Fixes NullPointerException when using Infinispan Counter Manager

extensions/infinispan-client/deployment/src/test/java/io/quarkus/infinispan/test/OnlyUseCounterManagerTest.java

@@ -0,0 +1,39 @@
+package io.quarkus.infinispan.test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import jakarta.enterprise.inject.Default;
+import jakarta.inject.Inject;
+
+import org.infinispan.client.hotrod.RemoteCacheManager;
+import org.infinispan.counter.api.CounterConfiguration;
+import org.infinispan.counter.api.CounterManager;
+import org.infinispan.counter.api.CounterType;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.quarkus.arc.Arc;
+import io.quarkus.test.QuarkusUnitTest;
+
+public class OnlyUseCounterManagerTest {
+
+    //tag::injection[]
+    @Inject
+    CounterManager defaultCounterManager;
+
+    //end::injection[]
+
+    @RegisterExtension
+    static final QuarkusUnitTest config = new QuarkusUnitTest()
+            .withConfigurationResource("empty-application-infinispan-client.properties");
+
+    @Test
+    public void testContainerHasBeans() {
+        assertThat(Arc.container().instance(RemoteCacheManager.class, Default.Literal.INSTANCE).get()).isNotNull();
+        assertThat(Arc.container().instance(CounterManager.class, Default.Literal.INSTANCE).get()).isNotNull();
+
+        boolean created = defaultCounterManager.defineCounter("one",
+                CounterConfiguration.builder(CounterType.BOUNDED_STRONG).build());
+        assertThat(created).isTrue();
+    }
+}

extensions/infinispan-client/runtime/src/main/java/io/quarkus/infinispan/client/runtime/InfinispanClientProducer.java

@@ -409,7 +409,7 @@ public RemoteCacheManager getNamedRemoteCacheManager(String clientName) {
     }
 
     public CounterManager getNamedCounterManager(String clientName) {
-        RemoteCacheManager cacheManager = remoteCacheManagers.get(clientName);
+        RemoteCacheManager cacheManager = getNamedRemoteCacheManager(clientName);
         return RemoteCounterManagerFactory.asCounterManager(cacheManager);
     }