1 files changed, 68 insertions, 0 deletions
diff --git a/test/kafka/kafka-client-loadtest/tools/JavaProducerTest.java b/test/kafka/kafka-client-loadtest/tools/JavaProducerTest.java
new file mode 100644
index 000000000..e9898d5f0
--- /dev/null
+++ b/test/kafka/kafka-client-loadtest/tools/JavaProducerTest.java
@@ -0,0 +1,68 @@
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.clients.producer.ProducerConfig;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.apache.kafka.clients.producer.RecordMetadata;
+import org.apache.kafka.common.serialization.StringSerializer;
+
+import java.util.Properties;
+import java.util.concurrent.Future;
+
+public class JavaProducerTest {
+    public static void main(String[] args) {
+        String bootstrapServers = args.length > 0 ? args[0] : "localhost:9093";
+        String topicName = args.length > 1 ? args[1] : "test-topic";
+
+        System.out.println("Testing Kafka Producer with broker: " + bootstrapServers);
+        System.out.println("    Topic: " + topicName);
+
+        Properties props = new Properties();
+        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers);
+        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
+        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
+        props.put(ProducerConfig.CLIENT_ID_CONFIG, "java-producer-test");
+        props.put(ProducerConfig.ACKS_CONFIG, "1");
+        props.put(ProducerConfig.RETRIES_CONFIG, 0);
+        props.put(ProducerConfig.MAX_BLOCK_MS_CONFIG, 10000);
+
+        System.out.println("Creating Producer with config:");
+        props.forEach((k, v) -> System.out.println("  " + k + " = " + v));
+
+        try (KafkaProducer<String, String> producer = new KafkaProducer<>(props)) {
+            System.out.println("Producer created successfully");
+
+            // Try to send a test message
+            System.out.println("\n=== Test: Send Message ===");
+            try {
+                ProducerRecord<String, String> record = new ProducerRecord<>(topicName, "key1", "value1");
+                System.out.println("Sending record to topic: " + topicName);
+                Future<RecordMetadata> future = producer.send(record);
+
+                RecordMetadata metadata = future.get(); // This will block and wait for response
+                System.out.println("Message sent successfully!");
+                System.out.println("  Topic: " + metadata.topic());
+                System.out.println("  Partition: " + metadata.partition());
+                System.out.println("  Offset: " + metadata.offset());
+            } catch (Exception e) {
+                System.err.println("Send failed: " + e.getMessage());
+                e.printStackTrace();
+
+                // Print cause chain
+                Throwable cause = e.getCause();
+                int depth = 1;
+                while (cause != null && depth < 5) {
+                    System.err.println(
+                            "  Cause " + depth + ": " + cause.getClass().getName() + ": " + cause.getMessage());
+                    cause = cause.getCause();
+                    depth++;
+                }
+            }
+
+            System.out.println("\nTest completed!");
+
+        } catch (Exception e) {
+            System.err.println("Producer creation or operation failed: " + e.getMessage());
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+}