManagerReport.class has been shaded", e);
-        }
+        module.addDeserializer(LoadManagerReport.class, new LoadReportDeserializer());
 
         module.setAbstractTypes(resolver);
 

tests/pulsar-client-admin-shade-test/src/test/java/org/apache/pulsar/tests/integration/SmokeTest.java

@@ -86,6 +86,7 @@ public void checkAdmin() throws PulsarClientException, PulsarAdminException {
         expectedNamespacesList.add("public/default");
         expectedNamespacesList.add("public/functions");
         Assert.assertEquals(admin.namespaces().getNamespaces("public"), expectedNamespacesList);
+        admin.brokerStats().getLoadReport();
     }
 
     @Override

tests/pulsar-client-all-shade-test/src/test/java/org/apache/pulsar/tests/integration/SmokeTest.java

@@ -86,6 +86,7 @@ public void checkAdmin() throws PulsarClientException, PulsarAdminException {
         expectedNamespacesList.add("public/default");
         expectedNamespacesList.add("public/functions");
         Assert.assertEquals(admin.namespaces().getNamespaces("public"), expectedNamespacesList);
+        admin.brokerStats().getLoadReport();
     }
 
     @Override